CarCostCheck

MERCEDES CLK (2006)

Running costs, common problems, and reliability data based on 7,045 real MOT tests in 2024.

MOT Pass Rate

76%

Total Tests (2024)

7,045

Avg Mileage

106,273 mi

Est. Annual Cost

£2,050

Is the 2006 MERCEDES CLK reliable?

Average reliability. Expect some repairs as it ages. That's 6 points below the national average of 82%. It falls below the MERCEDES brand average of 87%.

At 18 years old, 76% of MERCEDES CLKs from 2006 passed their MOT first time in 2024. That's based on 7,045 tests across the UK. The average mileage at this age is 106,273 miles.

How does the 2006 MERCEDES CLK compare?

Rank among all 2006 cars242th out of 575(top 42%)
Rank among all MERCEDES models1226th out of 1,408(top 87%)
vs national average-6% (82% avg)
vs 2006 cars average+3% (73% avg)
vs MERCEDES average-11% (87% avg)

Mileage Analysis

The average 2006 MERCEDES CLK has 106,273 miles on the clock, which is below the expected 133,200 miles for a 18-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 2006 sits between the two at 76%.

How much does a 2006 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 2006 MERCEDES CLK

The 2006 MERCEDES CLK is a family car with a 2148cc diesel engine. 7,045 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2006, the average MOT pass rate is 73%, and this model beats that benchmark.

With an average of 106,273 miles at 18 years old, MERCEDES CLK owners tend to use this car less than the typical driver.

2006 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 2006 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 76% 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 2006 MERCEDES CLK

At 18 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 7,045 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2006 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: