MERCEDES-BENZ
Mercedes-Benz R-class W251 (2005–2010) Specs
Specifications, engines, dimensions and technical data.
Body Style
Chassis
Engines
Quick Specs
Engine Lineup
| Trans | Engine | Gears | HP | Fuel | CO₂ |
|---|---|---|---|---|---|
| AT | AMG R 63 V8 4MATIC 7G-TRONIC AMG SPEEDSHIFT | 7 | 510 HP | Petrol | — |
| AT | R 300 V6 G-TRONIC | 7 | 231 HP | Petrol | — |
| AT | R 320 BlueTec G-TRONIC | 7 | 210 HP | Diesel | — |
| AT | R 350 CDI V6 4MATIC G-TRONIC | 7 | 224 HP | Diesel | — |
| AT | R 350 V6 G-TRONIC | 7 | 272 HP | Petrol | — |
| AT | R 500 V8 4MATIC 7G-TRONIC | 7 | 306 HP | Petrol | — |
| AT | R 500 V8 4MATIC 7G-TRONIC | 7 | 388 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
Mercedes-Benz R-class W251 overview
The Mercedes-Benz R-class (W251) is the 1st generation of the R-class, built from 2005 to 2010. It is offered as a Station Wagon Estate with 7 engines (diesel, petrol), from 190 HP to 510 HP. The R 500 V8 (388 Hp) 4MATIC G-TRONIC accelerates from 0 to 100 km/h in 6.3 s, reaches a top speed of 250 km/h and is 5157 mm long.
How much horsepower does the Mercedes-Benz R-class have?
The Mercedes-Benz R-class (W251) has 190 HP to 510 HP, depending on the engine: 3.0 Om642 (190 HP), 3.0 Om642 (210 HP), 3.0 M272 (231 HP), 3.5 M272 (272 HP), 5.0 M113 (306 HP), 5.5 M273 (388 HP), 6.2 M156 (510 HP).
What engines are available for the Mercedes-Benz R-class?
The Mercedes-Benz R-class is available with 7 engines: 3.0 Om642 (190 HP, diesel), 3.0 Om642 (210 HP, diesel), 3.0 M272 (231 HP, petrol), 3.5 M272 (272 HP, petrol), 5.0 M113 (306 HP, petrol), 5.5 M273 (388 HP, petrol), 6.2 M156 (510 HP, petrol).
What are the dimensions of the Mercedes-Benz R-class?
The Mercedes-Benz R-class is 5157 mm long, 1922 mm wide, 1674 mm tall, with a 3215 mm wheelbase.
How fast is the Mercedes-Benz R-class?
The Mercedes-Benz R-class R 500 V8 (388 Hp) 4MATIC G-TRONIC goes from 0 to 100 km/h in 6.3 s and has a top speed of 250 km/h.
Advanced Specs
Overview
| Generation | Mercedes-Benz R-class Long V251 |
|---|---|
| Year | 2008–2010 |
| Platform | Mercedes-Benz W251 |
| Variant | R 500 V8 (388 Hp) 4MATIC G-TRONIC |
| Body type | Station Wagon Estate |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 5 |
| Emission standard | Euro 5 |
Power & torque
| Power | 388 HP |
|---|---|
| Power @ max rpm | 6000 rpm |
| Torque | 530 Nm |
| Torque @ min rpm | 2800 rpm |
| Torque @ max rpm | 4800 rpm |
Performance
| Top speed | 250 km/h |
|---|---|
| 0–100 km/h | 6.3 s |
| 0–62 mph | 6.3 s |
Engine
| Engine code | M273.963 |
|---|---|
| Displacement | 5461 cc |
| Cylinders | 8 |
| Configuration | V Engine |
| Bore | 98.0 mm |
| Stroke | 90.5 mm |
| Compression ratio | 10 |
| Injection system | Multi Port Manifold Injection |
| Aspiration | Naturally Aspirated Engine |
| Oil capacity | 9.0 L |
| Engine layout | Front Longitudinal |
Drivetrain & transmission
| Drive | All wheel drive (4x4) |
|---|---|
| Powertrain architecture | Internal Combustion Engine |
| Gearbox type | torque_converter |
| Gears | 7 |
| Gearbox code | 722.9-7g-tronic |
| Gearbox manufacturer | Mercedes Benz |
Dimensions
| Length | 5157 mm |
|---|---|
| Width | 1922 mm |
| Height | 1674 mm |
| Wheelbase | 3215 mm |
| Front track | 1661 mm |
| Rear track | 1651 mm |
| Boot space | 0 – 2385 L |
| Turning circle | 12.4 m |
Mass
| Kerb weight | 2265 kg |
|---|---|
| Max weight | 2920 kg |
| Max load | 655 kg |
Consumption & emissions
| Fuel combined | 12.9 L/100km |
|---|---|
| Fuel urban | 18.2 L/100km |
| Fuel extra urban | 9.8 L/100km |
| CO₂ emissions | 306 g/km |
| Fuel tank | 80.0 L |
Chassis & brakes
| Front suspension | Double Wishbone |
|---|---|
| Rear suspension | Independent Multi Link Spring Suspension With Stabilizer |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
| Steering type | Steering Rack And Pinion |
| Power steering | Hydraulic Steering |
| Tire size | 255/55 R19 W |
| Wheel rims | 19 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 5.8 kg/Hp, 171.3 Hp/tonne |
|---|---|
| Weight-to-torque | 4.3 kg/Nm, 234 Nm/tonne |
| Max roof load | 100 kg |
Other
| Start Of Production | 2008 |
|---|---|
| End Of Production | 2010 |
Performance
! Figures from catalog data; real-world values may differ.