CarCostCheck

MERCEDES CLK (2008)

Running costs, common problems, and reliability data based on 5,758 real MOT tests in 2024.

MOT Pass Rate

75%

Total Tests (2024)

5,758

Avg Mileage

104,878 mi

Est. Annual Cost

£2,050

Is the 2008 MERCEDES CLK reliable?

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 16 years old, 75% of MERCEDES CLKs from 2008 passed their MOT first time in 2024. That's based on 5,758 tests across the UK. The average mileage at this age is 104,878 miles.

How does the 2008 MERCEDES CLK compare?

Rank among all 2008 cars328th out of 589(top 56%)
Rank among all MERCEDES models1251th out of 1,408(top 89%)
vs national average-7% (82% avg)
vs 2008 cars average+2% (73% avg)
vs MERCEDES average-12% (87% avg)

Mileage Analysis

The average 2008 MERCEDES CLK has 104,878 miles on the clock, which is in line with the expected 118,400 miles for a 16-year-old car, suggesting normal everyday use.

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 2008 sits between the two at 75%.

How much does a 2008 MERCEDES CLK cost to run?

Fuel (Diesel, 2148cc)
£1,245
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£500
Total per year£2,050
Per month£171/mo

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

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

Checking a specific MERCEDES CLK?

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About the 2008 MERCEDES CLK

The 2008 MERCEDES CLK is a family car with a 2148cc diesel engine. 5,758 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2008, the average MOT pass rate is 73%, and this model beats that benchmark.

With an average of 104,878 miles at 16 years old, MERCEDES CLK owners drive about as much as the UK average.

2008 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 2008 MERCEDES CLK?

Total estimated annual running cost is £2,050 171/month), broken down as £1245 fuel, £250 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 2008 MERCEDES CLK

At 16 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%. With 5,758 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2008 MERCEDES CLK

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines: