2005 Mercedes-Benz SL 3.7L Petrol · GS55 CJS

The 2005 Mercedes-Benz SL presents as roadworthy with a stable maintenance trend, evidenced by the most recent test on 7 October 2025 at 70,671 miles returning a pass with no defects recorded. Prior tests in October 2024, September 2023, and October 2022 also passed cleanly, showing no advisories or recurring mechanical faults across the five-year record. The vehicle's upkeep appears consistent and free of escalating concerns. At roughly 21 years old, the SL shows 70,671 recorded miles, an average of about 3,365 miles per year. The record confirms light annual use: it covered only 2,010 miles between the September 2023 test at 66,351 miles and the October 2024 test at 68,665 miles, then just 2,006 miles to the October 2025 pass at 70,671 miles. A single anomaly appears on 7 October 2024, where a fail was logged at 68,657 miles with no defects stated, immediately followed by a pass at 68,665 miles the same day, suggesting an administrative or procedural rejection rather than a mechanical fault. The sparse, clean history offers little evidence of neglect. Given the absence of flagged defects, a buyer should still verify in person the condition of age-sensitive components not always captured in a pass. Low mileage and long standing periods risk perished suspension bushes, degraded coil springs, and corroded brake discs or binding calipers from disuse. Structural integrity around chassis mounting points and subframes should be checked for corrosion typical of a two-decade-old Mercedes. The clean MOT sequence implies previous owners maintained basic statutory compliance, though the 2024 same-day fail-pass without recorded defects warrants a check of the VOSA failure reason. No recurring wear on tyres, exhaust emissions, or consumables appears in the data. A pre-purchase inspection remains prudent given the vehicle's age and low usage profile.