MERCEDES ML (2015)
Running costs, reliability data, and common problems from 6,912 real MOT tests.
Annual Cost
£2,757
£230/month
MOT Pass Rate
89%
Good
Road Tax
£760
Based on CC/year
Insurance
Grp 35-50
3498cc Petrol
Solid Option
89% pass rate, £2757/year to run. 7 points above average.
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Annual Running Costs
~30 mpg
Based on 3498cc
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 11 years old, 89% of MERCEDES MLs from 2015 passed their MOT first time in 2026. That's based on 6,912 tests across the UK. The average mileage at this age is 79,271 miles.
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How Does It Compare?
Mileage Analysis
79,271
Average miles
81,400
Expected for age
The average 2015 MERCEDES ML has 79,271 miles on the clock, which is in line with the expected 81,400 miles for a 11-year-old car, suggesting normal everyday use.
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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 |
Similar Cars to Consider
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About the 2015 MERCEDES ML
The 2015 MERCEDES ML is a performance with a 3498cc petrol engine. 6,912 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.
With an average of 79,271 miles at 11 years old, MERCEDES ML owners drive about as much as the UK average.
2015 MERCEDES ML Fuel Costs
The 3498cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2015 MERCEDES ML?
Total estimated annual running cost is £2,757 (£230/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% 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 2015 MERCEDES ML
At 11 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. With 6,912 MOT tests in our data, there's strong statistical confidence in these figures.
Common Issues to Watch For
Based on the 2015 MERCEDES ML's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 11 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2015 MERCEDES ML stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES ML(2015) | 89% | £1592 | £760 | Grp 35-50 | £2757 |
| MERCEDES C(2016) | 88% | £1592 | £250 | Grp 35-50 | £2247-£510 |
| BMW 3 SERIES(2014) | 87% | £1592 | £250 | Grp 30-42 | £2247-£510 |
| BMW 5 SERIES(2017) | 90% | £1592 | £190 | Grp 30-42 | £2037-£720 |
| AUDI A6(2016) | 89% | £1592 | £250 | Grp 35-50 | £2247-£510 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Mercedes Models
Explore other Mercedes cars or similar models in the same category.
MERCEDES A
2019 · 1461cc Diesel
MERCEDES C
2017 · 1991cc Hybrid
MERCEDES A-CLASS
2017 · 1461cc Diesel
MERCEDES C
2016 · 3982cc Petrol
BMW 3 SERIES
2014 · 3000cc Petrol
BMW 5 SERIES
2017 · 2998cc Petrol
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