MERCEDES CLK (2000)
Running costs, reliability data, and common problems from 2,099 real MOT tests.
Annual Cost
£2,757
£230/month
MOT Pass Rate
81%
Good
Road Tax
£760
Based on CC/year
Insurance
Grp 35-50
5439cc Petrol
Solid Option
81% pass rate, £2757/year to run. Close to the national average.
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Annual Running Costs
~30 mpg
Based on 5439cc
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 26 years old, 81% of MERCEDES CLKs from 2000 passed their MOT first time in 2026. That's based on 2,099 tests across the UK. The average mileage at this age is 102,251 miles.
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How Does It Compare?
Mileage Analysis
102,251
Average miles
192,400
Expected for age
The average 2000 MERCEDES CLK has 102,251 miles on the clock, which is below the expected 192,400 miles for a 26-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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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 |
Similar Cars to Consider
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About the 2000 MERCEDES CLK
The 2000 MERCEDES CLK is a performance with a 5439cc petrol engine. 2,099 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It ranks in the top 22% of all 2000 cars for reliability.
With an average of 102,251 miles at 26 years old, MERCEDES CLK owners tend to use this car less than the typical driver.
2000 MERCEDES CLK Fuel Costs
The 5439cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2000 MERCEDES CLK?
Total estimated annual running cost is £2,757 (£230/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% 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 2000 MERCEDES CLK
At 26 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.
Common Issues to Watch For
Based on the 2000 MERCEDES CLK's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 26 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Clutch Wear
Watch outWith an average of 102k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2000 MERCEDES CLK stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES CLK(2000) | 81% | £1592 | £760 | Grp 35-50 | £2757 |
| MERCEDES SL(2002) | 88% | £1592 | £250 | Grp 35-50 | £2247-£510 |
| MERCEDES ML(2002) | 77% | £1592 | £250 | Grp 35-50 | £2397-£360 |
| ASTON MARTIN DB7(2001) | 89% | £1592 | £250 | Grp 35-50 | £2247-£510 |
| MERCEDES CL 500(2002) | 84% | £1592 | £250 | Grp 35-50 | £2247-£510 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Mercedes Models
Explore other Mercedes cars or similar models in the same category.
MERCEDES A
2019 · 1461cc Diesel
MERCEDES C
2017 · 1991cc Hybrid
MERCEDES A-CLASS
2017 · 1461cc Diesel
MERCEDES SL
2002 · 4973cc Petrol
MERCEDES ML
2002 · 4966cc Petrol
ASTON MARTIN DB7
2001 · 5935cc Petrol
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