MERCEDES ML (2009)
Running costs, common problems, and reliability data based on 4,923 real MOT tests in 2024.
MOT Pass Rate
81%
Total Tests (2024)
4,923
Avg Mileage
121,081 mi
Est. Annual Cost
£1,900
Is the 2009 MERCEDES ML reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 15 years old, 81% of MERCEDES MLs from 2009 passed their MOT first time in 2024. That's based on 4,923 tests across the UK. The average mileage at this age is 121,081 miles.
How does the 2009 MERCEDES ML compare?
Mileage Analysis
The average 2009 MERCEDES ML has 121,081 miles on the clock, which is in line with the expected 111,000 miles for a 15-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 2009 sits between the two at 81%.
How much does a 2009 MERCEDES ML cost to run?
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 2009 MERCEDES ML
The 2009 MERCEDES ML is a performance with a 4966cc diesel engine. 4,923 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2009, the average MOT pass rate is 75%, and this model beats that benchmark.
With an average of 121,081 miles at 15 years old, MERCEDES ML owners drive about as much as the UK average.
2009 MERCEDES ML Fuel Costs
The 4966cc 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 2009 MERCEDES ML?
Total estimated annual running cost is £1,900 (£158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% 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 2009 MERCEDES ML
At 15 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 2009 MERCEDES ML
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- TOYOTA LANDCRUISER (2008) 79% pass rate (-2%) from 343 tests
- VOLKSWAGEN PHAETON (2009) 85% pass rate (+4%) from 193 tests