Used 2007 Mercedes-Benz S-Class Sedan


$11,420 - $19,998
2007 Mercedes-Benz S-Class

2007 Highlights

The Mercedes-Benz S-Class has been fully redesigned for 2007. For this revamp of the flagship luxury sedan, Mercedes focused on improving performance and handling as well as expanding the luxury envelope with new technology-oriented features such as Distronic Plus cruise control and the Night View Assist infrared night-vision system.


Pros

  • State-of-the-art luxury features, sport sedan performance and handling, optional all-wheel drive, prestige that comes with S-Class ownership.

Cons

  • Expensive options, turn signal stalks are awkward to use.

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Used 2007 Mercedes-Benz S-Class Sedan for Sale

Mercedes-Benz S-Class 2007 S550 4MATIC 4dr Sedan AWD (5.5L 8cyl 7A) Flint Grey Black leather115,485 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$13,290
Est.Loan: $272/mo
AUTO WISE(1)
4.8 mi away
Fair Deal!
Fair Deal!
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Dealer Notes

S550 4Matic, Loaded w/ Navigation, Park Sensors, Rear Shades, Rear Climate Control, Front & Rear Cooled & Heated Seats, Push Button Start/Stop, Harmon Kardon Sound, VA Inspected, Financing Available - Call Now 703-665-2124 Some of the cars are at a satellite storage place. PLEASE CALL BEFORE COMING - in order to have the car ready for you. Call or text 703-665-2124 for more info or set up an appointment

Mercedes-Benz S-Class 2007 S550 4MATIC 4dr Sedan AWD (5.5L 8cyl 7A) Iridium Silver Metallic Black leather114,865 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$12,887
Est.Loan: $263/mo
Good Deal!
Good Deal!
Mercedes-Benz S-Class 2007 S550 4MATIC 4dr Sedan AWD (5.5L 8cyl 7A) Black 111,414 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$13,994
Est.Loan: $286/mo
Fair Deal!
Fair Deal!
Iridium Silver Metallic Black leather54,790 miles
Used 2007Mercedes-Benz S-ClassS550
List:$18,900
Est.Loan: $344/mo
Auto Bank II
15.4 mi away
Fair Deal!
Fair Deal!
$300 Below Market
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Dealer Notes

EXCELLENT CONDITION! Sport Package 54K Orig Miles Clean Carfax Amazingly Well Kept A MUST SEE! Factory Navigation Factory Back-Up Camera Panorama Sunroof Woodgrain Steering Harmon Kardon Sound System Aux Input Bluetooth Satellite Radio  Heated and Cooled Seats Books and Extra Keys! A MUST SEE! This Mercedes has been serviced and Garaged! Non-Smoker! PRISTINE CONDITION! Easy financing with rates as low as 2.99% on this Mercedes. Second chance credit and TAX IDS are welcome! NEW! NEW! NEW!                                                                2007 Mercedes S550 Sport 4DR Sedan....auto 54k Orig miles Panorama Sunroof Factory Navigation Factory Back-Up Camera Heated and Cooled Seats Leather Seats Power Seats Power Tilt Harmon Kardon Sound System Aux Input Bluettoth Mercedes Phone Keyless Entry Alarm Tow Hitch Xenon Lights....fully loaded! This Mercedes is in PRISTINE condition! The vehicle looks and drives like NEW! No ifs and buts! This S-Class comes with 3months/5000 miles Powertrain warranty and we offer extended warranties at very reasonable prices. we offer low interest rate financing. Second chance credit and TAX IDS are welcome. For more info please call 703-351-9400 ask for Carlos or Moe or Bryan Visit Auto Bank II online at autobank2.com to see more pictures of this vehicle or call us at 703-351-9400 today to schedule your test drive.Auto Bank offers quality luxury vehicles at very reasonable prices. We have interest rates as low as 2.99% on 2002 vehicles and newer on approved credit. All of our vehicles come with 3months/3000 miles warranty. Auto Bank offers extended warranties at very reasonable prices. Open on Sundays from 1100 am -500 pm.

Black Black leather102,440 miles
Used 2007Mercedes-Benz S-ClassS550
List:$14,488
Est.Loan: $296/mo
AP Fairfax(2)
16.2 mi away
Fair Deal!
Fair Deal!
$300 Below Market
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Dealer Notes

Local Trade! Beautiful '07 S550 4MATIC that comes well-equipped with Navigation, Premium Package, Rear View Camera, Front Heated, Ventilated Seats, Multi-Contour Seats,Multi-Function Wood and Leather Steering Wheel, Premium Harmon Kardon sound and much more. This vehicle is a local trade in and excellent shape and well maintained by the previous owner. At AP Fairfax we are committed to providing you with an experience that Redefines Car-buying by working with non-commissioned sales staff and completing your purchase in 1 hour or less when your Financing is already arranged. We are so confident in our vehicles that we offer a 48 HOUR, NO QUESTIONS ASKED RETURN POLICY. Come and experience the AP Fairfax difference!!!

