MERCEDES CLK (2011)
Running costs, reliability data, and common problems from 40 real MOT tests.
Annual Cost
£2,197
£183/month
MOT Pass Rate
75%
Average
Road Tax
£315
Based on CC/year
Insurance
Grp 18-32
1796cc Petrol
Check Carefully
75% pass rate, £2197/year to run. 7 points below average.
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Annual Running Costs
~36 mpg
Based on 1796cc
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
Average reliability. Expect some repairs as it ages. That's 7 points below the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 15 years old, 75% of MERCEDES CLKs from 2011 passed their MOT first time in 2026. That's based on 40 tests across the UK. The average mileage at this age is 64,021 miles.
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How Does It Compare?
Mileage Analysis
64,021
Average miles
111,000
Expected for age
The average 2011 MERCEDES CLK has 64,021 miles on the clock, which is below the expected 111,000 miles for a 15-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2000 model with a 81% MOT pass rate, while the 1997 model has the lowest at 75%. The 2011 sits between the two at 75%.
MERCEDES CLK by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2012 | 90% | 30 | 61,131 mi | |
| 2011 | 75% | 40 | 64,021 mi | |
| 2010 | 77% | 152 | 92,126 mi | |
| 2009 | 76% | 6,353 | 97,542 mi | |
| 2008 | 75% | 5,758 | 104,878 mi | |
| 2007 | 76% | 8,003 | 106,765 mi | |
| 2006 | 76% | 7,045 | 106,273 mi | |
| 2005 | 76% | 8,463 | 107,835 mi | |
| 2004 | 76% | 8,352 | 105,633 mi | |
| 2003 | 78% | 6,287 | 105,487 mi | |
| 2002 | 78% | 3,392 | 106,379 mi | |
| 2001 | 79% | 2,542 | 103,971 mi | |
| 2000 | 81% | 2,099 | 102,251 mi | |
| 1999 | 78% | 2,485 | 103,421 mi | |
| 1998 | 77% | 800 | 102,449 mi | |
| 1997 | 75% | 138 | 86,436 mi |
Similar Cars to Consider
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About the 2011 MERCEDES CLK
The 2011 MERCEDES CLK is a family car with a 1796cc petrol engine. 40 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2011, the average MOT pass rate is 77%, and this model falls short of that benchmark.
With an average of 64,021 miles at 15 years old, MERCEDES CLK owners tend to use this car less than the typical driver.
2011 MERCEDES CLK Fuel Costs
The 1796cc petrol 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 petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2011 MERCEDES CLK?
Total estimated annual running cost is £2,197 (£183/month), broken down as £1327 fuel, £315 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 75% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES CLK Reliability Trend
The MERCEDES CLK has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2011 MERCEDES CLK
At 15 years old, the MERCEDES CLK 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 2000 model has the highest pass rate at 81%. Note: with only 40 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2011 MERCEDES CLK's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 15 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.
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 2011 MERCEDES CLK stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES CLK(2011) | 75% | £1327 | £315 | Grp 18-32 | £2197 |
| VAUXHALL CORSA(2012) | 76% | £1137 | £30 | Grp 8-20 | £1722-£475 |
| FORD FOCUS(2013) | 78% | £1137 | £135 | Grp 12-25 | £1827-£370 |
| NISSAN QASHQAI(2013) | 72% | £1137 | £135 | Grp 12-25 | £1827-£370 |
| MERCEDES C(2012) | 79% | £1327 | £135 | Grp 18-32 | £2017-£180 |
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
VAUXHALL CORSA
2012 · 1398cc Petrol
FORD FOCUS
2013 · 1596cc Petrol
NISSAN QASHQAI
2013 · 1600cc Petrol
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