Mercedes-Benz SLK III

The Mercedes-Benz SLK III (2011–2016): dimensions, weights, reliability and the official figures of its 69 versions in the European Union, the United Kingdom, France, the United States, and Canada.
Model codes: R172
Dimensions, weights and capacity
| Specification | Europe | North America |
|---|---|---|
| Dimensions | ||
| Length | 4,140–4,150 mm RDW | 4,130 mm TC |
| Width | 1,810–1,820 mm RDW | 1,810 mm TC |
| Height | 1,290–1,310 mm RDW | 1,300 mm TC |
| Wheelbase | 2,430 mm RDW | 2,430 mm TC |
| Front track | 1,549–1,559 mm ASTRA | 1,560 mm TC |
| Rear track | 1,548–1,572 mm ASTRA | 1,570 mm TC |
| Weights and towing | ||
| Kerb weight | 1,335–1,440 kg RDW | 1,475–1,610 kg TC |
| Mass in running order | 1,435–1,540 kg RDW | – |
| Gross vehicle weight | 1,750–1,855 kg RDW | – |
| Seats and space | ||
| Seats | 2 RDW | – |
| Doors | 2 RDW | – |
| Performance | ||
| Top speed | 237–250 km/h RDW | – |
| Torque | 270–540 Nm ASTRA | – |
Tyre sizes (most common first): 225/40R18, 225/45R17, 245/40R17, 245/35R18, 205/55R16, 225/50R16
Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: RDW type approvals (Netherlands), Transport Canada vehicle specifications, ASTRA type approvals (Switzerland), Traficom type approvals (Finland).
Reliability and owner reports
UK MOT: first-time pass rate by age
| Age at test | Pass rate | UK average | Tests |
|---|---|---|---|
| 6–8 years | 88.7% (88.2–89.1) | 86.4% | 17,335 |
| 9–12 years | 82.8% (82.4–83.2) | 77.9% | 42,192 |
What the MOT finds
| Area | This model | UK average, same ages |
|---|---|---|
| Tyres | 28.8% | 30.3% |
| Brakes | 18.1% | 25.5% |
| Suspension | 16.3% | 23.1% |
| Lights and electrics | 4.2% | 14.9% |
| Visibility (glass, mirrors, wipers) | 3.7% | 7.9% |
| Wheels | 1.9% | 0.7% |
First MOT test of each car per year in 2022–2024, from the DVSA’s anonymised test results; only ages with at least 500 tests are shown. The figure in brackets is the 95% confidence interval; green or red means clearly above or below the UK average. The second table shows how often an item was noted (defect or advisory) in each area, against the UK average for cars of the same ages. DVSA anonymised MOT tests (Open Government Licence)
Owner complaints to NHTSA (US)
30 complaints for model years 2012–2016. 1 injury
Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints
All 69 versions of the Mercedes-Benz SLK III
Show all 69 versions
European Union 14 versions
New cars registered in the EU (plus Norway and Iceland), from the European Environment Agency. Figures on the NEDC procedure until 2020 and on WLTP from 2021; versions are grouped by engine and power, with their number of registrations.
| Years and version | Engine | Power | Fuel | CO₂ | EU registrations |
|---|---|---|---|---|---|
| 2011–2017 | 3.5 L | 225 kW (306 PS) | Petrol | 167 g/km | 7,875 |
| 2011–2016 | 5.5 L | 310 kW (421 PS) | Petrol | 195 g/km | 2,761 |
| 2015–2016 | 2.0 L | 135 kW (184 PS) | Petrol | 143–144 g/km | 4,876 |
| 2011–2016 | 2.1 L | 150 kW (204 PS) | Diesel | 129–131 g/km | 40,239 |
| 2015–2016 | 2.0 L | 180 kW (245 PS) | Petrol | 139–140 g/km | 532 |
| 2011–2016 | 1.8 L | 135 kW (184 PS) | Petrol | 151–155 g/km | 65,626 |
| 2011–2016 | 1.8 L | 150 kW (204 PS) | Petrol | 153–157 g/km | 7,931 |
| 2013 | 1.8 L | – | Other fuel | 154 g/km | 190 |
| 2013 | 2.1 L | – | Other fuel | 130 g/km | 80 |
| 2013 | 3.5 L | – | Other fuel | 167 g/km | 16 |
| 2011–2012 | – | – | Petrol | 152–166 g/km | 190 |
| 2011 | 3.0 L | 170 kW (231 PS) | Petrol | 209 g/km | 116 |
| 2011 | 3.5 L | 224 kW (305 PS) | Petrol | 214 g/km | 16 |
| 2011 | 1.8 L | 120 kW (163 PS) | Petrol | 218 g/km | 14 |
United Kingdom 26 versions
New cars on sale in the UK, from the Vehicle Certification Agency. NEDC figures until 2018 and WLTP figures after; years are the editions a version appeared in.
| Years and version | Engine | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|
| 2016SLK 200 with 18'' rear wheels | 2.0 L | Petrol | 9-speed automatic | 5.9 L/100 km NEDC | 137 g/km |
| 2016SLK 200 with 18'' rear wheels | 2.0 L | Petrol | 6-speed manual | 6.5 L/100 km NEDC | 150 g/km |
| 2016SLK 300 with 18'' rear wheels | 2.0 L | Petrol | 9-speed automatic | 6.0 L/100 km NEDC | 138 g/km |
| 2015–2016SLK 250 d with 17'' & 18'' rear wheels ECO Start/Stop · SLK 250 d with 17'' & 18'' rear wheels | 2.1 L | Diesel | 9-speed automatic | 4.4 L/100 km NEDC | 114 g/km |
| 2015–2016SLK 55 AMG with 18" rear wheels · AMG SLK 55 with 20'' rear wheels | 5.5 L | Petrol | 7-speed automatic | 8.4 L/100 km NEDC | 195 g/km |
| 2015SLK 200 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | 7-speed automatic | 6.5 L/100 km NEDC | 151 g/km |
| 2015SLK 200 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | 6-speed manual | 6.8 L/100 km NEDC | 158 g/km |
| 2015SLK 250 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | 7-speed automatic | 6.6 L/100 km NEDC | 153 g/km |
| 2015SLK 250 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | 6-speed manual | 7.3 L/100 km NEDC | 169 g/km |
| 2015SLK 250 CDI with 17" & 18" rear wheels ECO Start/Stop | 2.1 L | Diesel | 7-speed automatic | 5.0 L/100 km NEDC | 132 g/km |
| 2015SLK 350 with 17" & 18" rear wheels ECO Start/Stop | 3.5 L | Petrol | 7-speed automatic | 7.1 L/100 km NEDC | 167 g/km |
| 2013–2014SLK 200 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | Automatic | 6.5 L/100 km NEDC | 151 g/km |
| 2013–2014SLK 200 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | Manual | 6.8 L/100 km NEDC | 158 g/km |
| 2013–2014SLK 250 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | Automatic | 6.6 L/100 km NEDC | 153 g/km |
| 2013–2014SLK 250 with 17" & 18" rear wheels ECO Start/Stop | 1.8 L | Petrol | Manual | 7.3 L/100 km NEDC | 169 g/km |
| 2013–2014SLK 250 CDI with 17" & 18" rear wheels ECO Start/Stop | 2.1 L | Diesel | Automatic | 5.0 L/100 km NEDC | 132 g/km |
| 2013–2014SLK 350 with 17" & 18" rear wheels ECO Start/Stop | 3.5 L | Petrol | Automatic | 7.1 L/100 km NEDC | 167 g/km |
| 2013–2014SLK 55 AMG with 18" rear wheels | 5.5 L | Petrol | Automatic | 8.4 L/100 km NEDC | 195 g/km |
| 2012SLK 200 with 16 inch rear wheels ECO Start/Stop | 1.8 L | Petrol | 6-speed manual | 6.6 L/100 km NEDC | 154 g/km |
| 2012SLK 200 with 17 inch & 18 inch rear wheels ECO Start/Stop | 1.8 L | Petrol | 7-speed automatic | 6.5 L/100 km NEDC | 151 g/km |
| 2012SLK 200 with 17 inch & 18 inch rear wheels ECO Start/Stop | 1.8 L | Petrol | 6-speed manual | 6.8 L/100 km NEDC | 158 g/km |
| 2012SLK 250 with 17 inch & 18 inch rear wheels ECO Start/Stop | 1.8 L | Petrol | 7-speed automatic | 6.6 L/100 km NEDC | 153 g/km |
| 2012SLK 250 with 17 inch & 18 inch rear wheels ECO Start/Stop | 1.8 L | Petrol | 6-speed manual | 7.3 L/100 km NEDC | 169 g/km |
| 2012SLK 250 CDI with 17 inch & 18 inch rear wheels ECO Start/Stop | 2.1 L | Diesel | 7-speed automatic | 5.0 L/100 km NEDC | 132 g/km |
| 2012SLK 350 with 17 inch & 18 inch rear wheels ECO Start/Stop | 3.5 L | Petrol | 7-speed automatic | 7.1 L/100 km NEDC | 167 g/km |
| 2012SLK 55 AMG with 18 inch rear wheels | 5.5 L | Petrol | 7-speed automatic | 8.4 L/100 km NEDC | 195 g/km |
France 11 versions
New cars on sale in France, from ADEME Car Labelling. NEDC figures until 2015, WLTP figures in the current catalogue.
| Years and version | Engine | Power | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 2012–2015SLK 200 BVM6 | – | 135 kW (184 PS) | Petrol | 6-speed manual | 6.4–6.8 L/100 km NEDC | 149–158 g/km |
| 2012–2015SLK 200 BVA7 | – | 135 kW (184 PS) | Petrol | 7-speed automatic | 6.1–6.5 L/100 km NEDC | 142–151 g/km |
| 2012–2015SLK 250 BVA7 | – | 150 kW (204 PS) | Petrol | 7-speed automatic | 6.2–6.6 L/100 km NEDC | 144–153 g/km |
| 2012–2015SLK 250 CDI BVA7 FAP | – | 150 kW (204 PS) | Diesel | 7-speed automatic | 4.9–5.0 L/100 km NEDC | 128–132 g/km |
| 2012–2015SLK 250 BVM6 | – | 150 kW (204 PS) | Petrol | 6-speed manual | 6.9–7.3 L/100 km NEDC | 160–169 g/km |
| 2012–2015SLK 250 CDI BVM6 FAP | – | 150 kW (204 PS) | Diesel | 6-speed manual | 4.8–5.0 L/100 km NEDC | 124–129 g/km |
| 2015SLK 350 BVA7 | – | 225 kW (306 PS) | Petrol | 7-speed automatic | 7.1 L/100 km NEDC | 167 g/km |
| 2012–2015SLK 55 AMG BVA7 | – | 310 kW (421 PS) | Petrol | 7-speed automatic | 8.4 L/100 km NEDC | 195 g/km |
| 2014SLK 350 BE BVA7 · SLK 350 BVA7 | – | 225 kW (306 PS) | Petrol | 7-speed automatic | 7.1 L/100 km NEDC | 167 g/km |
| 2012–2013SLK 250 CDI BVM6 FAP · SLK 250 CDI BVA7 FAP | – | 150 kW (204 PS) | Diesel | 6-speed manual | 5.0 L/100 km NEDC | 129 g/km |
| 2012–2013SLK 350 BVA7 · SLK 350 BE BVA7 | – | 225 kW (306 PS) | Petrol | 7-speed automatic | 7.1 L/100 km NEDC | 167 g/km |
United States 9 versions
Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.
| Years and version | Engine | Fuel | Gearbox | Drive | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 2016SIDI | 2.0 L | Petrol | 9-speed automatic | Rear-wheel drive | 27 MPG (8.7 L/100 km) EPA | 202 g/km |
| 2012–2016SIDI | 3.5 L | Petrol | 7-speed automatic | Rear-wheel drive | 23–24 MPG (9.8–10.2 L/100 km) EPA | 229–240 g/km |
| 2012–2016SIDI | 5.5 L | Petrol | 7-speed automatic | Rear-wheel drive | 22 MPG (10.7 L/100 km) EPA | 249–251 g/km |
| 2012–2015SIDI | 1.8 L | Petrol | 6-speed manual | Rear-wheel drive | 26 MPG (9.0 L/100 km) EPA | 212–215 g/km |
| 2012–2015SIDI | 1.8 L | Petrol | 7-speed automatic | Rear-wheel drive | 26 MPG (9.0 L/100 km) EPA | 212–213 g/km |
| 2011 | 3.0 L | Petrol | 7-speed automatic | Rear-wheel drive | 21 MPG (11.2 L/100 km) EPA | 263 g/km |
| 2011 | 3.0 L | Petrol | 6-speed manual | Rear-wheel drive | 20 MPG (11.8 L/100 km) EPA | 276 g/km |
| 2011 | 3.5 L | Petrol | 6-speed manual | Rear-wheel drive | 20 MPG (11.8 L/100 km) EPA | 276 g/km |
| 2011 | 3.5 L | Petrol | 7-speed automatic | Rear-wheel drive | 21 MPG (11.2 L/100 km) EPA | 263 g/km |
Canada 9 versions
Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).
| Years and version | Engine | Fuel | Gearbox | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|
| 2016Two-seater | 2.0 L | Petrol | 9-speed automatic | 8.5 L/100 km 5-cycle | 199 g/km |
| 2011–2016Two-seater | 3.5 L | Petrol | 7-speed automatic | 9.7–11.1 L/100 km 5-cycle | 223–255 g/km |
| 2012–2016Two-seater | 5.5 L | Petrol | 7-speed automatic | 10.6–10.7 L/100 km 5-cycle | 244–252 g/km |
| 2012–2015Two-seater | 1.8 L | Petrol | 7-speed automatic | 8.9–9.0 L/100 km 5-cycle | 205–207 g/km |
| 2013–2015Two-seater | 1.8 L | Petrol | 6-speed manual | 9.0 L/100 km 5-cycle | 207 g/km |
| 2012Two-seater | 1.8 L | Petrol | 6-speed automatic | 9.0 L/100 km 5-cycle | 207 g/km |
| 2011Two-seater | 3.0 L | Petrol | 7-speed automatic | 11.0 L/100 km 5-cycle | 253 g/km |
| 2011Two-seater | 3.0 L | Petrol | 6-speed manual | 11.5 L/100 km 5-cycle | 265 g/km |
| 2011Two-seater | 3.5 L | Petrol | 6-speed manual | 11.5 L/100 km 5-cycle | 265 g/km |
Similar models from other brands
Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.





