Mercedes ML (2015)

Estimated running costs and MOT pass rates from 6,912 MOT tests in 2024.

Annual Cost

£3,153

£263/month

MOT Pass Rate

89%

Good

Road Tax

£790

Estimated/year

Est. Insurance

Grp 35-50

3498cc Petrol

Solid Option

89% pass rate, £3,153/year to run. 7 points above average.

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Petrol3498cc11 years old6,912 tests79k miles avg

Annual Running Costs

Fuel (Petrol, 3498cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£790

MOT Test

£55

Predicted Repairs

£350

Total per year£3,153

Per month£263/mo

Per week£61/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

89% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's 7 points above the average of 82% across all models in our data.

89% of MOT tests on Mercedes MLs from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 6,912 tests across the UK, retests included. The average mileage recorded at those tests was 79,271 miles.

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How Does It Compare?

Rank among 2015 models161st of 515(top half)

Rank among Mercedes models676th of 1,376(top half)

vs average of all models+7%(82% avg)

vs 2015 models average+6%(83% avg)

vs Mercedes average+2%(87% avg)

Mileage Analysis

79,271

Average miles

66,600

Expected for age

The average 2015 Mercedes ML had 79,271 miles on the clock at its 2024 MOT, which is in line with the expected 66,600 miles for a 9-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

Mercedes C

2016 · 3982cc Petrol

£3,153/year

88%

-1%

BMW 3 Series

2014 · 3000cc Petrol

£2,808/year

87%

-2%

BMW 5 Series

2017 · 2998cc Petrol

£2,413/year

90%

+1%

Audi A6

2016 · 3993cc Petrol

£3,153/year

89%

same

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About the 2015 Mercedes ML

The 2015 Mercedes ML is a premium performance car. Our records list a 3498cc petrol engine, though engines vary between versions. 6,912 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.

With an average of 79,271 miles recorded at its 2024 MOT tests, 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 £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 2015 Mercedes ML?

Total estimated annual running cost is £3,153 (£263/month), broken down as £1,958 fuel, £790 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 pass their MOT more often than older ones, by 9 percentage points on average, which is mostly down to age and wear.

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

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Timing Chain / Belt

Watch out

At 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 risk

Larger 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 out

At 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 out

Rubber 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 risk

Always 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 estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Mercedes ML(2015)	89%	£1,958	£790	Grp 35-50	£3,153
Mercedes C(2016)	88%	£1,958	£790	Grp 35-50	£3,153same
BMW 3 Series(2014)	87%	£1,958	£445	Grp 30-42	£2,808-£345
BMW 5 Series(2017)	90%	£1,958	£200	Grp 30-42	£2,413-£740
Audi A6(2016)	89%	£1,958	£790	Grp 35-50	£3,153same

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2015 Mercedes ML

Is the 2015 Mercedes ML reliable?

Good reliability. Occasional issues but generally solid. 89% of MOT tests on 2015 Mercedes MLs ended in a pass, from 6,912 tests (DVSA MOT data for tests in 2024, retests included). That's 7 points above the average of 82% across all models in the same data.

How much does a 2015 Mercedes ML cost to run?

Our estimate is £3,153 a year (£263 a month): £1,958 fuel, £790 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2015 Mercedes ML?

89% of 6,912 MOT tests on the 2015 Mercedes ML ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 161st of 515 models first registered in 2015 (top half).

Which year Mercedes ML has the best MOT pass rate?

Of the years with at least 100 tests, the 2015 Mercedes ML has the highest MOT pass rate at 89% and the 2000 the lowest at 73%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2015 Mercedes ML?

The average mileage recorded at MOT tests on the 2015 Mercedes ML is 79,271 miles, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.