How much does a 2015 MERCEDES C cost to run?

Estimated annual running cost is £2,047 (£171/month), including £1327 fuel, £315 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2015 MERCEDES C?

The 2015 MERCEDES C has a 86% MOT pass rate based on 71,635 tests in 2026. This ranks 264 out of 559 cars from 2015.

Which year MERCEDES C is most reliable?

The 2020 MERCEDES C has the highest MOT pass rate at 92%. The least reliable year is 2004 at 72%.

What is the average mileage for a 2015 MERCEDES C?

The average mileage for a 2015 MERCEDES C is 85,216 miles, which is in line with the expected 81,400 miles for a 11-year-old car, suggesting normal everyday use.

MERCEDES C (2015)

Q: Is the 2015 MERCEDES C reliable?

Good reliability. Occasional issues but generally solid. 86% of MERCEDES Cs from 2015 passed their MOT first time in 2026, based on 71,635 tests. That's 4 points above the national average of 82%.

Running costs, reliability data, and common problems from 71,635 real MOT tests.

Annual Cost

£2,047

£171/month

MOT Pass Rate

86%

Good

Road Tax

£315

Based on CC/year

Insurance

Grp 18-32

1991cc Hybrid

Solid Option

86% pass rate, £2047/year to run. Close to the national average.

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Hybrid1991cc11 years old71,635 tests85k miles avg

Annual Running Costs

Fuel (Hybrid, 1991cc)

~36 mpg

£1,327

Road Tax

Based on 1991cc

£315

MOT Test

£55

Predicted Repairs

£350

Total per year£2,047

Per month£171/mo

Per week£39/wk

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

86% MOT pass rate(Good)

0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 11 years old, 86% of MERCEDES Cs from 2015 passed their MOT first time in 2026. That's based on 71,635 tests across the UK. The average mileage at this age is 85,216 miles.

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How Does It Compare?

Rank among 2015 cars264th of 559(top 47%)

Rank among MERCEDES models849th of 1,408(top 60%)

vs national average+4%(82% avg)

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

vs MERCEDES average-1%(87% avg)

Mileage Analysis

85,216

Average miles

81,400

Expected for age

The average 2015 MERCEDES C has 85,216 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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Best Year to Buy?

The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2004 model has the lowest at 72%. The 2015 sits between the two at 86%.

MERCEDES C by Year

Year	Pass Rate	Tests	Avg Mileage
2021	92%	3,772	27,184 mi
2020	92%	16,225	33,734 mi
2019	91%	52,838	40,700 mi
2018	90%	62,138	51,166 mi
2017	89%	87,612	60,957 mi
2016	88%	80,181	73,695 mi
2015	86%	71,635	85,216 mi
2014	85%	54,729	90,129 mi
2013	81%	51,703	97,102 mi
2012	79%	59,235	102,461 mi
2011	79%	42,676	109,800 mi
2010	78%	28,538	111,322 mi
2009	77%	28,440	118,861 mi
2008	77%	30,369	121,672 mi
2007	76%	25,544	119,028 mi
2006	74%	20,205	118,301 mi
2005	73%	17,978	121,824 mi
2004	72%	13,493	116,683 mi
2003	73%	9,158	112,103 mi
2002	75%	4,985	103,944 mi
2001	75%	2,463	101,994 mi
2000	77%	1,103	104,741 mi
1999	82%	2,683	110,180 mi
1998	79%	2,916	112,877 mi
1997	81%	2,336	121,767 mi
1996	82%	1,296	107,809 mi
1995	83%	1,017	101,913 mi
1994	84%	735	103,968 mi
1993	82%	71	105,975 mi
1992	87%	30	131,044 mi
1991	79%	47	112,139 mi
1990	66%	41	103,332 mi

Similar Cars to Consider

TOYOTA AURIS

2015 · 1798cc Hybrid

£1,867/year

87%

+1%

MITSUBISHI OUTLANDER

2015 · 1998cc Hybrid

£1,867/year

83%

-3%

BMW X5

2016 · 2000cc Hybrid

£1,717/year

92%

+6%

VOLVO XC90

2017 · 1969cc Hybrid

£1,922/year

88%

+2%

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About the 2015 MERCEDES C

The 2015 MERCEDES C is a family car with a 1991cc hybrid engine. 71,635 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars 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 85,216 miles at 11 years old, MERCEDES C owners drive about as much as the UK average.

2015 MERCEDES C Fuel Costs

The 1991cc hybrid engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2015 MERCEDES C?

Total estimated annual running cost is £2,047 (£171/month), broken down as £1327 fuel, £315 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 C Reliability Trend

Newer MERCEDES Cs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2015 MERCEDES C

At 11 years old, the MERCEDES C 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 2020 model has the highest pass rate at 92%. With 71,635 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2015 MERCEDES C's fuel type, age, and engine size, these are the most likely problem areas to check.

Hybrid Battery Health

Watch out

After 11 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.

Inverter and Power Electronics

Medium risk

The inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.

Regenerative Braking

Medium risk

Brake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.

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 85k 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 C stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MERCEDES C(2015)	86%	£1327	£315	Grp 18-32	£2047
TOYOTA AURIS(2015)	87%	£1327	£135	Grp 18-32	£1867-£180
MITSUBISHI OUTLANDER(2015)	83%	£1327	£135	Grp 18-32	£1867-£180
BMW X5(2016)	92%	£1327	£135	Grp 18-32	£1717-£330
VOLVO XC90(2017)	88%	£1327	£190	Grp 18-32	£1922-£125

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.