2013 Mercedes-Benz GL450 Road Test Specs | Edmunds.com

2013 Mercedes-Benz GL-Class - Road Test Specs

2013 Mercedes-Benz GL-Class SUV

(4.7L V8 Twin-turbo AWD 7-speed Automatic)


Year Make Model2013 Mercedes-Benz GL-Class GL450 4MATIC 4dr SUV AWD (4.7L 8cyl Turbo 7A)
Vehicle TypeAWD 4dr 7-passenger 4dr SUV
Base MSRP$64,805
Options on test vehicleLunar Blue ($720); Designo Porcelain Leather ($4,800); Active Curve System ($2,900 -- includes hydraulically variable antiroll bars to reduce body roll, active damper system); Driver Assistance Package ($2,800 -- includes Distronic Plus with PreSafe brake, Active Blind Spot Assist, Active Lane Keeping Assist); On/Off-Road Package ($1,800 -- includes adaptive damping system, anderride protection [skid plates]); Rear-Seat Entertainment ($1,950 -- includes dual 8-inch LCD screens mounted to the back of the front seat headrests, two wireless headsets, two remote controls, single-disc DVD player underneath the rear seats, auxiliary inputs, three-position memory for front passenger seat, four-way power lumbar support for front passenger seat); Three-Zone Automatic Climate Control ($1,450); Appearance Package ($1,340 -- includes illuminated running boards, 20-by-8.5-inch alloy wheels with 275/50R20 tires, chrome exhaust tips); Parking Assist Package ($1,290 -- includes Parktronic with active parking assist, surround view system); Lighting Package ($1,290 -- includes bi-xenon headlamps with Active Curve illumination, headlamp washing, adaptive high-beam assist); Multicontour Driver/Passenger Seat With Massage and Comfort Headrests ($1,100); Panorama Sunroof ($1,090); Wood/Leather Steering Wheel ($590); Keyless Go ($650 -- includes transponder that lets the driver lock/unlock the vehicle and start/stop the engine without using a key or pressing a button on a remote key fob); Heated Rear Seats ($620 -- includes multilevel heated rear seats); Heated and Active Ventilated Front Seats ($570); Trailer Hitch ($550 -- includes Class III tow hitch with a maximum towing capacity of 7,500 pounds); Power Easy-Entry Second-Row Seats ($400 -- includes second-row seats that electrically move to ease third-row entry); Special Order ($250).
As-tested MSRP$91,765
Assembly locationTuscaloosa, Alabama
North American parts content (%)45


ConfigurationLongitudinal, front-engine, four-wheel drive
Engine typeTwin-turbocharged, direct-injected V8, gasoline
Displacement (cc/cu-in)4,663/285
Block/head materialAluminum/aluminum
ValvetrainDOHC, four valves per cylinder, variable intake + exhaust-valve timing
Compression ratio (x:1)10.5
Redline, indicated (rpm)6,250
Horsepower (hp @ rpm)362 @ 5,000
Torque (lb-ft @ rpm)406 @ 1,500
Fuel typePremium unleaded (required)
Transmission typeSeven-speed automatic
Transmission ratios (x:1)I = 4.38; II = 2.86; III = 1.92; IV = 1.37; V = 1.00; VI = 0.82; VII = 0.73
Final-drive ratio (x:1)3.46
Differential(s)Electronically locking center differential


Suspension, frontIndependent MacPherson struts, pneumatic springs, self-adjusting, active stabilizer bar
Suspension, rearIndependent multilink, pneumatic springs, self-adjusting, active stabilizer ba
Steering typeElectric speed-proportional power steering
Steering ratio (x:1)14.3 to 18.9
Tire make and modelPirelli Scorpion Verde All-Season
Tire typeAll-season front and rear
Tire size275/50R20 (109 H)
Wheel size20-by-10 inches front and rear
Wheel materialAlloy
Brakes, front14.8-inch one-piece ventilated disc with two-piston sliding calipers
Brakes, rear13.6-inch one-piece ventilated disc with single-piston sliding calipers

