Mercedes Benz Clk (2008)
2008 Mercedes Benz Clk
CarHunch analysed 3,513 real MOT records for the 2008 Mercedes Benz Clk.
Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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The 2008 Mercedes-Benz CLK falls short of the UK average with a 76.8% first-time pass rate against the 80% benchmark, and more concerning, over half of these cars (53.2%) have recorded a dangerous defect at some point—a significant red flag for any prospective buyer. Diesel variants fare worse than petrol models, posting a 74.8% pass rate versus 78.1% for petrol, suggesting the diesel engine is the riskier choice here.
These CLKs show typical wear for their age with a median mileage of 62,584 miles, but they're troublesome when they reach the test bay, averaging 4.28 failures and nearly 25 advisories per vehicle. Before committing to one, have a pre-purchase inspection focus on the cooling system, suspension, and brake components, as these failure patterns suggest structural durability issues rather than minor aging.
The 2008 Mercedes Benz Clk has a decent first-time pass rate (76.8%), but a higher-than-average share of vehicles have had serious defects recorded — the individual vehicle's history matters a lot here.
These stats describe 3,513 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.
What tends to go wrong
Across 3,513 vehicles — figures show how many had each issue flagged at least once in their MOT history.
Data covers a 3-year window centred on 2008.
See this vehicle's full MOT history & AI hunches
Spot recurring advisories, hidden issues, and how it compares to 3,513 Mercedes Benz Clk cars.
Petrol vs Diesel
Pass rate difference of 3.3 percentage points — worth knowing if you're choosing between the two.
Before you buy a 2008 Mercedes Benz Clk
Based on MOT data from 3,513 vehicles — here's what to check.
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Check the full MOT history.
53.2% of these vehicles have had a dangerous defect recorded -
recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle. -
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Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price.
Inspection
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Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically.
History
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (60%) | 2,099 | 78.1% | 4.04 |
| Diesel (40%) | 1,413 | 74.8% | 4.65 |
Colour Breakdown
Based on 83,295 Mercedes Benz Clk vehicles registered in the UK — across all years. From DVLA registration records.
Mileage Distribution
Most 2008 Mercedes Benz Clk vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2008 Mercedes Benz Clk vehicles fall between 46,289 and 79,842 miles.
2008 Mercedes Benz Clk — Still on the Road
Most 2008 Mercedes Benz Clks are still being driven.
2,313 vehicles still getting MOTs in 2025 — 71% of the peak remain.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.
MOT History Averages
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Compare with another model
See how the 2008 Mercedes Benz Clk stacks up against a rival.