Mercedes-Benz SLK I

The Mercedes-Benz SLK I (1996–2004): dimensions, weights, reliability and the official figures of its 27 versions in the United Kingdom, the United States, and Canada.
Model codes: R170
Dimensions, weights and capacity
| Specification | Europe | North America | Wikipedia |
|---|---|---|---|
| Dimensions | |||
| Length | 4,000–4,010 mm RDW | – | 3,995–4,010 mm |
| Width | 1,710–1,740 mm RDW | – | 1,715 mm |
| Height | 1,260–1,270 mm RDW | – | 1,269–1,284 mm |
| Wheelbase | 2,400–2,430 mm RDW | – | 2,400 mm |
| Front track | 1,488–1,492 mm ASTRA | – | – |
| Rear track | 1,471–1,485 mm ASTRA | – | – |
| Weights and towing | |||
| Kerb weight | 1,170–1,325 kg RDW | – | 1,270–1,495 kg |
| Mass in running order | 1,270–1,425 kg RDW | – | – |
| Gross vehicle weight | 1,530–1,705 kg RDW | – | – |
| Towing, braked trailer | 800–1,625 kg RDW | – | – |
| Towing, unbraked trailer | 625–675 kg RDW | – | – |
| Seats and space | |||
| Seats | 2 RDW | – | – |
| Doors | 2 RDW | – | – |
| Boot space | – | – | 145 L |
| Luggage space (EPA) | – | 283 L EPA | – |
| Passenger space (EPA) | – | 1,359 L EPA | – |
| Performance | |||
| Top speed | 208–242 km/h RDW | – | 203–250 km/h |
| 0–100 km/h | – | – | 5.2–9.7 s |
| Torque | 190–450 Nm ASTRA | – | 190–420 Nm |
Tyre sizes (most common first): 225/45R17, 245/40R17, 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), Wikipedia (en, de), ASTRA type approvals (Switzerland), US EPA fuel economy data, Traficom type approvals (Finland). Wikipedia figures are used under CC BY-SA 4.0.
Reliability and owner reports
UK MOT: first-time pass rate by age
| Age at test | Pass rate | UK average | Tests |
|---|---|---|---|
| 13 years and older | 75.7% (75.3–76.1) | 69.2% | 40,535 |
What the MOT finds
| Area | This model | UK average, same ages |
|---|---|---|
| Brakes | 36.2% | 36.4% |
| Suspension | 31.4% | 41.6% |
| Tyres | 27.3% | 31.2% |
| Lights and electrics | 26.0% | 28.8% |
| Noise, emissions and leaks | 14.6% | 17.1% |
| Body, chassis and structure | 11.0% | 18.6% |
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)
266 complaints for model years 1998–2004. 6 crashes · 6 fires · 8 injuries
- Lights 76
- Electrical system 38
- Visibility and wipers 36
- Brakes 29
- Stability control 26
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 27 versions of the Mercedes-Benz SLK I
Show all 27 versions
United Kingdom 13 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 |
|---|---|---|---|---|---|
| 2001–2004SLK 200 Kompressor | 2.0 L | Petrol | 6-speed manual | 9.9 L/100 km NEDC | 237 g/km |
| 2001–2004SLK 200 Kompressor | 2.0 L | Petrol | 5-speed automatic | 9.6 L/100 km NEDC | 230–235 g/km |
| 2001–2004SLK 230 Kompressor | 2.3 L | Petrol | 5-speed automatic | 9.8 L/100 km NEDC | 235 g/km |
| 2001–2004SLK 230 Kompressor | 2.3 L | Petrol | 6-speed manual | 10.1 L/100 km NEDC | 241 g/km |
| 2001–2004SLK 320 | 3.2 L | Petrol | 5-speed automatic | 10.6 L/100 km NEDC | 254 g/km |
| 2001–2004SLK 320 | 3.2 L | Petrol | 6-speed manual | 11.4 L/100 km NEDC | 274 g/km |
| 2002–2004SLK 32 AMG | 3.2 L | Petrol | 5-speed automatic | 11.2 L/100 km NEDC | 268 g/km |
| 2000SLK 200 Kompressor Coupé/Roadster | 2.0 L | Petrol | 5-speed automatic | 9.2 L/100 km NEDC | 225 g/km |
| 2000SLK 200 Kompressor Coupé/Roadster | 2.0 L | Petrol | 6-speed manual | 9.6 L/100 km NEDC | 231 g/km |
| 2000SLK 230 Kompressor Coupé/Roadster | 2.3 L | Petrol | 5-speed automatic | 9.4 L/100 km NEDC | 225 g/km |
| 2000SLK 230 Kompressor Coupé/Roadster | 2.3 L | Petrol | 6-speed manual | 9.8 L/100 km NEDC | 237 g/km |
| 2000SLK 320 Coupé/Roadster | 3.2 L | Petrol | 5-speed automatic | 10.4 L/100 km NEDC | 245 g/km |
| 2000SLK 320 Coupé/Roadster | 3.2 L | Petrol | 6-speed manual | 11.1 L/100 km NEDC | 267 g/km |
United States 7 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 |
|---|---|---|---|---|---|---|
| 1999–2004EMS 2MODE CLKUP | 2.3 L | Petrol | 5-speed automatic | Rear-wheel drive | 22 MPG (10.7 L/100 km) EPA | 251 g/km |
| 2001–2004EMS | 2.3 L | Petrol | 6-speed manual | Rear-wheel drive | 20–21 MPG (11.2–11.8 L/100 km) EPA | 263–276 g/km |
| 2002–2004EMS 2MODE CLKUP | 3.2 L | Petrol | 5-speed automatic | Rear-wheel drive | 17–20 MPG (11.8–13.8 L/100 km) EPA | 276–325 g/km |
| 2001–2004EMS | 3.2 L | Petrol | 6-speed manual | Rear-wheel drive | 18–19 MPG (12.4–13.1 L/100 km) EPA | 291–307 g/km |
| 2001–2002EMS 2MODE · EMS 2MODE CLKUP | 2.3 L | Petrol | 5-speed automatic | Rear-wheel drive | 23 MPG (10.2 L/100 km) EPA | 240 g/km |
| 2001EMS 2MODE | 3.2 L | Petrol | 5-speed automatic | Rear-wheel drive | 21 MPG (11.2 L/100 km) EPA | 263 g/km |
| 1999–2000EMS | 2.3 L | Petrol | 5-speed manual | Rear-wheel drive | 22 MPG (10.7 L/100 km) EPA | 251 g/km |
Canada 7 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 |
|---|---|---|---|---|---|
| 1998–2004Two-seater | 2.3 L | Petrol | 5-speed automatic | 10.3–10.9 L/100 km 5-cycle | 237–251 g/km |
| 2001–2004Two-seater | 2.3 L | Petrol | 6-speed manual | 11.0–11.7 L/100 km 5-cycle | 253–269 g/km |
| 2001–2004Two-seater | 3.2 L | Petrol | 5-speed automatic | 11.3–13.6 L/100 km 5-cycle | 260–313 g/km |
| 2001–2004Two-seater | 3.2 L | Petrol | 6-speed manual | 12.3–12.9 L/100 km 5-cycle | 283–297 g/km |
| 2000Subcompact | 2.3 L | Petrol | 5-speed automatic | 10.5 L/100 km 5-cycle | 242 g/km |
| 2000Subcompact | 2.3 L | Petrol | 5-speed manual | 10.7 L/100 km 5-cycle | 246 g/km |
| 1999Two-seater | 2.3 L | Petrol | 5-speed manual | 10.8 L/100 km 5-cycle | 248 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.