Track Test Results

Acceleration, 0-30 mph (sec.)2.3
0-45 mph (sec.)3.9
0-60 mph (sec.)6.2
0-75 mph (sec.)8.8
1/4-mile (sec. @ mph)14.3 @ 96.9
0-60 with 1 foot of rollout (sec.)5.9
0-30 mph, trac ON (sec.)2.5
0-45 mph, trac ON (sec.)4.1
0-60 mph, trac ON (sec.)6.3
0-75 mph, trac ON (sec.)9.0
1/4-mile, trac ON (sec. @ mph)14.5 @ 96.8
0-60, trac ON with 1 foot of rollout (sec.)6.0
Braking, 30-0 mph (ft.)28
60-0 mph (ft.)113
Slalom, 6 x 100 ft. (mph) ESC ON57.8
Skid pad, 200-ft. diameter (lateral g) ESC ON0.74
Sound level @ idle (dB)40.8
@ Full throttle (dB)66.8
@ 70 mph cruise (dB)61.2
Engine speed @ 70 mph (rpm)2,000

Test Driver Ratings & Comments

Acceleration commentsHesitant off the line, but then healthy, smooth power to just below redline. Power braking netted about a tenth and a half. Quick upshifts come at 5,900 rpm. There's a big drop in revs after the 2-3 shift. Went quickest (but just barely) in manual mode. Manual shifting is via steering wheel paddles. Will not hold gears to rev limiter, shifts automatically at 5,900 rpm. Attempts to blip throttle on downshifts.
Braking commentsA weak and soft pedal around town becomes reassuringly firm in panic tets, although pedal travel remained long. Plenty of nosedive, but dead straight. First stop was shortest at 113 feet. Sixth (and final) stop was longest at 122 feet.
Handling commentsSkid pad: light, rather unfeeling steering. But it's of little consequence, as the stability system cuts in so aggressively that there isn't much steering or throttle control needed on the part of the driver. Slalom: This may be the most intrusive stability control system ever. The only positive to come out of this ridiculous exercise is that it teaches you to be super smooth, because any shot of aggression with the steering wheel and the GL immediately stabs the brakes, despite the fact it isn't even close to reaching its grip limit. This is pathetic.

Testing Conditions

Test date9/25/2012
Test locationCalifornia Speedway
Elevation (ft.)1,121
Temperature (F)76.5
Relative humidity (%)35.44
Barometric pressure (in. Hg)28.71
Wind (mph, direction)1.81
Odometer (mi.)7,928
Fuel used for test91-octane gasoline
As-tested tire pressures, f/r (psi)32/32

Fuel Consumption

EPA fuel economy (mpg)14 city/19 highway/16 combined
Edmunds observed (mpg)13.3
Fuel tank capacity (U.S. gal.)26.4
Driving range (mi.)501.6

Audio and Advanced Technology

Stereo description14-speaker, 830-watt AM/FM/HD Radio with in-dash six-CD/DVD changer
iPod/digital media compatibilityOptional
Satellite radioOptional
Rear seat video and entertainmentOptional
Bluetooth phone connectivityStandard
Navigation systemOptional hard-drive-based navigation system
Smart entry/StartOptional
Parking aidsOptional self parking, 360-degree camera and front/rear proximity sensors
Blind-spot detectionOptional
Adaptive cruise controlOptional
Lane-departure monitoringOptional
Collision warning/avoidanceOptional

Dimensions & Capacities

Curb weight, mfr. claim (lbs.)5,401
Curb weight, as tested (lbs.)5,875
Weight distribution, as tested, f/r (%)51.5/48.5
Length (in.)201.6
Width (in.)65.0
Height (in.)72.8
Wheelbase (in.)121.1
Track, front (in.)64.8
Track, rear (in.)65.5
Turning circle (ft.)40.7
Legroom, front (in.)40.3
Legroom, rear (in.)38.5
Legroom, 3rd row (in.)35.0
Headroom, front (in.)41.2
Headroom, rear (in.)40.0
Headroom, 3rd row (in.)38.9
Shoulder room, front (in.)58.5
Shoulder room, rear (in.)58.3
Shoulder room, 3rd row (in.)50.5
Seating capacity7
Max cargo volume behind 1st row (cu-ft)93.8
behind 2nd row (cu-ft)49.4
behind 3rd row (cu-ft)16
Payload, mfr. max claim (lbs.)1,764
Tow capacity, mfr. claim (lbs.)7,500
Ground clearance (in.)8.5


Bumper-to-bumper4 years/50,000 miles
Powertrain4 years/50,000 miles
Corrosion4 years/50,000 miles
Roadside assistanceNone
Free scheduled maintenance3,000 miles

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