Mercedes-Benz M-Class I

The Mercedes-Benz M-Class I (1997–2005): dimensions, weights, reliability and the official figures of its 23 versions in the United Kingdom, the United States, and Canada.
Model codes: W163
Dimensions, weights and capacity
| Specification | Europe | North America | Wikipedia |
|---|---|---|---|
| Dimensions | |||
| Length | 4,590–4,640 mm RDW | – | 4,587–4,638 mm |
| Width | 1,830–1,900 mm RDW | – | 1,834–1,895 mm |
| Height | 1,740–1,810 mm RDW | – | 1,760–1,821 mm |
| Wheelbase | 2,820 mm RDW | – | 2,819 mm |
| Front track | 1,535–1,565 mm ASTRA | – | – |
| Rear track | 1,535–1,565 mm ASTRA | – | – |
| Weights and towing | |||
| Kerb weight | 1,910–2,200 kg RDW | – | 2,093 kg |
| Mass in running order | 2,010–2,300 kg RDW | – | – |
| Gross vehicle weight | 2,650–2,870 kg RDW | – | – |
| Towing, braked trailer | 2,650–3,500 kg RDW | – | – |
| Towing, unbraked trailer | 750 kg RDW | – | – |
| Seats and space | |||
| Seats | 5–7 RDW | – | – |
| Doors | 4 RDW | – | – |
| Luggage space (EPA) | – | 934–1,161 L EPA | – |
| Passenger space (EPA) | – | 2,973 L EPA | – |
| Performance | |||
| Top speed | 183–240 km/h RDW | – | – |
| Torque | 220–560 Nm ASTRA | – | – |
Tyre sizes (most common first): 255/60R17, 275/55R17, 225/75R16, 255/65R16
Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: RDW type approvals (Netherlands), Wikipedia, 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 | 65.6% (64.9–66.3) | 69.2% | 17,729 |
What the MOT finds
| Area | This model | UK average, same ages |
|---|---|---|
| Brakes | 50.6% | 36.4% |
| Suspension | 47.4% | 41.6% |
| Lights and electrics | 42.7% | 28.8% |
| Noise, emissions and leaks | 36.9% | 17.1% |
| Tyres | 28.4% | 31.2% |
| Steering | 21.3% | 7.7% |
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)
1,035 complaints for model years 1998–2005. 73 crashes · 51 fires · 85 injuries
- Steering 184
- Brakes 147
- Engine 117
- Electrical system 91
- Stability control 82
- Speed control 67
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 23 versions of the Mercedes-Benz M-Class I
Show all 23 versions
United Kingdom 12 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 |
|---|---|---|---|---|---|
| 2002–2004ML 270 CDI | 2.7 L | Diesel | 6-speed manual | 9.4 L/100 km NEDC | 248 g/km |
| 2001–2004ML 270 CDI | 2.7 L | Diesel | 5-speed automatic | 9.5 L/100 km NEDC | 250 g/km |
| 2002–2004ML 320 | 3.2 L | Petrol | 5-speed automatic | 13.5 L/100 km NEDC | 324 g/km |
| 2003–2004ML 350 | 3.7 L | Petrol | 5-speed automatic | 12.7 L/100 km NEDC | 305 g/km |
| 2002–2004ML 400 CDI | 4.0 L | Diesel | 5-speed automatic | 10.9 L/100 km NEDC | 288 g/km |
| 2002–2004ML 500 | 5.0 L | Petrol | 5-speed automatic | 14.6 L/100 km NEDC | 350 g/km |
| 2002–2004ML 55 AMG | 5.4 L | Petrol | 5-speed automatic | 14.8 L/100 km NEDC | 354 g/km |
| 2000–2001ML 270 CDI Estate · ML 270 CDI | 2.7 L | Diesel | 6-speed manual | 9.4 L/100 km NEDC | 248 g/km |
| 2000–2001ML 320 Estate · ML 320 | 3.2 L | Petrol | 5-speed automatic | 13.8 L/100 km NEDC | 330 g/km |
| 2000–2001ML 430 Estate · ML 430 | 4.3 L | Petrol | 5-speed automatic | 13.9 L/100 km NEDC | 334 g/km |
| 2000–2001ML 55 AMG Estate · ML 55 AMG | 5.4 L | Petrol | 5-speed automatic | 14.4 L/100 km NEDC | 345 g/km |
| 2000ML 270 CDI Estate | 2.7 L | Diesel | 5-speed automatic | 9.5 L/100 km NEDC | 254 g/km |
United States 6 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 |
|---|---|---|---|---|---|---|
| 2003–2005EMS 2MODE CLKUP | 3.7 L | Petrol | 5-speed automatic | Four- or all-wheel drive | 15 MPG (15.7 L/100 km) EPA | 368 g/km |
| 2002–2005EMS 2MODE CLKUP | 5.0 L | Petrol | 5-speed automatic | Four- or all-wheel drive | 14 MPG (16.8 L/100 km) EPA | 394 g/km |
| 1999–2003EMS 2MODE CLKUP | 3.2 L | Petrol | 5-speed automatic | Four- or all-wheel drive | 15–17 MPG (13.8–15.7 L/100 km) EPA | 325–368 g/km |
| 2000–2003EMS 2MODE CLKUP | 5.5 L | Petrol | 5-speed automatic | Four- or all-wheel drive | 14 MPG (16.8 L/100 km) EPA | 394 g/km |
| 1999–2001EMS 2MODE CLKUP | 4.3 L | Petrol | 5-speed automatic | Four- or all-wheel drive | 15–16 MPG (14.7–15.7 L/100 km) EPA | 345–368 g/km |
| 1998EMS CLKUP | 3.2 L | Petrol | 5-speed automatic | Four- or all-wheel drive | 17 MPG (13.8 L/100 km) EPA | 325 g/km |
Canada 5 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 |
|---|---|---|---|---|---|
| 2004–2005Sport utility vehicle | 3.7 L | Petrol | 5-speed automatic | 15.8 L/100 km 5-cycle | 363 g/km |
| 2002–2005Sport utility vehicle | 5.0 L | Petrol | 5-speed automatic | 16.6–17.0 L/100 km 5-cycle | 382–391 g/km |
| 1998–2003Sport utility vehicle | 3.2 L | Petrol | 5-speed automatic | 14.0–15.4 L/100 km 5-cycle | 322–354 g/km |
| 2001–2002Sport utility vehicle | 5.5 L | Petrol | 5-speed automatic | 17.1 L/100 km 5-cycle | 393 g/km |
| 1999–2001Sport utility vehicle | 4.3 L | Petrol | 5-speed automatic | 14.8–15.7 L/100 km 5-cycle | 340–361 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.