Flint Grey Grey/Dark Grey premium leather76,069 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$21,500
Est.Loan: $392/mo
King Volkswagen(7)
16.8 mi away
Iridium Silver Metallic 94,783 miles
Used 2007Mercedes-Benz S-ClassS550
List:$15,995
Est.Loan: $291/mo
Fair Deal!
Fair Deal!
$300 Below Market
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Dealer Notes

***AMG SPORT PACKAGE, FRESHLY REBUILT TRANSMISSION........................2007 MERCEDES S550 PREMIUM LUXURY SEDAN, IRIDIUM SILVER WITH A BLACK LEATHER INTERIOR, WOOD STEERING WHEEL AND TRIM, NAVIGATION, DUAL HEATED/COOLED POWER SEATS WITH LUMBAR SUPPORT AND EMMORY SETTINGS, POWER SUNROOF, HARMON KARDON SOUND SYSTEM, PARKTRONIC, DUAL EXHAUST, 19 INCH STAGGERED AMG ALLOY WHEELS, CLEAN CARFAX WITH 19 SERVICE RECORDS, A VERY SHARP S CLASS THATS VERY AFFORDABLE***MUST PRINT AND PRESENT INTERNET AD FOR SPECIAL INTERNET PRICING BEFORE YOUR SCHEDULED APPOINTMENT. PLEASE CALL MAXIMUM AUTO OUTLET AT 703.822.7998. GUARANTEED CREDIT APPROVALS FOR EVERYONE. FINANCE RATES AS LOW AS 2.99 APR. WE ARE LOCATED AT 8503-O EUCLID AVE, MANASSAS PARK, VA 20111. OPEN 7 DAYS A WEEK.PRICE EXCLUDES TAXES, TITLE, LICENSE, $595 DEALER PROCESSING FEE, & FINANCE CHARGES. SOLD AS-IS, SEE BUYERS GUIDE FOR WARRANTY OPTIONS.

Iridium Silver Metallic Black leather0
Used 2007Mercedes-Benz S-ClassS550
List:$12,995
Est.Loan: $266/mo
Carplex
18.9 mi away
Pewter Metallic Black leather108,170 miles
Used 2007Mercedes-Benz S-ClassS550
List:$14,000
Est.Loan: $286/mo
Fair Deal!
Fair Deal!
85,463 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$15,977
Est.Loan: $291/mo
Black Black leather127,656 miles
Used 2007Mercedes-Benz S-ClassS550
List:$12,207
Est.Loan: $249/mo
Good Deal!
Good Deal!
$300 Below Market
Black Black leather120,099 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$11,420
Est.Loan: $233/mo
Great Deal!
Great Deal!
$300 Below Market
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Dealer Notes

***WE FINANCE**VERY CLEAN AND BEEN MAINTAINED OVER YEARS**NAVIGATION SYSTEM**XENON HEADLIGHTS**HEATED SEATS**ALL POWER OPTIONS** Visit BEST DEALS ON WHEELSINC. online at bestdealsonwheel.com to see more pictures of this vehicle or call us at 540-368-1100 today to schedule your test drive.

Flint Grey Grey/Dark Grey premium leather58,243 miles
Used 2007Mercedes-Benz S-ClassS550
List:$19,998
Est.Loan: $364/mo
MaxKar Motors(5)
51.8 mi away
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Dealer Notes

