R 500 4MATIC lang, 2010 - 2013

Design name:
V 251 E 55 4-M
Type:
251.172
Production period:
03.2010 - 01.2013
Note on production period:
production start-up 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 273 E 55 / 273.963
Number of cylinders / arrangement:
8 / 90° V
Bore:
98.0 mm
Stroke:
90.5 mm
Displacement :
5461 cc
Compression ratio:
10.7
Rated power:
285 kW / 388 DIN/hp at 6000 rpm
Nominal torque:
530 Nm at 2800 - 4800 rpm
Number of valves per cylinder:
4
Valve operation:
2 overhead camshafts per cylinder bank (variably adjustable)
Camshaft drive:
intake camshafts via double roller chain, outlet camshafts via gearwheel engagement with intake camshafts
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
Oil change quantity (with filter):
9.0 l
On-board power supply voltage:
12 v
Generator:
three-phase AC
Ignition system:
electronic map-controlled 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 :
375 mm
Disc or drum diameter rear:
330 mm
Parking brake (actuation):
mechanically (foot-operated)
Front rims:
8.0 J x 19
Rear rims:
8.0 J x 19
Front tyres:
255/55 R 19
Rear tyres:
255/55 R 19
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
Transmission control:
electrohydraulic
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:
3.45 (front/rear)
Maximum speed:
250 km/h (electronically limited)
Acceleration 0-100 kpm:
6.3 s
Fuel consumption urban / extra-urban / combined (according to the respectively valid measurement and calculation methods):
18.6-18.8 / 10.0-10.2 / 13.2-13.4 l per 100 km (premium petrol)

Wheelbase:
3215 mm
Front track gauge:
1661 mm
Rear track gauge:
1651 mm
Vehicle length:
5157 mm
Vehicle width:
1922 mm
Vehicle height:
1666 mm
Turning circle diameter:
12.40 m
Unladen weight (according to the respectively valid measurement or calculation methods):
2265 kg
Permissible total weight:
2920 kg
Permissible axle load front:
1400 kg
Permissible axle load rear:
1660 kg
Payload:
655 kg
Permissible trailer load unbraked / braked:
750 / 2100 kg