- Combustion principle: four-stroke petrol engine
- Exhaust-gas treatment: catalytic converter
- Arrangement: in front
- Installation direction: longitudinally; above the axis
- Engine designation / type: M 276 E 35 DES / 276.957
- Number of cylinders / arrangement: 6 / 60° V
- Bore: 92.9 mm
- Stroke: 86.0 mm
- Displacement : 3498 cc
- Compression ratio: 12.0
- Rated power: 225 kW / 306 DIN/hp at 6500 rpm
- Nominal torque: 370 Nm at 3500 - 5250 rpm
- Number of valves per cylinder: 4
- Valve operation: 2 overhead camshafts per cylinder bank (variably adjustable)
- Camshaft drive: duplex roller chain
- Injection system (location): cylinder direct
- Injection pump / injection system (type): spray-guided gasoline direct injection with piezo-controlled injectors
- Injection pump (type): high-pressure pump
- Coolant / filling quantity with heating: 8.4 l
- Oil change quantity (with filter): 6.5 l
- On-board power supply voltage: 14 v
- Generator: three-phase AC / 2100 W
- Ignition system: direct coil ignition
- Fuel tank capacity/of which reserve: 66 / 8.0 l
- Fuel tank (location): in front of rear axle
- Front-wheel suspension (type): independent suspension
- Front axle: multi-link independent suspension
- Rear-wheel suspension (type): independent suspension
- Rear axle: multi-link independent suspension
- Suspension front / rear: coil spring, twin-tube gas pressure shock absorber with SDD, torsion bar stabilizer / coil spring, single-tube gas pressure damper with SDD, torsion bar stabilizer
- Steering (type): rack-and-pinion
- Steering assistance: hydraulically assisted
- Brakes front: discs, internally ventilated
- Rear brakes: discs, internally ventilated
- Front brake caliper: floating caliper
- Rear brake caliper: floating caliper
- Disc or drum diameter front : 322 mm
- Disc or drum diameter rear: 300 mm
- Parking brake (actuation): mechanically, foot-operated parking brake (manual release)
- Front rims: 7.5 J x 17
- Rear rims: 7.5 J x 17
- Front tyres: 225/45 R17
- Rear tyres: 225/45 R17
- Drive: permanent all-wheel drive, controlled via electronic traction system 4ETS
- All-wheel torque distribution front / rear: 45 % in front / 55 % rear
- Transmission: automatic
- Gearbox type designation: 7G-TRONIC PLUS
- Availability: as standard
- Clutch: hydraulic torque converter with lock-up clutch (governed)
- Gearbox design: epicyclic gear system
- Transmission control: hydraulic
- Forward gears (total): 7
- Gear ratio: I. 4.38; II. 2.86; III. 1.92; IV. 1.37; V. 1.00; VI. 0.82; VII. 0.73; R. 3.42
- Axle drive ratio: 2.87
- Maximum speed: 250 km/h (electronically limited)
- Acceleration 0-100 kpm: 6.0 s
- Fuel consumption urban / extra-urban / combined (according to the respectively valid measurement and calculation methods): 10.0-10.1 / 5.9-6.1 / 7.4-7.6 l per 100 km (premium petrol)
- Wheelbase: 2760 mm
- Front track gauge: 1531 mm
- Rear track gauge: 1531 mm
- Vehicle length: 4591 mm
- Vehicle width: 1770 mm
- Vehicle height: 1448 mm
- cW drag coefficient: 0.28
- Turning circle diameter: 10.84 m
- Unladen weight (according to the respectively valid measurement or calculation methods): 1670 kg
- Permissible total weight: 2185 kg
- Permissible axle load front: 1075 kg
- Permissible axle load rear: 1140 kg
- Payload: 515 kg
- Permissible trailer load unbraked / braked: 750 / 1800 kg
- Units produced: 5,876
- Prices: 04.2011: EUR 48,909.00
04.2012: EUR 49,266.00
04.2013: EUR 49,682.50