Mercedes C250 (2011)

Estimated running costs and MOT pass rates from 52 MOT tests in 2024.

Annual Cost

£2,227

£186/month

MOT Pass Rate

71%

Average

Road Tax

£275

Estimated/year

Est. Insurance

Grp 18-32

2000cc Diesel

Check Carefully

71% pass rate, £2,227/year to run. 11 points below average.

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Diesel2000cc15 years old52 tests111k miles avg

Annual Running Costs

Fuel (Diesel, 2000cc)

~48 mpg

£1,397

Road Tax

Estimated CO2 band

£275

MOT Test

£55

Predicted Repairs

Higher estimate due to low pass rate

£500

Total per year£2,227

Per month£186/mo

Per week£43/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

71% MOT pass rate(Average)

0%All-model avg: 82%100%

Average reliability. Expect some repairs as it ages. That's 11 points below the average of 82% across all models in our data. It falls below the Mercedes brand average of 87%.

71% of MOT tests on Mercedes C250s from 2011 ended in a pass in 2024, when they were about 13 years old. That's based on 52 tests across the UK, retests included. The average mileage recorded at those tests was 110,974 miles.

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How Does It Compare?

Rank among 2011 models537th of 595(bottom 10%)

Rank among Mercedes models1325th of 1,376(bottom 4%)

vs average of all models-11%(82% avg)

vs 2011 models average-6%(77% avg)

vs Mercedes average-16%(87% avg)

Mileage Analysis

110,974

Average miles

96,200

Expected for age

The average 2011 Mercedes C250 had 110,974 miles on the clock at its 2024 MOT, which is in line with the expected 96,200 miles for a 13-year-old car, suggesting normal everyday use.

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Mercedes C250 by Year

Year	Pass Rate	Tests	Avg Mileage
2012	84%	45	111,046 mi
2011	71%	52	110,974 mi
2009	76%	33	108,959 mi

Similar Cars to Consider

Volkswagen Golf

2013 · 1598cc Diesel

£1,794/year

85%

+14%

Vauxhall Astra

2013 · 1700cc Diesel

£2,227/year

79%

+8%

Volkswagen Polo

2010 · 1598cc Diesel

£1,944/year

74%

+3%

BMW 3 Series

2013 · 1995cc Diesel

£2,077/year

85%

+14%

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About the 2011 Mercedes C250

The 2011 Mercedes C250 is a premium car. Our records list a 2000cc diesel engine, though engines vary between versions. 52 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 10% of 2011 models for MOT pass rate.

With an average of 110,974 miles recorded at its 2024 MOT tests, Mercedes C250 owners drive about as much as the UK average.

2011 Mercedes C250 Fuel Costs

The 2000cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,397 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 2011 Mercedes C250?

Total estimated annual running cost is £2,227 (£186/month), broken down as £1,397 fuel, £275 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 71% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2011 Mercedes C250

At 15 years old, the Mercedes C250 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. Note: with only 52 tests in our data, these figures should be treated as indicative rather than definitive.

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.

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

Watch out

With an average of 111k 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 2011 Mercedes C250 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 C250(2011)	71%	£1,397	£275	Grp 18-32	£2,227
Volkswagen Golf(2013)	85%	£1,219	£170	Grp 12-25	£1,794-£433
Vauxhall Astra(2013)	79%	£1,397	£275	Grp 18-32	£2,227same
Volkswagen Polo(2010)	74%	£1,219	£170	Grp 12-25	£1,944-£283
BMW 3 Series(2013)	85%	£1,397	£275	Grp 18-32	£2,077-£150

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 2011 Mercedes C250

Is the 2011 Mercedes C250 reliable?

Average reliability. Expect some repairs as it ages. 71% of MOT tests on 2011 Mercedes C250s ended in a pass, from 52 tests (DVSA MOT data for tests in 2024, retests included). That's 11 points below the average of 82% across all models in the same data.

How much does a 2011 Mercedes C250 cost to run?

Our estimate is £2,227 a year (£186 a month): £1,397 fuel, £275 road tax, £55 MOT and £500 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2011 Mercedes C250?

71% of 52 MOT tests on the 2011 Mercedes C250 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 537th of 595 models first registered in 2011 (bottom 10%).

What is the average mileage for a 2011 Mercedes C250?

The average mileage recorded at MOT tests on the 2011 Mercedes C250 is 110,974 miles, which is in line with the expected 96,200 miles for a 13-year-old car, suggesting normal everyday use.