R 500 4MATIC, 2005 - 2007

Design name:
W 251 E 50 4-M
Type:
251.075
Production period:
08.2004 / 11.2005 - 06.2007
Note on production period:
production start-up pre-production series / standard production - end of production
Structure:
Grand Sports Tourer
Number of doors:
5

Combustion principle:
four-stroke petrol engine
Exhaust-gas treatment:
catalytic converter
Arrangement:
front
Installation direction:
longitudinally; over axle
Engine designation / type:
M 113 E 50 / 113.971
Number of cylinders / arrangement:
8 / 90° V
Bore:
97,0 mm
Stroke:
84,0 mm
Displacement :
4966 cc
Compression ratio:
10.0
Rated power:
225 kW / 306 DIN/hp at 5600 rpm
Nominal torque:
460 Nm at 2700 - 4750 rpm
Number of valves per cylinder:
3
Valve operation:
1 overhead camshaft per cylinder bank
Camshaft drive:
duplex roller chain
Injection system (location):
intake duct
Injection pump / injection system (type):
microprocessor-controlled injection system with hot-film air-mass measurement
Injection pump (type):
electric delivery pump
Coolant / filling quantity with heating:
10.0 l
Oil change quantity (with filter):
8.5 l
On-board power supply voltage:
12 v
Battery capacity:
95 Ah
Generator:
three-phase AC / 2520 w
Ignition system:
electronic map-controlled phased twin-spark ignition
Fuel tank capacity/of which reserve:
80 / 13.0 l
Fuel tank (location):
in front of rear axle

Front-wheel suspension (type):
independent suspension
Front axle:
double-wishbone front axle
Rear-wheel suspension (type):
independent suspension
Rear axle:
four-link suspension
Suspension front / rear:
coil springs, single-tube gas pressure shock absorbers, torsion bar / air suspension, single-tube gas pressure shock absorbers, torsion bar
Steering (type):
rack-and-pinion
Steering assistance:
hydraulically assisted, speed-dependent
Brakes front:
discs, internally ventilated
Rear brakes:
discs, internally ventilated
Disc or drum diameter front :
350 mm
Disc or drum diameter rear:
330 mm
Parking brake (actuation):
mechanically (foot-operated)
Front rims:
8.0 J x 18
Rear rims:
8.0 J x 18
Front tyres:
255/55 R 18
Rear tyres:
255/55 R 18
Drive:
permanent all-wheel drive, controlled via electronic traction system 4ETS
All-wheel torque distribution front / rear:
50 % front / 50 % rear
Drivetrain:
from the transfer case (blocked with the main transmission) via cardan shafts to front and rear axle differential

Transmission:
automatic
Gearbox type designation:
7G-TRONIC
Availability:
as standard
Clutch:
hydraulic torque converter with lock-up clutch (governed)
Gearbox design:
planetary gear group
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:
3.70 (front/rear)
Maximum speed:
245 km/h
Acceleration 0-100 kpm:
6.9 s
Fuel consumption urban / extra-urban / combined (according to the respectively valid measurement and calculation methods):
18.6-19.5 / 10.1-10.6 / 13.3-13.9 l per 100 km (premium petrol)

Wheelbase:
2980 mm
Front track gauge:
1643 mm
Rear track gauge:
1636 mm
Vehicle length:
4922 mm
Vehicle width:
1922 mm
Vehicle height:
1661 mm
Turning circle diameter:
11.70 m
Unladen weight (according to the respectively valid measurement or calculation methods):
2190 kg
Permissible total weight:
2865 kg
Permissible axle load front:
1370 kg
Permissible axle load rear:
1600 kg
Payload:
675 kg
Permissible trailer load unbraked / braked:
750 / 2100 kg