POWERFUL AND COMFORTABLE, THIS 2007 MERCEDES S550 IS READY TO HIT THE ROADS IN STYLE AND COMFORT WITH ITS 5.5L DOHC SFI 32-VALVE V8 ENGINE!!!!!!!!!!!!! **LEATHER SEATS**INTERIOR WOOD TRIM**SPECIFIC AMG WHEELS**PREMIUM HARMAN/KARDON AUDIO SYSTEM**BLUETOOTH CONNECTIVITY**NAVIGATION SYSTEM**CRUISE CONTROL**INSTRUMENT CLUSTER SCREEN**MULTI ZONE CLIMATE CONTROL**STEERING WHEEL PHONE CONTROL**TELEPHONE KEY PAD**TOGGLE SWITCH/MEDIA/RADIO/TELEPHONE/NAV**MEMORY SEATS**HEATED/COOLED SEATS**RAIN SENSOR**PANORAMIC SUNROOF**HID PROJECTOR HEADLIGHTS**EXTERIOR HEADLIGHT WASHERS**FOG LIGHTS**EXTERIOR PARKING SENSOR**REAR VANITY MIRROR**REAR POWER SUNSHADE**AIR SUSPENSION HEIGHT ADJUSTMENT**POWERFUL 5.5L DOHC SFI 32-VALVE V8 ENGINE**AM/FM/CD/AUX/NAV SYS** The electronic components on this vehicle are in working order. There are no defects present on this vehicle. There is not a door ding present on this vehicle. There is a properly functioning engine in this vehicle. This vehicle has a clean exterior. The interior was well maintained. The mileage is accurate. There is no trouble shifting this transmission. It is priced to sell quickly, CALL NOW. We have custom financing plans for most budgets. Stop by today or schedule an appointment with one of our qualified sales associates. Also, our entire inventory selection is available online at: www.maxkarmotors.com. PLEASE PRESENT THIS AD TO HONOR SPECIAL PRICING. Here At Maxkar Motors We Emphasize On Providing All Customers With Quality Customer Service, As Well As Quality Vehicles At Unbeatable Prices. We Have Over 30 Banks And Lenders Working By Our Side. Let Our Dedicated And Professional Sales Associates Help You On Your Next Purchase. TAKE 5 minutes and submit an online credit application for a guaranteed approval!!!!!When others say no we say Yes!!!!!!!!!!!!!!! Are you ready to Save money on the purchase of your next CAR? If you are call us at 540-370-8888 Today. All WAL-MART AND COSTCO CUSTOMERS WELCOME!!!!!!

Iridium Silver Metallic Grey/Dark Grey leather92,828 miles
Used 2007Mercedes-Benz S-ClassS550
List:$16,990
Est.Loan: $310/mo
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Dealer Notes

After business hours please contact Tamim at (540) 287-5112Brand new to our lot we have a BEAUTIFUL 2007 Mercedes Benz S550! This S550 is silver, sitting on alloy wheels, and is matched inside with a plush gray leather interior. Powered by a hardy 5.5L V8 motor, paired with a SMOOTH shifting automatic transmission, and is equipped with a GREAT traction control system to ensure the correct wheels stay spinning! LOADED with tons of amazing features like the power windows, power locks, power mirrors, power seats, HEATED seats, DUAL climate controls, built in massagers in the seats, back up camera AND sensors, and that's just to list a few! Premium Harman/Kardon surround sound speaker system with AM/FM radio, CD player, CD changer, MP3 playback capable, and even has built in navigation, ready for turn by turn directions at the push of a button! With so many awesome features, and so much more to see, you DO NOT want to miss out on this AMAZING deal! So hurry and call, or stop by TODAY to schedule your test drive before you miss your chance to own this LUXURIOUS, 2007 Mercedes Benz S550!

Andorite Grey Metallic Grey/Dark Grey premium leather104,104 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$16,995
Est.Loan: $310/mo
Euro Auto Group(5)
52.7 mi away
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Dealer Notes

Maryland Inspected & Fully serviced up to date...

Capri Blue Metallic designo Armagnac Brown50,368 miles
Used 2007Mercedes-Benz S-ClassS550
List:$18,970
Est.Loan: $346/mo
Fair Deal!
Fair Deal!
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Dealer Notes

PREMIUM PKG 1,PARKTRONIC,Sun/Moonroof,Leather Seats,Navigation System,Bluetooth Connection,METALLIC PAINT This vehicle includes a Money-Back Guarantee* and passed our precise inspection process. Best of all the price you see is the price you pay. No haggling. No back and forth. No pressure. And this price is so good it is guaranteed. Mercedes-Benz of Hunt Valley is excited to offer this 2007 Mercedes-Benz S-Class. Drive home in your new pre-owned vehicle with the knowledge you're fully backed by the CARFAX Buyback Guarantee. Pull up in the vehicle and the valet will want to parked on the front row. This Mercedes-Benz S-Class is the vehicle others dream to own. Don't miss your chance to make it your new ride. It's not often you find just the vehicle you are looking for AND with low mileage. This is your chance to take home a gently used and barely driven Mercedes-Benz S-Class. Marked by excellent quality and features with unmistakable refined leather interior that added value and class to the Mercedes-Benz S-Class This Mercedes-Benz S-Class is equipped with navigation, so you no longer have to wonder if you're headed in the right direction. More information about the 2007 Mercedes-Benz S-Class: The Mercedes-Benz S-Class has always been where traditional luxury and cutting-edge technology meet, and the 2007 offerings are no exception. With significantly more power and sportier equipment than in 2006, however, the S-Class is now in a new, high-performance realm. Furthermore, the latest S-Class builds on its reputation for safety with an abundance of active and passive safety features. Even though the new S550 has added standard equipment and about 20 percent more power than the comparable outgoing model, the 2006 S500, Mercedes-Benz is pricing the new S550 below that model. Strengths of this model include exceptional ride quality and comfort, High performance and safety, and cutting-edge technology. *Money-Back Guarantee is valid for 5 days or 250 miles, whichever comes first. Subject to certain terms and conditions. See store for details. Some restrictions apply.

Black 57,165 miles
Used 2007Mercedes-Benz S-ClassS550
List:$16,995
Est.Loan: $310/mo
View details
Dealer Notes

***VERY LOW MILEAGE........................2007 MERCEDES S550 PREMIUM LUXURY SEDAN, BLACK WITH A CASHMERE BEIGE LEATHER INTERIOR, WOOD STEERING WHEEL AND TRIM, NAVIGATION, REAR BACK UP CAMERA, HARMON KARDON SOUND SYSTEM, POWER SUNROOF, DUAL HEATED/COOLED POWER SEATS WITH LUMBAR SETTINGS, PARKTRONIC, ONLY 57K MILES, A VERY ELEGANT S-CLASS***MUST PRINT AND PRESENT INTERNET AD FOR SPECIAL INTERNET PRICING BEFORE YOUR SCHEDULED APPOINTMENT. PLEASE CALL MAXIMUM AUTO OUTLET AT 703.822.7998. GUARANTEED CREDIT APPROVALS FOR EVERYONE. FINANCE RATES AS LOW AS 2.99 APR. WE ARE LOCATED AT 8503-O EUCLID AVE, MANASSAS PARK, VA 20111. OPEN 7 DAYS A WEEK.PRICE EXCLUDES TAXES, TITLE, LICENSE, $595 DEALER PROCESSING FEE, & FINANCE CHARGES. ALL VEHICLES SOLD AS-IS, SEE BUYERS GUIDE FOR WARRANTY OPTIONS.

Alabaster White designo Armagnac Brown98,345 miles
Used 2007Mercedes-Benz S-ClassS550 4MATIC
List:$19,995
Est.Loan: $364/mo
Euro Auto Group(5)
52.7 mi away
View details
Dealer Notes

SPORT PKG WITH ALL OPTIONS AND PANORAMIC ROOF WITH ALL SERVICES DONE MD ST INSPECTED

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Features & Specs

S550 4dr Sedan (5.5L 8cyl 7A)S550 4MATIC 4dr Sedan AWD (5.5L 8cyl 7A)S600 4dr Sedan (5.5L 12cyl Turbo 5A)S65 AMG 4dr Sedan (6.0L 12cyl Turbo 5A)
MPG17161314
Seating5555
Transmission7-speed shiftable automatic7-speed shiftable automatic5-speed shiftable automatic5-speed shiftable automatic
Fuelgasgasgasgas
Horsepower382 hp @ 6000 rpm382 hp @ 6000 rpm510 hp @ 5750 rpm604 hp @ 4800 rpm

Top Consumer Reviews

Read what other owners think about the 2007 Mercedes-Benz S-Class

(63)

