Generation Hub
Mercedes-Benz R-Class 2006-2012
Overview
The Mercedes-Benz R-Class, produced from 2006 to 2012, represented a unique and versatile offering in the luxury SUV segment, blending a spacious interior with a luxurious ride. This generation featured an exterior design that, while somewhat unconventional, incorporated a long wheelbase and sleek lines to create a distinctive and elegant appearance. The R-Class aimed to appeal to buyers looking for a luxurious family vehicle with ample interior space. Inside, the cabin provided a refined and comfortable environment, featuring high-quality materials, meticulous craftsmanship, and a strong emphasis on accommodating passengers. The interior design focused on comfort and versatility, offering multiple seating configurations to suit various needs, from carrying passengers to accommodating cargo.
Regarding performance, the R-Class prioritized a smooth and comfortable ride over sporty handling. It typically featured various engine options to provide sufficient power for highway cruising and city driving. The suspension and chassis were tuned for comfort and stability, aligning with Mercedes-Benz's goal of delivering a comfortable and composed ride. Safety features included advanced driver assistance systems, anti-lock brakes, stability control, and a comprehensive set of airbags to ensure the well-being of occupants.
Specifications
Mercedes-Benz R-Class specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.
Chassis
- Type: W251
Engine 3.5L 6-Cylinder DOHC
- Recommended Oil viscosity: 0W-30
- Recommended Engine Oil: 229.5
- Drain Plug Torque: 22FT-LBS
- Oil capacity: 8.5 qt
Spark Plug Gap
- 3.5L 6-Cylinder: 0.032”
Engine 3.0L 6-Cylinder DSL
- Recommended Oil viscosity: 0W-30
- Recommended Engine Oil: 229.51
- Drain Plug Torque: 22FT-LBS
- Oil capacity: 9.0 qt
Fuel
- Capacity: 80.0 l
Brake Fluid
- Type: Only use brake fluid approved for Mercedes-Benz according to MB-Freigabe or MB-Approval 331.0.
AdBlue® tank
- Capacity:
- R 350 BlueTEC 4MATIC : 28.2 l
Coolant
- Type: Further information on coolants and on filling can be found in the Mercedes-Benz Specifications for Service Products, MB Approval 310.1, e.g., on the Internet at http://bevo.mercedes-benz.com.
Powertrain
Engine
- 3.0 L M 272 V6
- 3.0 L M 276 V6
- 3.5 L M 272 V6
- 3.5 L M 276 V6
- 5.0 L M 113 V8
- 5.5 L M 273 V8
- 6.2 L M 156 V8
- 3.0 L OM 642 V6 diesel
Transmission
- 7-speed 7G-TRONIC automatic
- 7-speed 7G-TRONIC Plus automatic
Fuel Consumption

Warning Lights & Bulb Sizes
Front Lights
- Daytime Running Light Bulb:
- 12278
- LED
- Front Sidemarker Light Bulb: 2827
- Front Turn Signal Light Bulb: 5200
- High Beam Headlight Bulb H7-55W
- Low Beam Headlight Bulb:
- H7-55W
- HID-D1S
Rear Lights
- Back Up Light Bulb: 921
- Brake Light Bulb: 7506L
- Center High Mount Stop Light Bulb: LED
- License Plate Light Bulb: 6418
- Parking Light Bulb: W5WB
- Rear Sidemarker Light Bulb: LED
- Rear Turn Signal Light Bulb: LED
- Tail Light Bulb: LED
Interior Lights
- Courtesy Light Bulb: 6418
- Dome Light Bulb: 2886X
- Luggage Compartment Light Bulb: 2825
- Map Light Bulb: 2825
- Vanity Mirror Light Bulb: 6418
Repair & Diagnostic Guides 3
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