MERCEDES CLK (2005)
Running costs, common problems, and reliability data based on 8,463 real MOT tests in 2024.
MOT Pass Rate
76%
Total Tests (2024)
8,463
Avg Mileage
107,835 mi
Est. Annual Cost
£2,050
Is the 2005 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 19 years old, 76% of MERCEDES CLKs from 2005 passed their MOT first time in 2024. That's based on 8,463 tests across the UK. The average mileage at this age is 107,835 miles.
How does the 2005 MERCEDES CLK compare?
Mileage Analysis
The average 2005 MERCEDES CLK has 107,835 miles on the clock, which is below the expected 140,600 miles for a 19-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 2005 sits between the two at 76%.
How much does a 2005 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 2005 MERCEDES CLK
The 2005 MERCEDES CLK is a family car with a 2148cc diesel engine. 8,463 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2005, the average MOT pass rate is 72%, and this model beats that benchmark.
With an average of 107,835 miles at 19 years old, MERCEDES CLK owners tend to use this car less than the typical driver.
2005 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 2005 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 2005 MERCEDES CLK
At 19 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 8,463 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2005 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:
- VOLKSWAGEN GOLF (2007) 73% pass rate (-3%) from 80,988 tests
- VAUXHALL ASTRA (2007) 71% pass rate (-5%) from 71,923 tests
- HONDA CIVIC (2007) 72% pass rate (-4%) from 45,025 tests
- VOLKSWAGEN TRANSPORTER (2007) 75% pass rate (-1%) from 27,476 tests