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286 listings
  • Price Drop
    $38,495
    good price
    $2,662 below market
    33,673 miles
    2 Accidents, 2 Owners, Corporate fleet vehicle
    6cyl Automatic
    Carmel Motors (223 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Indianapolis, IN / 223 miles away from Rockford, IL

    Priced below KBB Fair Purchase Price!Obsidian Black Metallic 2017 Mercedes-Benz SL-Class SL 450 RWD 3.0L Bi-Turbo V6 9-Speed AutomaticPremium 1 Pkg, H...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA4HF045487
    Stock: 045487
    Certified Pre-Owned: No
    Listed since: 02-14-2024

  • $50,000
    great price
    $5,259 below market
    30,391 miles
    2 Accidents, 2 Owners, Personal use
    8cyl Automatic
    Zeigler Cadillac of Lincolnwood (67 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Lincolnwood, IL / 67 miles away from Rockford, IL

    2018 Mercedes-Benz SL-Class SL 550/ NAVIGATION/ BACKUP CAMERA/ BLUETOOTH w/MUSIC STREAMING/ BLIND SPOT MONITOR/ PRE-COLLISION WARNING SYSTEM/ LANE DE...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA0JF052856
    Stock: PJ4049
    Certified Pre-Owned: No
    Listed since: 03-22-2024

  • New Listing
    $46,995
    good price
    $2,137 below market
    37,254 miles
    No accidents, 2 Owners, Personal use
    6cyl Automatic
    AutoNation Ford White Bear Lake (278 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Paul, MN / 278 miles away from Rockford, IL

    Panoramic Roof Leather Seats Navigation System Keyless Start This vehicle includes a Money-Back Guarantee* and passed our precise inspection process...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA1JF052791
    Stock: JF052791
    Certified Pre-Owned: No
    Listed since: 04-30-2024

  • Price Drop
    $37,995
    fair price
    $477 below market
    62,076 miles
    2 Accidents, 2 Owners, Personal use
    8cyl Automatic
    Carmel Motors (223 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Indianapolis, IN / 223 miles away from Rockford, IL

    Black 2016 Mercedes-Benz SL-Class SL 550 RWD 4.7L V8 BiTurbo 7-Speed Automatic Electronic449hp Twin-Turbo, Harman/Kardon Snd., Driver Assist Pkg, Spor...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/24 Highway)

    Listing Information:

    VIN: WDDJK7DA3GF042220
    Stock: 042220
    Certified Pre-Owned: No
    Listed since: 03-12-2024

  • $47,350
    fair price
    $197 above market
    43,210 miles
    1 Accident, 2 Owners, Personal use
    6cyl Automatic
    Long's Auto Place (280 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in White Bear Lake, MN / 280 miles away from Rockford, IL

    In-House Warranty Included! Long's Auto Place has been in St. Paul and family owned since 1981! All vehicles come fully inspected, serviced and ready ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GAXJF050800
    Stock: 12396R
    Certified Pre-Owned: No
    Listed since: 03-13-2024

  • New Listing
    $44,995
    fair price
    $2,612 above market
    52,020 miles
    No accidents, 2 Owners, Personal use
    8cyl Automatic
    Carmel Motors (223 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Indianapolis, IN / 223 miles away from Rockford, IL

    CARFAX One-Owner.Clean CARFAX.Silver 2016 Mercedes-Benz SL-Class SL 550 RWD 4.7L V8 BiTurbo 7-Speed Automatic Electronic*LOCAL HOME DELIVERY AVAILABLE...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/24 Highway)

    Listing Information:

    VIN: WDDJK7DA8GF039720
    Stock: 039720
    Certified Pre-Owned: No
    Listed since: 04-29-2024

  • 22,525 miles
    No accidents, 2 Owners, Personal use only
    8cyl Automatic
    Auto Collection of Murfreesboro (463 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Murfreesboro, TN / 463 miles away from Rockford, IL

    2018 MERCEDES SL 550 ROADSTER DRIVER ASSISTANCE PKG W/19 INCH AMG WHEELS Listed below are all the window sticker installed options Wheels: 19"" Amg...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA2JF051501
    Stock: 051501
    Certified Pre-Owned: No
    Listed since: 04-25-2024

  • 58,588 miles
    1 Accident, 2 Owners, Personal use only
    8cyl Automatic
    Volvo Cars Of Saint Louis (260 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Louis, MO / 260 miles away from Rockford, IL

    This Mercedes-Benz SL has a strong Twin Turbo V-8 5.5 L engine powering this Automatic transmission. Bluetooth Wireless Phone Connectivity, Window Gri...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    19 Combined MPG (16 City/25 Highway)

    Listing Information:

    VIN: WDDJK7EA9GF039997
    Stock: 6586A
    Certified Pre-Owned: No
    Listed since: 11-16-2022

  • Price Drop
    $41,990
    great price
    $3,386 below market
    51,137 miles
    No accidents, 3 Owners, Personal use
    8cyl Automatic
    Carvana (In-stock online)
    Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Phoenix, AZ / 1,387 miles away from Rockford, IL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA9HF048556
    Stock: 2002837761
    Certified Pre-Owned: No
    Listed since: 04-05-2024

  • $44,995
    good price
    $3,192 below market
    49,181 miles
    No accidents, 3 Owners, Corporate fleet vehicle
    8cyl Automatic
    Dan Goben Cars (164 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Green Bay, WI / 164 miles away from Rockford, IL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA2HF048723
    Stock: 8616
    Certified Pre-Owned: No
    Listed since: 06-01-2022

  • $48,994
    good price
    $1,840 below market
    39,442 miles
    No accidents, 3 Owners, Corporate fleet vehicle
    8cyl Automatic
    Mercedes-Benz of Orland Park (75 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Orland Park, IL / 75 miles away from Rockford, IL

    Black 2017 Mercedes-Benz SL-Class SL 550 RWD 9-Speed Automatic 4.7L V8 BiTurbo Bengal Red/Black w/AMG Premium Leather Upholstery, 11 Speakers, 19" AMG...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA8HF045289
    Stock: P2272
    Certified Pre-Owned: No
    Listed since: 03-31-2024

  • Price Drop
    $38,990
    fair price
    $1,527 below market
    42,677 miles
    No accidents, 2 Owners, Personal use only
    6cyl Automatic
    Carvana (In-stock online)
    Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Salt Lake City, UT / 1,182 miles away from Rockford, IL

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA4HF046753
    Stock: 2002849473
    Certified Pre-Owned: No
    Listed since: 04-16-2024

  • $49,999
    fair price
    $503 below market
    38,620 miles
    No accidents, 2 Owners, Personal use
    8cyl Automatic
    Modern Motorcars (423 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Nixa, MO / 423 miles away from Rockford, IL

    $117,345 MSRP. 2017 Mercedes-Benz SL-Class SL 550. Hard Top Convertible, Magic Sky Control, Driver Assistance Package, Badging Deviation, Black Ash Wo...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA5HF043533
    Stock: 1790533
    Certified Pre-Owned: No
    Listed since: 02-14-2024

  • $41,588
    fair price
    $1,412 below market
    43,816 miles
    2 Accidents, 3 Owners, Corporate fleet vehicle
    6cyl Automatic
    iCars Chicago (66 mi away)
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Upgraded Headlights
    Close

    Located in Skokie, IL / 66 miles away from Rockford, IL

    2017 Mercedes-Benz SL450 Sport 2dr Convertible Black Exterior Over Silk Beige & Espresso Brown Leather Interior Only Three Previous Owners!!! Only 43,...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA3HF043519
    Stock: ICC2987
    Certified Pre-Owned: No
    Listed since: 03-29-2024

  • $48,995
    fair price
    $676 above market
    36,566 miles
    No accidents, 2 Owners, Corporate fleet vehicle
    8cyl Automatic
    Greater Chicago Motors (53 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Glendale Heights, IL / 53 miles away from Rockford, IL

    2017 Mercedes-Benz SL 550 $113,495 MSRP!! Black Metallic Exterior with Black Perforated Nappa Leather Interior and Grey Headliner!! Black Ash Wood Acc...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA7HF047776
    Stock: GCM6721
    Certified Pre-Owned: No
    Listed since: 05-12-2023

  • $39,991
    fair price
    $407 below market
    42,553 miles
    1 Accident, 2 Owners, Personal use only
    6cyl Automatic
    Kimberly Chrysler Jeep Dodge Ram (93 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Davenport, IA / 93 miles away from Rockford, IL

    BLACK W/ BLACK HEATED/ ACTIVE VENTILATED LEATHER. PREMIUM 1 PACKAGE W/ MESSAGING SEATS, PARKTRONIC ACTIVE PARK ASSIST, HANDS-FREE ACCESS, AIRSCARF NEC...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA0HF048628
    Stock: X6704A
    Certified Pre-Owned: No
    Listed since: 10-04-2023

  • Price Drop
    $51,859
    fair price
    $2,533 above market
    50,518 miles
    No accidents, 2 Owners, Personal use
    6cyl Automatic
    Driveway (246 mi away)
    Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Urbandale, IA / 246 miles away from Rockford, IL

    CarFax No Accidents Reported,Rare Find,Apple CarPlay,Automatic Parking,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Hands-Free Liftgate,He...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA4KF054892
    Stock: KF054892MP
    Certified Pre-Owned: No

  • 14,652 miles
    No accidents, 1 Owner, Personal use
    8cyl Automatic
    Ultimo Motors (53 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warrenville, IL / 53 miles away from Rockford, IL

    Original MSRP $115,745.00Clean CarfaxDetailed Carfax Service HistoryFlorida Convertible4.7L Twin Turbo V8 Engine449 HP, 516 lb Torque9 Speed Automatic...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA6HF043492
    Stock: UN4208
    Certified Pre-Owned: No
    Listed since: 04-07-2024

  • 27,500 miles
    Insurance loss reported, 1 Owner, Personal use only
    6cyl Automatic
    Auto Max Chicago (68 mi away)
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Upgraded Headlights
    Close

    Located in Chicago, IL / 68 miles away from Rockford, IL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Title issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: WDDJK6GA7HF048299
    Stock: SLBL45
    Certified Pre-Owned: No
    Listed since: 03-30-2024

  • 54,787 miles
    No accidents, 1 Owner, Personal use
    8cyl Automatic
    Kearns Motor Car Co (60 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Johnson Creek, WI / 60 miles away from Rockford, IL

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    19 Combined MPG (16 City/25 Highway)

    Listing Information:

    VIN: WDDJK7EA3HF047255
    Stock: 8312A
    Certified Pre-Owned: No
    Listed since: 04-05-2024

  • 72,527 miles
    No accidents, 2 Owners, Personal use
    8cyl Automatic
    HW Kia of West County (264 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Ballwin, MO / 264 miles away from Rockford, IL

    Convertible, leather heated front bucket seats, navigation, backup camera, woodgrain interior trim, 2DR coupe, 4.7L V8 BiTurbo, 9-speed automatic, RWD...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (17 City/25 Highway)

    Listing Information:

    VIN: WDDJK7DA2HF044655
    Stock: P1355A
    Certified Pre-Owned: No
    Listed since: 11-10-2023

Showing 1 - 21 out of 286 listings

Consumer Reviews for the Mercedes-Benz SL-Class

Read recent reviews for the Mercedes-Benz SL-Class
Overall Consumer Rating
4.6 out of 5 stars26 Reviews
Write a vehicle reviewSee all 26 reviews
  • 5 star
    (77%)
  • 4 star
    (8%)
  • 3 star
    (12%)
  • 2 star
    (4%)
  • 1 star
    (0%)
5 out of 5 stars

Hard decision was the right decision

jn.meyer@hotmail.com, 09/23/2016
2017 Mercedes-Benz SL-Class SL 450 2dr Convertible (3.0L 6cyl Turbo 9A)
There are lots of choices in today's marketplace for the person wanting a two seat sports roadster. I ordered my SL 450 on the day that the dealer was allowed to enter orders for the 2017 model year. The homework prior to selecting the SL 450 was many months of soul searching for the right car, and in the end my list of wants played a role in my final selection. I nixed many models and … brands because of over budget price and worthiness to be classified as a luxury roadster. My final decision was made on a budgeted amount I was willing to spend, overall styling, interior comfort, entry/exit, technology features, available options, ride quality, how well the engine was matched to the transmission, safety features, trunk space, outward visibility, and industry magazine articles. I have owned 1981 and 2001 Corvette's so I had that American experience behind me and fulfilled that past teenage desire to someday own a Corvette. As part of my research, I also considered and drove the Corvette Z51, the Jaguar F-Type, the Porsche Cayman S, and the Audi TT. They all had entry/exit issues and trunk space issues, and only the Corvette passed the interior comfort, technology, and ride quality test. The final decision became easy because the Sl 450 met my expectations in a luxury Roadster based on the 2016 model year, and automotive journal comments about the 2017 which I found to be accurate. The motor transmission match-up is an absolute joy, and the motor has plenty of torque to make the driver feel that he/she is not being held back by torque lag. I bought the Brilliant Blue, with the Designo Sand interior and Black Ash Trim, and it is a beautiful classic look. It has every option except for the Automatic Body Control and the Upgrade Sound System. The improvements over the 2016 SL 400 made it easy to wait for the 2017 model year. If you want a car that gets lots of looks and thumbs-up, this car pretty much does that. There is enough trunk space with the top closed to satisfy a week trip worth of luggage. With the top down, and the windows/wind screen up, you can easily carry on a conversation at interstate speeds. I own a GL 550, so moving from one to the other is very easy because the controls are very similar. I had concerns about the small video screen, but it has not been an issue. The only thing I had issues with was learning how to pre-set stations for the radio, its awkward and more complicated than it should be, but great to use once the up-to 100 pre-sets are programmed. I would not spend the additional $20,000.00 for the SL 550 unless you have a personal need to have that emblem on your car. The more I drive this car, the more I want to drive this car.
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Used 2017 Mercedes-Benz SL-Class in Rockford, IL Values

Estimated values
2017 Mercedes-Benz SL-Class SL 450 2dr Convertible (3.0L 6cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$34,663$37,394$39,692
Clean$33,400$35,958$38,091
Average$31,296$33,566$35,424
Rough$28,560$30,456$31,957

The average list price of a used 2017 Mercedes-Benz SL-Class in Rockford, Illinois is $47,949. The average mileage on a used Mercedes-Benz SL-Class 2017 for sale in Rockford, Illinois is 43,034. Based on the average mileage of 43,034 for used 2017 Mercedes-Benz SL-Class for sale in Rockford, IL and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used Mercedes-Benz SL-Class 2017 in Rockford, Illinois to be $31,296.

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