Mercedes E (2015)

Estimated running costs and MOT pass rates from 44,602 MOT tests in 2024.

Annual Cost

£2,491

£208/month

MOT Pass Rate

86%

Good

Road Tax

£410

Estimated/year

Est. Insurance

Grp 25-38

2143cc Diesel

Solid Option

86% pass rate, £2,491/year to run. Close to the average across all models.

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Diesel2143cc11 years old44,602 tests94k miles avg

Annual Running Costs

Fuel (Diesel, 2143cc)

~40 mpg

£1,676

Road Tax

Estimated CO2 band

£410

MOT Test

£55

Predicted Repairs

£350

Total per year£2,491

Per month£208/mo

Per week£48/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p 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

86% MOT pass rate(Good)

0%All-model avg: 82%100%

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

86% of MOT tests on Mercedes Es from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 44,602 tests across the UK, retests included. The average mileage recorded at those tests was 93,549 miles.

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How Does It Compare?

Rank among 2015 models236th of 515(top half)

Rank among Mercedes models838th of 1,376(bottom half)

vs average of all models+4%(82% avg)

vs 2015 models average+3%(83% avg)

vs Mercedes average-1%(87% avg)

Mileage Analysis

93,549

Average miles

66,600

Expected for age

The average 2015 Mercedes E had 93,549 miles on the clock at its 2024 MOT, which is above the expected 66,600 miles for a 9-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

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Best Year to Buy?

Of the years with at least 100 tests, the 2021 model has the highest MOT pass rate at 92%, while the 1997 model has the lowest at 77%. The 2015 scores 86%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Mercedes E by Year

Year	Pass Rate	Tests	Avg Mileage
2023	92%	53	32,945 mi
2022	96%	126	59,884 mi
2021	92%	4,602	34,724 mi
2020	90%	14,944	39,756 mi
2019	90%	41,000	54,796 mi
2018	90%	47,312	65,452 mi
2017	89%	47,254	81,087 mi
2016	89%	42,891	87,292 mi
2015	86%	44,602	93,549 mi
2014	84%	44,780	95,170 mi
2013	82%	42,002	100,537 mi
2012	81%	31,910	105,440 mi
2011	81%	30,211	107,589 mi
2010	80%	25,610	111,787 mi
2009	80%	14,250	119,764 mi
2008	79%	8,606	134,385 mi
2007	80%	10,451	135,015 mi
2006	79%	7,256	133,383 mi
2005	78%	8,269	136,951 mi
2004	78%	8,333	138,870 mi
2003	78%	5,869	136,033 mi
2002	79%	2,009	120,200 mi
2001	77%	1,446	110,720 mi
2000	79%	1,031	110,044 mi
1999	81%	1,453	121,790 mi
1998	83%	1,696	116,683 mi
1997	77%	975	105,694 mi
1996	78%	1,535	128,722 mi
1995	79%	2,442	133,725 mi
1994	79%	2,118	129,558 mi
1993	78%	599	123,052 mi
1992	80%	148	142,883 mi
1991	78%	90	110,439 mi
1990	82%	85	135,367 mi

Similar Cars to Consider

Volkswagen Golf

2015 · 1968cc Diesel

£2,077/year

89%

+3%

Vauxhall Astra

2013 · 1700cc Diesel

£2,227/year

79%

-7%

BMW 3 Series

2013 · 1995cc Diesel

£2,077/year

85%

-1%

Kia Sportage

2016 · 1700cc Diesel

£2,077/year

85%

-1%

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About the 2015 Mercedes E

The 2015 Mercedes E is a premium car. Our records list a 2143cc diesel engine, though engines vary between versions. 44,602 MOT tests were recorded on this model in 2024, making it one of the most commonly tested models 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 93,549 miles recorded at its 2024 MOT tests, Mercedes E owners cover more miles than the average driver.

2015 Mercedes E Fuel Costs

The 2143cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; 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 2015 Mercedes E?

Total estimated annual running cost is £2,491 (£208/month), broken down as £1,676 fuel, £410 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.

Mercedes E Reliability Trend

Newer Mercedes Es pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.

Buying a Used 2015 Mercedes E

At 11 years old, the Mercedes E 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 2021 model has the highest pass rate at 92%. With 44,602 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.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

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.

Clutch Wear

Medium risk

With an average of 94k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 E 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 E(2015)	86%	£1,676	£410	Grp 25-38	£2,491
Volkswagen Golf(2015)	89%	£1,397	£275	Grp 18-32	£2,077-£414
Vauxhall Astra(2013)	79%	£1,397	£275	Grp 18-32	£2,227-£264
BMW 3 Series(2013)	85%	£1,397	£275	Grp 18-32	£2,077-£414
Kia Sportage(2016)	85%	£1,397	£275	Grp 18-32	£2,077-£414

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 E

Is the 2015 Mercedes E reliable?

Good reliability. Occasional issues but generally solid. 86% of MOT tests on 2015 Mercedes Es ended in a pass, from 44,602 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points above the average of 82% across all models in the same data.

How much does a 2015 Mercedes E cost to run?

Our estimate is £2,491 a year (£208 a month): £1,676 fuel, £410 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 E?

86% of 44,602 MOT tests on the 2015 Mercedes E ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 236th of 515 models first registered in 2015 (top half).

Which year Mercedes E has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 Mercedes E has the highest MOT pass rate at 92% and the 1997 the lowest at 77%. 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 E?

The average mileage recorded at MOT tests on the 2015 Mercedes E is 93,549 miles, which is above the expected 66,600 miles for a 9-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.