MERCEDES CLK (2012)
Running costs, common problems, and reliability data based on 30 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
30
Avg Mileage
61,131 mi
Est. Annual Cost
£1,750
Is the 2012 MERCEDES CLK reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 12 years old, 90% of MERCEDES CLKs from 2012 passed their MOT first time in 2024. That's based on 30 tests across the UK. The average mileage at this age is 61,131 miles.
How does the 2012 MERCEDES CLK compare?
Mileage Analysis
The average 2012 MERCEDES CLK has 61,131 miles on the clock, which is below the expected 88,800 miles for a 12-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a MERCEDES CLK?
The most reliable year is the 2000 model with a 81% MOT pass rate, while the 1997 model has the lowest at 75%. The 2012 sits between the two at 90%.
How much does a 2012 MERCEDES CLK cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
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 |
Checking a specific MERCEDES CLK?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2012 MERCEDES CLK
The 2012 MERCEDES CLK is a family car with a 2148cc diesel engine. 30 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 20% of all 2012 cars for reliability.
With an average of 61,131 miles at 12 years old, MERCEDES CLK owners tend to use this car less than the typical driver.
2012 MERCEDES CLK Fuel Costs
The 2148cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (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 2012 MERCEDES CLK?
Total estimated annual running cost is £1,750 (£146/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
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 2012 MERCEDES CLK
At 12 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 30 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2012 MERCEDES CLK
The MERCEDES CLK is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- VAUXHALL ASTRA (2013) 79% pass rate (-11%) from 101,969 tests
- VOLKSWAGEN GOLF (2012) 80% pass rate (-10%) from 98,183 tests
- BMW 3 SERIES (2013) 85% pass rate (-5%) from 71,326 tests
- FORD TRANSIT (2014) 77% pass rate (-13%) from 59,048 tests