2005 Mercedes-Benz SLK 2.0L Petrol · RM51 KRM
2005 Mercedes-Benz SLK (2.0L, petrol). First registered 06 Sept 2005. Recorded mileage 76,633 miles. MOT expired on 25 Mar 2026.
- Make & Model
- MERCEDES-BENZ SLK
- Year / Origin
- 2005 · Reading
- Safety Recall
- Unknown
- MOT Status
- Expired on 25 Mar 2026
- Road Tax
- —
- Recorded Mileage
- 76,633 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 2.0L
- 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.
RM51 KRM Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 26/03/2025
- 76,633 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
RM51 KRM 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 2005 Mercedes-Benz Slk (RM51 KRM) between July 2022 and March 2025.
The record contains 3 passes and 2 failures.
The most recent test on 26 March 2025 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
RM51 KRM Mileage History
- 15/07/202270,391 mi
- 18/07/202270,394 mi+3 mi
- 22/09/202374,391 mi+3,997 mi
- 19/03/202576,621 mi+2,230 mi
- 26/03/202576,633 mi+12 mi
Average of roughly 2,314 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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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: Below 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.
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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 2005 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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