Consumer Rating


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My 3rd S-Class, with Lexus as Backup Car
I have owned three generations of the Mercedes S-Class and like the ads say, this car is like no other. I've driven its smaller Mercedes siblings as loaner cars, but would never consider buying them. There is no comparison. This is the epitome of a flagship sedan for the entire industry. The 'W221' chassis design with the prominent fender arches, in my opinion, is a work of art and the most masculine design Mercedes has ever put on the road. The power surges smooth as it takes you from 0-60 MPH in 5 seconds - that is Porsche territory, but this is a car with four doors! Technology was leading edge at the time it came out, but the navigation system has become outdated compared to today's smartphone apps. The speedometer is a computer generated image and can be swapped for other information. I appreciate the nice features such as ambient lighting along the dash and doors, massaging seats, and automatic door closers. Only minor complaint is that the Harman Kardon stereo sound in the S-Class is not as good as the Mark Levinson in a Lexus and radio reception is not great for a car this expensive. The car is deceptively large so you will need parking sensors and a rear camera to aid with maneuvering shopping mall lots. All that aside, when you own a $100K vehicle, the maintenance doesn't come cheap. The brakes will wear every 10-15K miles and set you back about $400-600 for front or rear sets. The A service oil changes at $150-$250 are every 10K miles, but I did mine every 5K-7K miles. B Service oil changes are more involved and expensive, but you can save some money by changing the cabin filter yourself. Transmission changes must be done every 40K miles at about $600-800 per service. Coolant and brake fluid services are reasonable at about $150 per event. The suspension will wear and begin squeaking or making noises like a bad mattress as it get close to 100K miles. The airmatic suspension will fail at some point and cost you $1000-$1500 per suspension to replace, depending on whether you go OEM or aftermarket. During the times I experienced these issues, I had a very dependable Lexus sedan as a backup. Make sure you have about $2000 a year budgeted for repair and maintenance. For the most part, my S550 ran well until I was told that the car had a blown head gasket and became a prime candidate for a trade in. That was a major disappointment for me considering I had maintained my vehicle like clockwork. Also, the 2007-2008 model S-Classes were also prone to problems with an engine balance shaft issue and many other engine or transmission glitches. In spite of the last engine failure, I feel I got lucky with a fairly trouble free ownership experience. If you are looking for a W221 S-Class, save yourself the hassle and purchase a model year 2009 onward. At this point, I am waiting to buy the new 2014-2015 W222 chassis body style as a certified pre-owned after there is enough reliability information available.
transmission problem
i been around mercedes since 1968 starts with 190D, 300SDL, S420, S500 which is fair and now this S550 is worst in all 22,000 miles the transmission is slipping on me compared to my 2000 S500 besides a rough ride it gave me 99,000 miles before the strut broke, Mercedes should recall this problem i had to restart the ignition to get the transmission going
Best Car I have ever owned!
Well I must say Mercedes finally came out with an S class I love. I felt the old one was very nice, but rather boxy and plain. I purchased the AMG model and it's a stunning looker! They made great lines on this vehicle. I get looks and compliments everywhere I go, and it's truly the most comfortable car i have owned. They really designed the car well. I just wish they would get away from i-drive like the BMW 7 series which I lemon lawed before I bought the Mercedes. It's just an unecessary feature and they need to go back to conventional controls.
More About This Model

Having jumped into thousands of new cars over the course of nearly three decades, it isn't often that you're hit with a car so unfamiliar that it takes you a full minute to figure out how to just pull out of a parking spot. Encountering the 2007 Mercedes-Benz S550 for the first time requires a recalibration of the "been-there, done-that" attitude and an appreciation of the fact that some people are still thinking hard and long about the nature of the automobile and where it's going.

To begin with, the new 2007 Mercedes S550 is without a conventional shifter. Selecting "Park," "Drive" and "Reverse" on the seven-speed transmission — that's right, seven — is the work of a tiny stalk to the right of the mighty steering wheel. The parking brake function has also been reassigned to a smallish paddle to the left of the wheel. No more ratchety E-brake noise on engagement. Instead, a solenoid somewhere opens a circuit and the parking brake is applied by silent electronic gremlins.

In the center of the console where you expect to find the shifter, you see instead a machined aluminum knob that acts as one of the four interfaces to what Mercedes calls its COMAND system, short for "Cockpit Management and Data System." The push-and-turn knob is actually a computer mouse that activates menus that appear on the 8-inch thin-film transistor color display screen in the center of the dash. The mouse/knob navigates you through the screen menus to control the audio system (AM/FM, weatherband, optional satellite radio, CD, MP3 or DVD audio, PCMCIA memory card slot and iPod docking), some seat functions like dialing up the aggressiveness of the seat massage feature, the navigation system, the telephone and address book, and a number of vehicle functions like the security system. Sitting above the mouse is an ellipsoid pod that opens up clamshell fashion to reveal the phone keypad.

Thankfully, the future comes equipped with backup systems, workarounds and alternatives. The mouse is only one of four ways of accessing frequently used features. There are a) conventional buttons that will activate functions directly, b) switches on the steering wheel and c) the voice control system if you get lost in the Matrix and start screaming for your controller to get you back to the real world. And no one would blame you for screaming. Learning to navigate all the systems is a little like getting lost in a house of mirrors. You find what looks like a way out and keep running into yourself coming the other way.

No thanks, I'll ride in the back
While the driver and front passenger can have fun pushing buttons, the rear occupants live in a limousinelike cocoon of comfort. They have their own fixed-glass moonroof, power-operated sunshades for the side windows and rear glass, climate controls, flip-down center console, power seats and enough head-, leg- and elbow room to qualify for a separate ZIP code.

