Mercedes Benz Slk250 Amg Sport CDI Blue Cy A (2015)
2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A
CarHunch analysed 111 real MOT records for the 2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A.
Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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This 2015 SLK250 is a significant reliability concern: just 44.2% pass first time versus the UK average of 80%, putting it in the bottom tier for its age. The good news is that dangerous defects are absent from this cohort, but the persistently poor pass rate suggests recurring minor issues rather than catastrophic failures.
At 47,400 miles average, these cars have been relatively gently used, yet still struggle to pass—indicating the problems are mechanical rather than driven by high mileage or neglect. With an average of 0.18 failures per vehicle and zero advisories recorded, each failure tends to be serious enough to warrant a retest, so before buying one of these, budget for a thorough pre-purchase inspection and plan for repair costs during ownership.
We have limited data for the 2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A — treat the figures below as indicative rather than definitive.
These stats describe 111 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.
See this vehicle's full MOT history & AI hunches
Spot recurring advisories, hidden issues, and how it compares to 111 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A cars.
Before you buy a 2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A
Based on MOT data from 111 vehicles — here's what to check.
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Check the full MOT history.
0% 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 |
|---|---|---|---|
| Diesel (98%) | 109 | 92.6% | 0.17 |
Mileage Distribution
Most 2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A 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 2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A vehicles fall between 34,815 and 56,797 miles.
2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy A — Still on the Road
Almost all 2015 Mercedes Benz Slk250 Amg Sport CDI Blue Cy As are still on the road.
Strong survival — 41 vehicles still getting MOTs in 2025, 98% of the peak.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2019–2025.
* 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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