2015 Mercedes-Benz SL 4.7L Petrol · 7 PJT

The 2015 Mercedes-Benz SL presents a clean and stable maintenance trend, with the most recent MOT on 24 October 2025 at 14,204 miles passing with zero defects. The preceding tests in October 2024 at 13,473 miles and October 2023 at 12,785 miles also recorded no failures or advisories. This is a strong indicator of consistent upkeep and no emerging mechanical or structural concerns. The only defect in the five-year record was a single offside rear tyre puncture flagged on 2 November 2022 at 11,088 miles, a minor consumable issue that was promptly resolved. The mileage profile is exceptionally low for an eleven-year-old vehicle. Accumulating just 14,204 miles over roughly eleven years equates to approximately 1,291 miles per year, well below the UK annual average. The annual increments between MOTs are steady and consistent: 691 miles between October 2023 and October 2024, and 731 miles between October 2024 and October 2025, with similar modest gains in earlier years. There are no sudden mileage jumps or suspicious gaps in the record that would suggest odometer tampering or prolonged periods of high-intensity use. The vehicle has clearly seen very light, regular use rather than long periods of dormancy, which is a positive sign for mechanical health. Despite the clean MOT record, a buyer should still carry out a thorough physical inspection. Low-mileage vehicles can develop issues from infrequent use, such as perished rubber suspension bushes, deteriorated brake discs from surface corrosion, or stiff calipers from prolonged standing. The underbody and subframes should be inspected for any signs of corrosion, particularly around mounting points and drain holes, as even lightly used vehicles can suffer from moisture ingress if garaged in damp conditions. The tyre age should be checked carefully, as the current set may have adequate tread but could be approaching or exceeding the recommended six-to-ten-year service life. The interior electrics, including the folding roof mechanism, seat adjustments, and infotainment system, deserve close attention given the SL's complexity and the potential for dormant faults to surface. A short test drive at varying speeds will confirm whether the gearbox changes smoothly, whether the suspension is free of knocks over uneven surfaces, and whether the brakes pull evenly without binding or vibration. The clean MOT history is reassuring, but it does not replace a hands-on inspection by a qualified technician, particularly on a low-mileage luxury convertible where component condition depends as much as use patterns as on total mileage.