SLK-Class Roadster: technical data

Engine and performance [1]
Cylinder arrangement/number R4 V6 V8
Displacement (cc) 1796 3498 5439
Rated output (kW at rpm) 135/5500 (135/5500) 224/6500 (224/6500) – (265/5750)
Rated torque (Nm at rpm) 250/2800–5000 (250/2800–5000) 360/4900 (360/4900) – (510/4000)
Compression ratio 8.5 : 1 11.7 : 1 11.0 : 1
Acceleration 0-100 km/h (s) 7.6 (7.9) 5.4 (5.4) – (4.9)
Top speed (km/h) 236 (232) 250, electr. limited (250, electr. limited) – (250, electr. limited)
Power transmission
Drive system Rear drive Rear drive Rear drive
Transmissions 6-speed manual transmission (5-speed automatic transmission w/Touchshift) 6-speed manual transmission (7G-TRONIC) – (AMG SPEEDSHIFT 7G-TRONIC)
Mechanical transmission ratios 4.46/2.61/1.72/1.25/1.00/0.84/R 4.06 4.46/ 2.61/ 1.72/ 1.25/ 1.00/ 0.84/ R 4.06 –
Automatic transmission ratios 3.95/2.42/1.49/1.00/0.83/R1 3.15/R2 1.93 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 3.27 (3.27) 3.07 (3.27) – (3.06)
Fuel and consumption [2]
Tank capacity/with reserve (l) 70/9 70/9 70/10
Fuel consumption, urban (l/100km) 11.0–11.2 (11.5–11.8) 14.5 (12.6) – (17.7)
Fuel consumption, extra-urban (l/100km) 5.7–6.0 (5.9–6.2) 7.0 (6.9) – (8.8)
Fuel consumption combined (l/100km) 7.7–7.9 (8.0–8.2) 9.7 (9.0) – (12.0)
CO2 emissions (g/km) combined 182–188 (190–196) 227 (209) – (288)
Cd value 0.32 0.34 N/A
Emission class EU4 (EU4) EU5 (EU5) – (EU 4)
Chassis (standard) and wheels
Front axle Multi-link Multi-link Multi-link
Rear axle Multi-link rear suspension 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 Coil spring, twin-tube gas-filled/coil spring, single-tube gas-filled
Front tyres/wheels 205/55 R16 225/45 R 17 225/40 R 18
Rear tyres/wheels 205/55 R16 245/40 R 17 245/35 R 18
Steering Rack-and-pinion steering system without hydraulic power-steering control Rack-and-pinion steering system without hydraulic power-steering control Rack-and-pinion steering system with hydraulic steering regulation
Front brake Discs, internally ventilated Discs, internally ventilated & perforated Discs, internally ventilated & perforated
Rear brakes Discs, solid Discs, solid Discs, internally ventilated
Dimensions and weights
Kerb weight/payload capacity (kg) [3] 1390/315 (1415/290) 1485/315 (1505/295) – (1575/275)
Perm. GVW (kg) 1705 (1705) 1800 (1800) – (1850)
Maximum roof load (kg) 50 50 50
Boot capacity (VDA) (I) 208–300 208–300 300
Turning circle (m) 10.51 10.51 10.51
Permitted towing capacity unbraked/braked (kg) – – –

Changes to the technical data may have been made since the publication date of 16 June 2010.

Figures in brackets apply to vehicles with automatic transmission

Download SLK technical data

Click on the link below to get technical data on the SLK. As well as specifications on the engine, performance and fuel consumption, this also includes data on power transmission, chassis, and weights and dimensions.

The technical data are available in PDF format. To view them, you will need Acrobat Reader from Adobe, available to download for free at www.adobe.com.

More information on official fuel consumption figures and official specific CO2 emissions for new passenger cars is provided in the publication "Leitfaden über den Kraftstoffverbrauch und die CO2-Emissionen neuer Personenkraftwagen" ["Guidelines on fuel consumption and CO2 emissions for new passenger cars"], which is available free of charge from all sales outlets and from Deutsche Automobil Treuhand GmbH.

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