CarCostCheck

Mercedes Clk

Reliability, running costs, and MOT data across 16 years from 61,939 real MOT tests.

Avg Pass Rate

78%

Total Tests

61,939

Best Year

2012 (90%)

Years Covered

16

How reliable is the Mercedes Clk?

vs national average-4% (82% avg)
vs Mercedes brand average-9% (87% avg)
Best to worst year spread15 percentage points
Reliability trendStable over years

Mercedes Clk by Year

YearPass RateTestsAvg Mileage
201290%3061,131 mi
201175%4064,021 mi
201077%15292,126 mi
200976%6,35397,542 mi
200875%5,758104,878 mi
200776%8,003106,765 mi
200676%7,045106,273 mi
200576%8,463107,835 mi
200476%8,352105,633 mi
200378%6,287105,487 mi
200278%3,392106,379 mi
200179%2,542103,971 mi
200081%2,099102,251 mi
199978%2,485103,421 mi
199877%800102,449 mi
199775%13886,436 mi

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About the Mercedes Clk

The Mercedes Clk has been tested 61,939 times in 2024 MOT data across 16 model years (1997 to 2012), with an average pass rate of 78%. That's close to the national average of 82%. Available as diesel and petrol.

Best and Worst Years

The 2012 model is the most reliable with a 90% pass rate from 30 tests. The 2008 model has the lowest at 75%. The 15 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

The MERCEDES CLK has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Mileage Across Years

The oldest model in our data (1997) averages 86,436 miles, while the newest (2012) averages 61,131 miles.

Compared to the Mercedes brand average of 87%, the Clk is 9 points lower, placing it among the less reliable Mercedes models.

Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.