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Mercedes-Benz R-class W251 R 350 CDI V6 (224 Hp) 4MATIC G-TRONIC
Overall Rating
Mercedes-Benz R-class:
The Mercedes-Benz R-Class is a mid-size luxury MPV introduced by Mercedes-Benz in 2005 for the 2006 model year. Following the success of the smaller A- and B-Class MPVs, Mercedes in collaboration with coachbuilder Stola presented a concept vehicle, Vision GST , at the 2002 Detroit Auto Show and a second one, Vision R presented at the 2004 Detroit Auto Show, subsequently introducing the production version at 2005 New York International Auto Show. The R-Class was manufactured in Vance, Alabama until 2015 when its production was shifted to Mishawaka, Indiana for a smaller volume production until 2017....(Read more on Wikipedia)
W251 Overview:
Mercedes-Benz R-class (W251). With 510 Nm of torque, it offers ample pulling power. At around 2250 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is good (0–100 km/h in 8.7 s). The top speed reaches 222 km/h. A car with an extended rear cargo area, combining passenger comfort with increased storage. Seating for 5 makes it ideal for daily use.
The Mercedes-Benz R-Class (W251) was not tested by Euro NCAP. However, as a Mercedes-Benz vehicle of its era, it was engineered with a strong emphasis on passive and active safety features, including multiple airbags, ABS, and ESP, providing a high level of occupant protection.
R 350 CDI V6 (224 Hp) 4MATIC G-TRONIC Verdict:
Performance Verdict
A strong and capable diesel, providing excellent torque for effortless acceleration and towing, especially with 4MATIC.
Fuel Economy
Very good fuel economy for its power output and the vehicle's size, making it a practical choice for long-distance travel.
Pros and Cons:
Pros:
- • Exceptional interior space and passenger comfort, especially in 6-seater configurations.
- • Smooth and refined ride quality, ideal for long journeys.
- • High-quality interior materials and luxurious appointments.
- • Powerful engine options, including strong diesels and a rare AMG variant.
- • Available 4MATIC all-wheel-drive system enhances traction and stability.
Cons:
- • Divisive exterior styling that didn't appeal to all buyers.
- • Large footprint makes it challenging to maneuver and park in urban areas.
- • High fuel consumption for petrol models, especially the V8s.
- • Some known reliability issues with early M272/M273 engines (balance shaft) and 7G-Tronic transmissions.
- • Steep depreciation from new, though this makes it a good used value.
Specifications:
Specifications are compared to those of the previous generation(Long (V251): 2008 - 2010).
| General: | |
|---|---|
| Brand: | Mercedes-Benz |
| Model: | R-class |
| Generation: | W251 |
| Modification (Engine): | R 350 CDI V6 (224 Hp) 4MATIC G-TRONIC |
| Start of production: | 2009 |
| End of production: | 2010 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Station wagon (estate) |
| Seats: | 5-7 |
| Doors: | 5 |
| Engine: | |
|---|---|
| Engine systems: | Particulate filter |
| Power: | 224 Hp Same horsepower |
| Power per litre: | 75 Hp/l [235mm less] |
| Torque: | 510 Nm |
| Engine Model/Code: | OM 642.950 More details about the engine OM 642.950 |
| Engine displacement: | 2987 |
| Number of cylinders: | 6 |
| Engine configuration: | V-engine |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Diesel Commonrail |
| Engine aspiration: | Turbocharger, Intercooler |
| Engine oil capacity: | 8.5 l |
| Coolant: | 10.1 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 83 mm mm |
| Piston Stroke: | 92 mm mm |
| Compression ratio: | 16.5:1 |
| Maximum engine speed: | 4500 rpm. |
| Performance: | |
|---|---|
| Fuel Type: | Diesel |
| Fuel consumption (economy) - combined: | 9.3 l/100 km |
| Emission standard: | Euro 5 |
| Acceleration 0 - 100 km/h: | 8.7 sec |
| Acceleration 0 - 62 mph: | 8.7 sec |
| Maximum speed: | 222 km/h |
| Weight-to-power ratio: | 10 kg/Hp, 99.6 Hp/tonne |
| Weight-to-torque ratio: | 4.4 kg/Nm, 226.7 Nm/tonne |
| Acceleration 0 - 60 mph: | 8.3 sec |
| Space: | |
|---|---|
| Kerb Weight: | 2250 |
| Max. weight: | 2840 |
| Max. roof load: | 100 kg |
| Max load: | 590 |
| Trunk (boot) space - maximum: | 1950 l |
| Trunk (boot) space - minimum: | 550 l |
| Permitted trailer load with brakes (12%): | 2100 kg |
| Fuel tank capacity: | 80 l |
| Permitted trailer load without brakes: | 750 kg |
| Size: | |
|---|---|
| Length: | 4922 mm mm [235mm less] |
| Width: | 1922 mm mm [Same width.] |
| Height: | 1659 mm mm [15mm less] |
| Wheelbase: | 2980 mm mm [235mm less] |
| Powertrain: | |
|---|---|
| Drive wheel | All wheel drive (4x4) |
| Number of gears | 7 |
| Transmission type | Automatic |
| Gearbox type | G-TRONIC |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 235/65 R17 |
| Wheel rims size | 7.5J x 17 |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
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