SLK-Class Roadster: technical data

Engine and performance
Cylinder arrangement/number
R4
V6
Total displacement (cc)
1796
3498
Rated output (kW at rpm)
135/5250
225/6500
Rated torque (Nm at rpm)
270/1800–4600
370/3500
Compression ratio
9.3 : 1
12.0 : 1
Acceleration 0–100 km/h (s)
7.0
5.6
Top speed (km/h)
237
250, electr. limited
Power transmission
Drive system
Rear drive
Rear drive
Transmissions
7G-TRONIC PLUS
7G-TRONIC PLUS
Mechanical transmission ratios
–
Automatic transmission ratios
4.38/2.86/1.92/1.37/1.00/0.82/0.73/R1 3.42/R2 2.23
4.38/2.86/1.92/1.37/1.00/0.82/0.73/R1 3.42/R2 2.23
Final drive transmission ratio
3.07
3.07
Fuel and consumption
Tank capacity/with reserve (l)
60/8
60/8
Fuel consumption, urban (l/100km)
8.3–8.6
9.9
Fuel consumption, extra-urban (l/100km)
4.9–5.3
5.5
Fuel consumption combined (l/100km)
6.1–6.5
7.1
CO2 emissions (g/km) combined
142–151
167
Cd value
0.30
0.33
Emission class
Euro 5
Euro 5
Chassis (standard) and wheels
Front axle
Multi-link
Multi-link
Rear axle
Multi-link rear suspension
Multi-link rear suspension
Suspension, front/rear
Coil spring, twin-tube gas-filled/coil spring, single-tube gas-filled
Coil spring, twin-tube gas-filled/coil spring, single-tube gas-filled
Front tyres/wheels
205/55 R 16
225/45 R 17
Rear tyres/wheels
205/55 R 16
245/40 R 17
Steering
Rack-and-pinion steering system without hydraulic power-steering control
Rack-and-pinion steering system without hydraulic power-steering control
Front brake
Discs, internally ventilated
Discs, internally ventilated
Rear brakes
Discs, solid
Discs, solid
Dimensions and weights
Kerb weight/payload capacity (kg)
1470/315
1540/315
Perm. GVW (kg)
1785
1855
Maximum roof load (kg)
N/A
N/A
Boot capacity (VDA) (I)
225–335
225–335
Turning circle (m)
10.52
10.52
Permitted towing capacity unbraked/braked (kg)
–
–

Changes may have been made to the technical data since the publication date of 25 May 2011.

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