No joke, you can put on a motocross back there. Or at the very least a Security Council meeting. And, of course, it's all done up in leather, highly polished wood and triple-chrome control buttons.

More electromarvels
Maybe the two coolest electrogizmos on the S550 are the Distronic Plus adaptive cruise control system and the Night View Assist system. The easiest way to describe the Distronic Plus is to call it a cruise control with a tractor beam function. Once engaged at your chosen speed, a couple of radar beams scan the road ahead. If you're closing in too quickly to the car in front of you, the Distronic system will decelerate, and brake if necessary, to keep you at a safe distance. If you're approaching at a dangerous speed, you'll also get an audible signal to wise up and check your environment. If the car ahead accelerates, Distronic will also accelerate to match the car's speed right up to your preset limit. Granted this is a great safety feature but it also provides loads of entertainment on freeways and city streets. You find yourself playing chicken with the digital domain.

The other very cool feature is the Night View Assist. Unlike most automotive night vision systems that amplify ambient light levels, this system throws out its own infrared light beam. Two beams actually, one from each headlight assembly. The result is captured by an infrared camera mounted in the windshield and displayed on the instrument panel. The black-and-white video image of what's ahead replaces the digital speedo in the IP. There's something mesmerizing about that image. It's like being part of your own police chase or watching an Italian neo-realist film.

Enter the bomber
We were so impressed with the level of tech in the S550 we decided to solicit comments from someone who deals with some of the most advanced hardware on the planet on a daily basis. Our candidate was Craig Bomben, call sign "Bomber." He's a test pilot at NASA's Dryden Flight Research Center at Edwards Air Force Base. Bomben flew combat missions in a Hornet during the first Gulf War and for him, dealing with electrowizardry holds more than a passing intellectual interest. He's out there at the radical fringe of technology separating wheat from what can get you shot down in combat.

The first thing that impressed Bomben was the S550's buttery-smooth power delivery and the massive torque. This is M-B's first use of its new-generation V8 engine family that features four valves per cylinder, variable valve timing and a lightweight crankshaft assembly. This engine and transmission combination sets a new benchmark for smoothness and rapid-onset power delivery. Conventional metaphors like "turbine" or "gyroscopic" smoothness just aren't up to the job of describing this engine adequately. Maybe greased pigs on a waterslide or Vaselined eels wrestling in liquid Teflon.

In testing, the 5.5-liter V8 with 382 horsepower and 391 pound-feet of torque propelled the 4,270-pound S550 to 60 mph in 6.1 seconds. The quarter-mile flew by in 14.2 seconds with a trap speed of 101 mph. The quickest runs were accomplished by letting the engine and seven-speed transmission do all the work. Manually shifting by means of the steering-wheel-mounted shift buttons actually produced slower times, an indication that the shift algorithms have been massaged as much for speed as smoothness. In real-world driving on flat terrain, the engine is barely ticking over at 2,000 rpm at 80 mph, thanks to a combination of the 0.73-to-1 top gear and 2.65-to-1 final drive ratio.

It's like a G-suit
The S550's 14-way adjustable, leather-trimmed front seats take 2nd place to no one. Not only do they have a nearly infinite combination of adjustments, they also have a heating and cooling feature and what M-B calls a drive dynamic feature plus a massage function. You can choose one of four massage levels from fast aggressive to slow and gentle. Some drivers loved the massage. Others thought it was like accidentally sitting on a live raccoon. The bottom and side bolsters can also be inflated to fit your level of comfort while the active lumbar feature fully inflates and deflates a lumbar bladder twice per minute to give the spine a subtle adjustment.

What knocked Bomben out was the dynamic seat feature that automatically inflates the outside back bolster under G-loading. You can dial up the level of bolster response under cornering from a vertical scale on the digital display by using the mouse. Take the S550 hard into a corner and the bolster cradles up against your back like a comforting hand. As you unwind, the bolster slowly deflates until the next corner. I asked Bomben how the seat compares to the chair in the Hornet and he said, "It doesn't have any adjustment. You get what you get. This seat, fantastic. It's like a G-suit."

As night fell, Bomben activated the Night View Assist and after a few minutes decided that he could learn to drive the S550 without looking out the windshield. "The clarity is terrific. It's better than the NVDs [night vision devices] we use because you don't get big heat blooms on this. Oncoming headlights don't blow out the rest of the field like an NVD would." And in truth, you could drive the S550 entirely through the infrared portal. All it takes is nerves, faith in the hardware and a very understanding insurance agent.

Variable rate helical air
The concept of a truly active suspension system has been something of a Holy Grail for engineers since the invention of the decreasing radius curve. While the S550 doesn't reach for the stars like the old Lotus active suspension trial balloon of decades ago, you'd be hard-pressed to find anything that gets as close.

Conventional springs have been chucked in favor of an Airmatic System wherein four air bellows support the weight of the vehicle. Under lateral weight transfer such as cornering, the outside bellows inflate to reduce body lean by as much as 40 percent. The air is supplied by a compressor that produces 227 psi. A computer activates solenoids to inflate and deflate the springs according to road and dynamic load conditions. The driver can also raise the ride height by 1.2 inches by a button on the dash. At speeds over 68 mph, the ride height is automatically lowered by 3/4 inch and lowered 1/2 inch when the transmission is put into Sport mode. Pushing the air button repeatedly won't make the S550 buck like a low rider. We tried.

The suspension architecture is an impressive four-link front suspension and five-link rear. Bomben remarked on the S550's rapid turn-in and astonishing agility in corners. "It feels like a car that weighs a lot less." Mercedes' Electronic Stability Program (ESP) intuits the direction the driver wants to go and where the car is actually going. Using a sensor array that measures steering angle, yaw rate, G-load and wheel slippage, ESP will detect under- or oversteer conditions and apply the outside or inside brakes to maintain the intended direction of travel. On the skid pad, all that glorious hardware conspired to pull 0.83g. Not that long ago, a number like this was the exclusive domain of thoroughbred sports cars.

This latest version of ESP also monitors windshield wiper activation. When the wipers are on, the system automatically and imperceptibly applies the brakes every few seconds to wipe water off the rotors. This helps maintain full braking ability if it's needed. We clocked an impressive 122.7-foot 60-mph-to-0 braking distance.

The stopping power of the massive four-piston front calipers clamping against 13.8-inch rotors and single-piston rear calipers on 12.6-inch rotors is further assisted by M-B's BrakeAssist system. When the system senses faster-than-usual brake application, the brake booster automatically applies maximum braking effort even if the driver doesn't. It also ties into the Distronic system to determine if a collision is in your immediate future and applies the brakes accordingly.

Ejection not an option
When the question of safety came up, Bomben explained that the measure of last resort in a fighter is to abandon ship and float to earth. No such option is available in the S550. At least not yet.

What the S550 does provide is an eight-bag system that includes dual front bags, four side-impact bags (two for the front and two for the rear), two window curtain airbags, seatbelt pre-tensioners for the front and outboard rear passengers and M-B's legendary cabin structure designed to reduce deformation in a collision. When deployed from the headliner, the window curtain airbag is a full 6 feet long, 14 inches in height and 2 inches thick. In its testing, M-B claims a 90-percent reduction in forces likely to cause head injuries in a side impact.

When we sat down for a debriefing that evening, Bomben summed it up by calling the S550, "The most technologically advanced car I've ever driven."

All we can say is "Ditto." By any measure of performance, luxury, safety and sheer technological prowess, the new M-B flagship has set a new standard. There's simply nothing else like it. At least, that is, until next year. That's when we can expect to see the V12 bi-turbo S600 with 500 hp. Until then, the 2007 Mercedes-Benz S550 will just have to do as the world's new benchmark.

Stereo Evaluation

System Score: 9.0

Components: Our 2007 S550 came equipped with a Harmon Kardon Logic 7 audio system; it's the standard stereo on all S-Class cars sold in the U.S. The new system features a fiber optic interface that more accurately recreates sound. It plays DVD-As or stereo CDs in either 5.1 Surround Sound or conventional stereo but gives both the spacious effect of a concert hall. There's also a memory card slot and iPod docking.

This is a proprietary system and boasts a 600-watt, 13-channel DSP amp with Logic 7 processing. Each side of the car has two 1.8-inch tweeters, a 4-inch midrange, a 6.8-inch woofer and 8-inch subwoofer, 4-inch surround speaker, 4-inch center fill speaker and an 8-by-13 subwoofer in the rear. All speakers except the voice coil subwoofers use metal matrix technology. The system also has dynamic volume control which monitors ambient noise and raises or lowers the volume accordingly.

Performance: As you would expect from this audio system's impressive credentials, it sounds excellent. The highs are lifelike and brilliant without being shrill or too bright. The system has two dedicated 80-watt subwoofer channels and 11 40-watt channels. The result is two-fold: one, the bass is distinct, deep and controlled; two, separation is nearly flawless. The sound quality of this system is on par with that of the stereos found in the Rolls-Royce Phantom or Bentley Flying Spur.

There is simply very little to complain about in terms of sound quality, and acoustic tracks sound especially terrific. We listened to Kristin Hersh's "Panic Pure" and several Emiliana Torrini songs and found that the intimacy of the vocal reproduction gave us chills. Even pop music like Madonna's "Hung Up" had a texture and sonic depth we've rarely experienced in any in-car stereo. However, some really hard rock can sound thin and distant because of the expansive quality of the sound.

The interface for this awesome sound system is a little complex but the learning curve is not frustrating. There's a large wheel that Mercedes refers to as a "turn and push mouse" mounted just to the right of the driver. Adjustments for bass and treble are easy to master and displayed via vertical hash marks. At first it seems odd but as you get into the menus it's obvious that Mercedes thought of virtually everything. For example, while adjusting the bass, the previous level remains partially dark as a reference point so you can easily see how much you're adding or subtracting. Also, there's no traditional volume knob but the small wheel located to the right of the COMMAND knob is easy to get used to.

CD tracks are displayed in a horizontal manner which isn't exactly intuitive. However, there's also a list feature which lists tracks top to bottom — this is especially helpful when navigating numerous MP3 files.

Unfortunately, there's no progressive setting for the Logic 7 effect. Some BMWs with Logic 7 allow you to increase or decrease the effect without being limited to just "on" and "off." But this is a minor point in an otherwise great sound system.

Best Feature: Dynamic and intimate sound reproduction.

Worst Feature: Some display graphics are counterintuitive (although alternatives are almost always offered).

Conclusion: This is easily one of the top 5 car stereos on the market regardless of price. It's flexible and easy to use. When it comes to complaints we're reduced to nitpicking. — Brian Moody

Second Opinions

Senior Editor Ed Hellwig says:
Not many people will ever get the chance to throw the 2007 S550 through a slalom course and it's too bad. If they did, they would realize that this S-Class is more than just another big luxury sedan full of gadgets and leather. Unlike most of its competitors, the S550 feels good when it's being pushed to its limits. I have no idea what its air suspension was doing as I ripped it back and forth, but the car barely rolled and its rear end tucked in around each cone like it knew exactly where it was going.

Bombing down a dead straight highway it's just as impressive in a competent, sleep-inducing kind of way. The seven-speed gearbox is perfect, wind noise is nil and the seats have few equals. The S550's cabin might bear a slight resemblance to the inside of BMW's 7 Series, but the materials and overall feel are superior in the Benz. And you can find what you want without having to consult a manual.

If there's anything that bothers me it's the exterior. The big wheel flares look better in person than in the pictures, but the rest of the car just lays there expecting you to like it because it's big, expensive and an S-Class. Audi's A8 is still a better-looking car. No fun in the slalom, but better-looking.

Senior Road Test Editor Josh Jacquot says:
It takes me 90 seconds to decide I'm not an S-Class fan. Not coincidentally, that's the exact amount of time it takes to turn on the radio, a relatively simple process once you find the switch, but tuning it is still no small matter. I just don't have the patience required for the technology this car possesses.

I can't honestly say that features like automatic braking, infrared night vision and an active driver seat will ever add value for me. I enjoy making decisions myself. I like to adjust fan speed. I like to lock doors. I like to hit the brakes. And I don't like having to program a car to do things my way when I drive it. Doesn't matter how simple that task has become. Boo for technology.

Then I discovered the S-Class's Automatic Body Control active suspension and realized how potent it makes a massive car like the S. In Malibu's Deer Canyon, which twists back on itself so many times it looks like a pretzel on a map, the S cornered flat. Perfectly flat. And it felt almost at home, which is outstanding in any sedan that weighs 4,270 pounds and is both longer and wider than its already large predecessor. Dynamically, its abilities are staggering. Hooray for technology.

The bottom line, for me, is easy. The new S-Class is an amazing automobile. You'll be in love if you've got the time, patience and interest in its ability to coddle, pamper and indulge. Just be sure you give yourself time to figure out the radio.

Used 2007 Mercedes-Benz S-Class Sedan Overview

The Used 2007 Mercedes-Benz S-Class Sedan is offered in the following styles: S550 4dr Sedan (5.5L 8cyl 7A), S550 4MATIC 4dr Sedan AWD (5.5L 8cyl 7A), S600 4dr Sedan (5.5L 12cyl Turbo 5A), and S65 AMG 4dr Sedan (6.0L 12cyl Turbo 5A).

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