2005 Mercedes-Benz SLK 3.5L Petrol · HN05 PXF
2005 Mercedes-Benz SLK (3.5L, petrol). First registered 08 Jul 2005. Recorded mileage 102,770 miles. MOT valid until 14 Aug 2027.
- Make & Model
- MERCEDES-BENZ SLK
- Year / Origin
- 2005 · Portsmouth
- Safety Recall
- Unknown
- MOT Status
- Valid until 14 Aug 2027
- Road Tax
- —
- Recorded Mileage
- 102,770 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.5L
- 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.
HN05 PXF Key Findings
- 27 MOT tests recorded
- Latest MOT passed on 24/07/2026
- 102,770 miles recorded at latest MOT
- 8 historical MOT failures
- 5 defects noted at the latest MOT
- Recurring brakes items (22 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
HN05 PXF MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
27 MOT tests are recorded for this 2005 Mercedes-Benz Slk (HN05 PXF) between June 2008 and July 2026.
The record contains 19 passes and 8 failures.
The most recent test on 24 July 2026 was a pass, although the earlier record includes 8 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (22 issues), Suspension (17 issues), Tyres (14 issues), Windscreen (8 issues), Lighting (6 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 50 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 Rear Tyre has ply or cords exposed (5.2.3 (d) (ii))”; “Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))”; “Offside Front Coil spring fractured or broken (5.3.1 (b) (i))”.
HN05 PXF Mileage History
- 16/06/200824,560 mi
- 16/06/200929,750 mi+5,190 mi
- 18/06/201032,337 mi+2,587 mi
- 13/06/201136,494 mi+4,157 mi
- 13/06/201136,494 mi
- 10/07/201240,925 mi+4,431 mi
- 26/06/201344,266 mi+3,341 mi
- 25/06/201449,269 mi+5,003 mi
- 09/06/201552,212 mi+2,943 mi
- 11/06/201552,212 mi
- 04/07/201655,169 mi+2,957 mi
- 23/06/201758,264 mi+3,095 mi
- 23/06/201758,264 mi
- 19/06/201859,989 mi+1,725 mi
- 17/06/201964,015 mi+4,026 mi
- 18/06/201964,015 mi
- 15/07/202066,283 mi+2,268 mi
- 15/07/202066,283 mi
- 28/06/202168,126 mi+1,843 mi
- 21/06/202271,895 mi+3,769 mi
- 21/06/202271,895 mi
- 29/06/202375,863 mi+3,968 mi
- 06/08/202479,046 mi+3,183 mi
- 14/08/202479,050 mi+4 mi
- 16/08/202479,050 mi
- 29/07/202594,575 mi+15,525 mi
- 24/07/2026102,770 mi+8,195 mi
Average of roughly 4,320 miles per year across 27 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.
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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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