SLK 280, 2005 - 2008

Design name:
R 171 E 30
Type:
171.454
Production period:
06.2004 / 04.2005 - 01.2008
Note on production period:
production start-up pre-production series / standard production - end of production
Structure:
Roadster
Number of doors:
2

Combustion principle:
four-stroke petrol engine
Exhaust-gas treatment:
catalytic converter
Arrangement:
front
Installation direction:
longitudinally; over axle
Engine designation / type:
M 272 E 30 / 272.942
Number of cylinders / arrangement:
6 / 90° V
Bore:
88.0 mm
Stroke:
82.1 mm
Displacement :
2996 cc
Compression ratio:
11.1
Rated power:
170 kW / 231 DIN/hp at 6000 rpm
Nominal torque:
300 Nm at 2400 - 5000 rpm
Number of valves per cylinder:
4
Valve operation:
2 overhead camshafts per cylinder bank (variably adjustable)
Camshaft drive:
intake camshafts via duplex 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
Coolant / filling quantity with heating:
9.8 l
Oil change quantity (with filter):
8.0 l
On-board power supply voltage:
12 v
Battery capacity:
62 Ah
Generator:
three-phase AC / 2100 w
Ignition system:
electronic mapped ignition
Fuel tank capacity/of which reserve:
70 / 9.0 l
Fuel tank (location):
above the rear axle

Front-wheel suspension (type):
independent suspension
Front axle:
three-link suspension
Rear-wheel suspension (type):
independent suspension
Rear axle:
multi-link suspension
Suspension front / rear:
McPherson strut with twin-tube gas pressure shock absorbers, torsion bar / coil springs, single-tube gas pressure shock absorbers, torsion bar
Steering (type):
rack-and-pinion
Steering assistance:
hydraulically assisted
Brakes front:
discs, internally ventilated
Rear brakes:
discs, solid
Disc or drum diameter front :
330 mm
Disc or drum diameter rear:
290 mm
Parking brake (actuation):
mechanically (manually operated)
Front rims:
7.0 J x 16
Rear rims:
8.0 J x 16
Front tyres:
205/55 R 16
Rear tyres:
225/50 R 16
Drive:
rear wheel drive

Transmission:
manual
Availability:
as standard
Clutch:
dry single-disc clutch
Gearbox design:
change-speed gear
Transmission control:
manual with linkage
Forward gears (total):
6
Gear ratio:
I. 4.46; II. 2.61; III. 1.72; IV. 1.25; V. 1.0; VI. 0.84; R. 4.06
Axle drive ratio:
3.27
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):
13.8-14.0 / 7.2-7.4 / 9.7-9.9 l per 100 km (premium petrol)

Transmission:
automatic
Gearbox type designation:
7G-TRONIC
Availability:
optional
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. 1.0; VI. 0.82; VII. 0.73; R. 3.41
Axle drive ratio:
3.27
Maximum speed:
250 km/h (electronically limited)
Acceleration 0-100 kpm:
6.2 s
Fuel consumption urban / extra-urban / combined (according to the respectively valid measurement and calculation methods):
12.9-13.1 / 7.0-7.2 / 9.3-9.5 l per 100 km (premium petrol)

Wheelbase:
2430 mm
Front track gauge:
1526 mm
Rear track gauge:
1549 mm
Vehicle length:
4089 mm
Vehicle width:
1788 mm
Vehicle height:
1298 mm
Turning circle diameter:
10.51 m
Unladen weight (according to the respectively valid measurement or calculation methods):
1440 kg
Permissible total weight:
1755 kg
Permissible axle load front:
890 kg
Permissible axle load rear:
935 kg
Payload:
315 kg