2010 Mercedes-Benz SL 5.5L Petrol · KX60 AGZ
2010 Mercedes-Benz SL (5.5L, petrol). First registered 01 Sept 2010. Recorded mileage 93,156 miles. MOT valid until 25 May 2027.
- Make & Model
- MERCEDES-BENZ SL
- Year / Origin
- 2010 · Northampton
- Safety Recall
- Unknown
- MOT Status
- Valid until 25 May 2027
- Road Tax
- —
- Recorded Mileage
- 93,156 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 5.5L
- 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.
KX60 AGZ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 27/05/2026
- 93,156 miles recorded at latest MOT
- 1 historical MOT failure
- 4 defects noted at the latest MOT
- Recurring tyres items (5 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
KX60 AGZ 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 2010 Mercedes-Benz Sl (KX60 AGZ) between May 2023 and May 2026.
The record contains 4 passes and 1 failure.
The most recent test on 27 May 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: Tyres (5 issues), Steering (4 issues), Suspension (3 issues), Brakes (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 11 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 Front Suspension component ball joint excessively worn Lower strut ball joint. (5.3.4 (a) (i))”; “Nearside Front Suspension component ball joint excessively worn Lower strut ball joint. (5.3.4 (a) (i))”.
KX60 AGZ Mileage History
- 05/05/202382,966 mi
- 16/04/202490,057 mi+7,091 mi
- 29/04/202490,057 mi
- 12/05/202592,198 mi+2,141 mi
- 27/05/202693,156 mi+958 mi
Average of roughly 3,330 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.
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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 2010 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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