2005 Mercedes-Benz SL 3.7L Petrol · J20 YJL
2005 Mercedes-Benz SL (3.7L, petrol). First registered 18 Mar 2005. Recorded mileage 31,391 miles. MOT valid until 29 Mar 2027. Taxed until 01 May 2027.
- Make & Model
- MERCEDES-BENZ SL
- Year / Origin
- 2005
- Safety Recall
- Unknown
- MOT Status
- Valid until 29 Mar 2027
- Road Tax
- Taxed (01 May 2027)
- Recorded Mileage
- 31,391 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.7L
- 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.
J20 YJL Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 31/03/2026
- 31,391 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring brakes items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
J20 YJL 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 Sl (J20 YJL) between March 2023 and March 2026.
The record contains 4 passes and 1 failure.
The most recent test on 31 March 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (4 issues), Windscreen (1 issue), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 2 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: “Central Stop lamp(s) emits other than a steady red light (4.3.3 (a) (ii))”; “Offside Front Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))”; “Nearside Front Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))”.
J20 YJL Mileage History
- 23/03/202330,999 mi
- 25/03/202431,008 mi+9 mi
- 15/05/202531,015 mi+7 mi
- 26/03/202631,391 mi+376 mi
- 31/03/202631,391 mi
Average of roughly 130 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: Good
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
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MERCEDES-BENZ SL 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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