2008 Mercedes-Benz SLK 1.8L Petrol · H8 GRE
2008 Mercedes-Benz SLK (1.8L, petrol). First registered 01 Sept 2008. Recorded mileage 86,018 miles. MOT valid until 21 Jan 2027.
- Make & Model
- MERCEDES-BENZ SLK
- Year / Origin
- 2008 · Bournemouth
- Safety Recall
- Unknown
- MOT Status
- Valid until 21 Jan 2027
- Road Tax
- —
- Recorded Mileage
- 86,018 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 1.8L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
H8 GRE Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 22/01/2026
- 86,018 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
- Recurring suspension items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
H8 GRE MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2008 Mercedes-Benz Slk (H8 GRE) between July 2024 and January 2026.
The record contains 3 passes and 2 failures.
The most recent test on 22 January 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Suspension (2 issues), Lighting (2 issues), Tyres (2 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 4 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))”; “Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))”; “Offside Front Coil spring fractured or broken (5.3.1 (b) (i))”.
H8 GRE Mileage History
- 09/07/202479,147 mi
- 03/09/202479,164 mi+17 mi
- 14/08/202585,623 mi+6,459 mi
- 14/08/202585,623 mi
- 22/01/202686,018 mi+395 mi
Average of roughly 4,462 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mercedes-Benz Mercedes-Benz SLK (R171)
Our database tracks 6 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Vehicle & Plate History
Previous plates for this vehicle
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MERCEDES-BENZ SLK Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2008 model year cars.
- M272 V6 Balance Shaft WearSerious
Early 3.0L and 3.5L V6 engines used soft metal gears on the balance shaft. The gears wear down, altering engine timing and requiring a massive engine-out repair.
- Vario-Roof Hydraulic LeaksModerate
The complex folding hardtop uses multiple hydraulic cylinders that can leak as the seals age.
- Rear Subframe Corrosion and PerforationSerious
The pressed-steel multi-link rear subframe on the R171 SLK is highly prone to severe internal corrosion, aggravated by decades of wet UK winter roads and road salt. Moisture and grime accumulate inside the hollow box sections, rusting the subframe from the inside out until structural perforation occurs around the suspension control arm mounting points. In severe cases, an arm mount shears off entirely, causing sudden dangerous rear-wheel steering and an immediate MOT failure. Mercedes-Benz UK has historically assessed replacements under goodwill on a case-by-case basis.
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