2005 Mercedes-Benz SL 3.7L Petrol · SL54 ASL

The 2005 Mercedes-Benz SL demonstrates stable roadworthiness based on its most recent MOT, recorded on 2025-05-19 at 115,212 miles, which resulted in a pass with no defects. The prior test on 2024-05-09 at the same mileage also passed, though a failed test on 2024-05-08 at identical mileage is anomalous and likely reflects administrative error or a minor issue resolved promptly. No recurring mechanical faults are evident in the record, suggesting consistent maintenance. However, the absence of defects in recent tests does not confirm long-term reliability, as the vehicle’s low annual mileage (5,486 miles) may mask wear in components requiring regular use. The mileage pattern shows minimal accumulation over the vehicle’s 21-year lifespan, with 115,212 miles recorded. Tests in 2020 and 2021 at 110,036 and 111,237 miles, respectively, passed without issues, but a three-year gap between 2021 and 2024 raises concerns about potential neglect or inactivity. Low mileage can lead to corrosion in static components, such as suspension bushes or brake calipers, while prolonged inactivity may affect fluid integrity and electrical systems. The lack of advisories or failures in recent tests is reassuring but does not eliminate risks associated with age and storage conditions. A buyer should prioritise inspecting the suspension system for worn bushes or coil springs, which are common wear items in older vehicles. The brake system, including discs and calipers, should be checked for corrosion or binding, particularly if the car was stored for extended periods. Structural integrity, including rust on the chassis or body panels, is critical given the vehicle’s age. While the MOT history shows no major faults, the low mileage and test gaps necessitate a thorough pre-purchase inspection to confirm the car’s mechanical and structural condition.