2014 GL-Class Specifications
Technical Data
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Vehicle Type | Four-door, seven- passenger luxury SUV |
Four-door, seven- passenger luxury SUV |
Four-door, seven- passenger luxury SUV |
Four-door, seven- passenger luxury SUV |
| Chassis | Steel unibody | Steel unibody | Steel unibody | Steel unibody |
Engine
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Type | 3.0L V6-cylinder Single-Turbo |
4.6L V8-cylinder Twin-Turbo |
4.6L V8-cylinder Twin-Turbo |
5.5L V8-cylinder Twin-Turbo |
| Engine Block Material | Aluminum | Aluminum | Aluminum | Aluminum |
| Cylinder Head Material | Forged Aluminum |
Forged Aluminum |
Forged Aluminum |
Forged Aluminum |
| Valve arrangement | Four valves per cylinder |
Four valves per cylinder |
Four valves per cylinder |
Four valves per cylinder |
| Valvetrain | Roller-type rocker arm |
Roller-type rocker arm |
Roller-type rocker arm |
Roller-type rocker arm |
| Displacement (cc) | 2,987 | 4,663 | 4,663 | 5,461 |
| Bore (in.) | 3.27 | 3.66 | 3.66 | 3.86 |
| Stroke (in.) | 3.62 | 3.39 | 3.39 | 3.56 |
| Compression ratio | 15.5 : 1 | 10.5 : 1 | 10.5 : 1 | 10.0 : 1 |
| Horsepower @ rpm | 240 @ 3,600 | 362 @ 5,000 - 6,000 |
429 @ 5,250 | 550 @ 5,250 - 5,750 |
| Torque (lb-ft) @ rpm | 455 @ 1,600 - 2,400 |
406 @ 1,500 - 4,000 |
516 @ 1,800 - 3,500 |
560 @ 2,000 - 5,000 |
| Intake system | Single-Turbo | Twin-Turbo | Twin-Turbo | Twin-Turbo |
| Max. engine speed (rpm) | 4,750 | 6,300 | 6,300 | 6,300 |
Performance
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| 0-60 (sec.) | 8.3 (est.) | 6.2 (est.) | 5.5 (est.) | 4.8 (est.) |
| Top speed (limited) (mph) |
130 | 130 | 130 | 174 |
| Fuel economy (mpg): city/hwy/comb. |
19/26/22 | 14/19/16 | 13/18/15 | 13/17/14 |
Transmission
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Type | 7G-TRONIC PLUS | 7G-TRONIC PLUS | 7G-TRONIC PLUS | AMG SPEEDSHIFT PLUS 7G-TRONIC |
| Gear ratios | ||||
| 1 | 4.38 | 4.38 | 4.38 | 4.38 |
| 2 | 2.86 | 2.86 | 2.86 | 2.86 |
| 3 | 1.92 | 1.92 | 1.92 | 1.92 |
| 4 | 1.37 | 1.37 | 1.37 | 1.37 |
| 5 | 1.00 | 1.00 | 1.00 | 1.00 |
| 6 | 0.82 | 0.82 | 0.82 | 0.82 |
| 7 | 0.73 | 0.73 | 0.73 | 0.73 |
| R1 | 3.42 | 3.42 | 3.42 | 3.42 |
| R2 “comfort mode” | 2.23 | 2.23 | 2.23 | 2.23 |
| Final drive | 3.27 | 3.46 | 3.46 | 3.47 |
Suspension/Steering
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Suspension | ||||
| Front | Independent double wishbone, AIRMATIC |
Independent double wishbone, AIRMATIC |
Independent double wishbone, AIRMATIC |
Independent double wishbone, AIRMATIC |
| Rear | 4-arm multi-link, AIRMATIC |
4-arm multi-link, AIRMATIC |
4-arm multi-link, AIRMATIC |
4-arm multi-link, AIRMATIC |
| Steering | electromechanical | electromechanical | electromechanical | electromechanical AMG speed-sensitive |
| Steering ratio | 18.9 | 18.9 | 18.9 | 18.9 |
| Turning circle (ft.) | 40.8 | 40.8 | 40.8 | 40.8 |
| Stability control | ESP Stability Control |
ESP Stability Control |
ESP Stability Control |
ESP Stability Control |
| Traction control | ASR traction control |
ASR traction control |
ASR traction control |
ASR traction control |
Exterior Dimensions (in inches)
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Wheelbase | 121.1 | 121.1 | 121.1 | 121.1 |
| Length | 201.6 | 201.6 | 201.6 | 202.6 |
| Width including mirrors | 84.3 | 84.3 | 84.3 | 84.3 |
| Width excluding mirrors | 76.1 | 76.1 | 76.1 | 76.1 |
| Height | 72.8 | 72.8 | 72.8 | 72.8 |
| Ground clearance | 8.5 | 8.5 | 8.5 | 8.5 |
| Track width front | 65.2 | 65.2 | 64.8 | 66.0 |
| Track width rear | 65.9 | 65.9 | 65.6 | 66.8 |
Interior Dimensions (in inches)
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Head room front w/ sunroof |
41.2 | 41.2 | 41.2 | 41.2 |
| Head room 2nd row | 40.0 | 40.0 | 40.0 | 40.0 |
| Head room 3rd row | 38.9 | 38.9 | 38.9 | 38.9 |
| Leg room, front | 40.3 | 40.3 | 40.3 | 40.3 |
| Leg room, 2nd row | 38.5 | 38.5 | 38.5 | 38.5 |
| Leg room, 3rd row | 35.0 | 35.0 | 35.0 | 35.0 |
| Shoulder room, front | 58.5 | 58.5 | 58.5 | 58.5 |
| Shoulder room, 2nd row | 58.3 | 58.3 | 58.3 | 58.3 |
| Shoulder room, 3rd row | 50.5 | 50.5 | 50.5 | 50.5 |
Capacities
| GL350 BlueTEC | GL450 4MATIC | GL550 4MATIC | GL63 AMG | |
| Cabin volume (cu. ft.) | 143.6 | 143.6 | 143.6 | 143.6 |
| Cargo Capacity behind 1st (cu.ft.) |
93.8 | 93.8 | 93.8 | 93.8 |
| Cargo Capacity behind 2nd (cu.ft.) |
49.4 | 49.4 | 49.4 | 49.4 |
| Cargo Capacity behind 3rd (cu.ft.) |
16.0 | 16.0 | 16.0 | 16.0 |
| Curb weight (lbs.) | 5,467 | 5,401 | 5,578 | 5,754 |
| Max. total payload (lbs.) | 1,754 | 1,764 | 1,776 | 1,478 |
| Fuel Tank including Reserve (gallons) |
26.4 | 26.4 | 26.4 | 26.4 |
