2011 Mercedes-Benz SLK 1.8L Petrol · SE11 LLY
2011 Mercedes-Benz SLK (1.8L, petrol). First registered 01 Nov 2011. Recorded mileage 72,320 miles. MOT expired on 18 Oct 2026. Taxed until 01 Jul 2027.
- Make & Model
- MERCEDES-BENZ SLK
- Year / Origin
- 2011 · Glasgow
- Safety Recall
- Unknown
- MOT Status
- Expired on 18 Oct 2026
- Road Tax
- Taxed (01 Jul 2027)
- Recorded Mileage
- 72,320 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.
SE11 LLY Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 13/10/2025
- 72,320 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
- Recurring tyres items (4 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
SE11 LLY 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 2011 Mercedes-Benz Slk (SE11 LLY) between September 2023 and October 2025.
The record contains 3 passes and 2 failures.
The most recent test on 13 October 2025 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: Tyres (4 issues), Brakes (3 issues), Suspension (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 3 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: “Offside Brake pipe at imminent risk of failure or fracture front to rear (1.1.11 (a))”; “Offside Brake pipe leaking on a hydraulic braking system Front to rear (1.1.11 (b) (ii))”; “Offside Brake pipe excessively corroded front to rear (1.1.11 (c))”.
SE11 LLY Mileage History
- 28/09/202360,156 mi
- 17/10/202465,880 mi+5,724 mi
- 17/10/202465,881 mi+1 mi
- 13/10/202572,317 mi+6,436 mi
- 13/10/202572,320 mi+3 mi
Average of roughly 5,955 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: Poor
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 2011 model year cars.
- 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.
- 7G-Tronic Automatic Transmission Conductor Plate FailureModerate
The 722.9 7G-Tronic 7-speed automatic gearbox fitted to six-cylinder R171 SLKs features an electro-hydraulic conductor plate (VGS unit) submerged in hot automatic transmission fluid. Over time, thermal cycling and metallic sediment cause the integrated turbine and output speed sensors (Y3/8n1 and Y3/8n2) to fail, triggering diagnostic codes P0717, P0718, or P0705. When the signal drops, the transmission defaults into emergency limp-home mode, locking the gearbox into 2nd gear or reverse until restarted. Independent specialists can rebuild the plate, saving the cost of a brand new SCN-coded valve body.
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