MERCEDES ML (2004)
Running costs, common problems, and reliability data based on 2,584 real MOT tests in 2024.
MOT Pass Rate
73%
Total Tests (2024)
2,584
Avg Mileage
130,231 mi
Est. Annual Cost
£2,050
Is the 2004 MERCEDES ML reliable?
Average reliability. Expect some repairs as it ages. That's 9 points below the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 20 years old, 73% of MERCEDES MLs from 2004 passed their MOT first time in 2024. That's based on 2,584 tests across the UK. The average mileage at this age is 130,231 miles.
How does the 2004 MERCEDES ML compare?
Mileage Analysis
The average 2004 MERCEDES ML has 130,231 miles on the clock, which is in line with the expected 148,000 miles for a 20-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES ML?
The most reliable year is the 2015 model with a 89% MOT pass rate, while the 1998 model has the lowest at 72%. The 2004 sits between the two at 73%.
How much does a 2004 MERCEDES ML cost to run?
Higher than average due to low pass rate
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES ML by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2015 | 89% | 6,912 | 79,271 mi |
| 2014 | 88% | 8,494 | 86,775 mi |
| 2013 | 88% | 9,487 | 96,900 mi |
| 2012 | 86% | 5,231 | 100,705 mi |
| 2011 | 82% | 6,382 | 109,233 mi |
| 2010 | 82% | 6,104 | 116,332 mi |
| 2009 | 81% | 4,923 | 121,081 mi |
| 2008 | 82% | 5,355 | 127,187 mi |
| 2007 | 81% | 5,024 | 130,037 mi |
| 2006 | 80% | 3,946 | 131,218 mi |
| 2005 | 75% | 2,047 | 126,634 mi |
| 2004 | 73% | 2,584 | 130,231 mi |
| 2003 | 74% | 1,905 | 129,634 mi |
| 2002 | 77% | 1,756 | 132,786 mi |
| 2001 | 77% | 1,002 | 134,405 mi |
| 2000 | 73% | 850 | 136,667 mi |
| 1999 | 74% | 615 | 133,164 mi |
| 1998 | 72% | 58 | 119,333 mi |
Checking a specific MERCEDES ML?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2004 MERCEDES ML
The 2004 MERCEDES ML is a large car with a 2685cc diesel engine. 2,584 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2004, the average MOT pass rate is 72%, and this model beats that benchmark.
With an average of 130,231 miles at 20 years old, MERCEDES ML owners drive about as much as the UK average.
2004 MERCEDES ML Fuel Costs
The 2685cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2004 MERCEDES ML?
Total estimated annual running cost is £2,050 (£171/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 73% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES ML Reliability Trend
Newer MERCEDES MLs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2004 MERCEDES ML
At 20 years old, the MERCEDES ML is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2015 model has the highest pass rate at 89%.
Alternatives to the 2004 MERCEDES ML
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- HONDA CIVIC (2006) 71% pass rate (-2%) from 28,045 tests
- BMW 3 SERIES (2005) 78% pass rate (+5%) from 24,924 tests
- VOLKSWAGEN TRANSPORTER (2006) 73% pass rate (same) from 23,355 tests
- LAND ROVER DISCOVERY (2006) 78% pass rate (+5%) from 17,245 tests