Market Position:
Luxury multi-purpose vehicle (MPV) or Grand Sports Tourer, positioned to offer SUV versatility with luxury car comfort and driving dynamics.
Competitors:
Competed against vehicles like the BMW X5, Audi Q7, Volvo XC90, and Land Rover LR3/Discovery.
Unique Selling Points:
Spacious interior, available seating for up to seven passengers, advanced Mercedes-Benz technology and luxury appointments, standard 4MATIC all-wheel drive, and a refined driving experience for its class.
Powertrain:
Engine (3.2L V6 Diesel), Transmission (7-speed automatic), Drivetrain (4MATIC all-wheel drive)
Chassis:
Suspension (air suspension options), Steering, Brakes (ABS, ESP), Wheels and Tires
Electrical System:
ECU, Wiring Diagrams, Lighting, Instrumentation, Audio System, Power Accessories, Battery, Charging System
Body And Interior:
Body Panels, Doors, Glass, Seats, HVAC (climate control), Safety Restraints (Airbags)
Maintenance:
Routine scheduled maintenance, fluid changes, filter replacements, inspections
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems
Repair:
Step-by-step repair instructions for components and systems, including engine overhaul, transmission service, suspension replacement, brake caliper replacement, etc.
Component Replacement:
Detailed instructions for replacing parts such as sensors, actuators, pumps, filters, belts, hoses, and more.
Depth:
Expert-level technical information, suitable for professional technicians and advanced DIY enthusiasts.
Engine Type:
3.0L V6 Turbocharged Diesel (CDI)
Displacement:
2987 cc (182.3 cu in)
Bore X Stroke:
83.0 mm x 92.0 mm
Compression Ratio:
17.0:1
Fuel Delivery:
Common Rail Direct Injection (CDI) with piezo injectors
Horsepower:
210 hp @ 3800 rpm
Torque:
398 lb-ft @ 1600-2600 rpm
Emission Control:
Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) on some models/regions
Length:
198.9 in (5052 mm)
Height:
67.9 in (1725 mm)
Wheelbase:
126.6 in (3216 mm)
Curb Weight:
Approx. 4,700 - 5,000 lbs (2132 - 2268 kg)
Gross Vehicle Weight Rating:
Approx. 6,300 lbs (2858 kg)
Cargo Volume Behind 3Rd Row:
Approx. 13.2 cu ft (374 L)
Cargo Volume Behind 2Nd Row:
Approx. 42.0 cu ft (1189 L)
Cargo Volume Behind 1St Row:
Approx. 82.3 cu ft (2330 L)
NHTSA Front Impact Driver:
5-Star
NHTSA Front Impact Passenger:
5-Star
IIHS Front Offset Crash Test:
Good
Stability Control:
Electronic Stability Program (ESP) standard
Traction Control:
Traction Control System (TCS) standard
ABS:
Anti-lock Braking System (ABS) standard
Braking Assist:
Brake Assist (BAS) standard
Airbags:
Front airbags, side airbags, curtain airbags for all three rows
Seatbelts:
3-point seat belts with pretensioners and force limiters, ISOFIX child seat anchors
Infotainment System:
COMAND APS (Cockpit Management and Navigation System) with integrated radio, CD/DVD player, navigation, and optional Harman Kardon surround sound.
Driver Assistance Features:
Optional features included DISTRONIC (adaptive cruise control), PARKTRONIC (parking sensors), rearview camera, and bi-xenon headlamps with active curve illumination.
Connectivity Options:
Bluetooth connectivity for hands-free calling was available, along with optional Media Interface for iPod and other auxiliary devices.
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first, depending on driving conditions and oil type used (refer to manual for specific recommendations).
Engine Air Filter Replacement:
Every 30,000 miles or as per inspection.
Cabin Air Filter Replacement:
Every 20,000 miles or annually.
Transmission Fluid Service:
Typically every 60,000 to 80,000 miles for the 7G-TRONIC transmission.
Coolant Flush:
Every 5 years or 100,000 miles (initial fill is long-life coolant).
Engine Oil Type:
MB 229.51 (Low SAPS synthetic diesel engine oil, e.g., 5W-30 or 0W-30)
Engine Oil Capacity:
Approx. 8.5 liters (8.9 US quarts)
Coolant Type:
MB 325.0 / 326.0 (Blue-colored coolant, Polyethylene Glycol based)
Brake Fluid Type:
DOT 4 Plus (MB 331.0)
Common Problems:
Potential issues include swirl flap actuator failure (OM642 engine), diesel particulate filter (DPF) clogging, AdBlue system issues (if equipped), HVAC blower motor resistor failure, suspension component wear (especially air suspension), and fuel injector problems.
Diesel Specific Considerations:
Proper use of low-sulfur diesel fuel and occasional highway driving is recommended to maintain DPF health. Ensure the vehicle is allowed to complete its regeneration cycles.
Brand Heritage:
Mercedes-Benz, established in 1926, known for luxury, engineering excellence, and pioneering automotive technologies since its inception.
Model Introduction:
The R-Class was introduced in late 2005 for the 2006 model year as a new segment vehicle, blending elements of an SUV, minivan, and wagon.
2008 Updates:
For 2008, the R320 received the more potent 3.0L V6 turbo-diesel (OM642) engine previously offered in some markets, replacing the earlier 3.2L CDI engine, and a standard 4MATIC all-wheel-drive system across the lineup.
Production Plant:
Tuscaloosa, Alabama, USA
Production Years:
2006-2012 (Globally)
