2004 Mercedes SL350 3.7L Petrol · WH04 FDP

The latest MOT test conducted on 11 June 2025 resulted in a pass with no recorded defects. Reviewing the history back to 2022, the vehicle demonstrates an exceptionally stable maintenance trend. Aside from a recorded failure on 19 June 2023 which was resolved on the same day without listed defects, the car has consistently passed its inspections without any advisories. This suggests a vehicle that has been maintained to a high standard or kept in a condition that consistently exceeds the minimum legal requirements for roadworthiness. The recorded mileage of 52,384 miles is remarkably low for a vehicle of this age, averaging approximately 2,381 miles per year over its 22-year lifespan. While such low mileage generally implies reduced wear on the engine internals and drivetrain components, it often indicates long periods of standing. This usage profile shifts the mechanical risk from typical wear-and-tear to degradation caused by inactivity, which can be as detrimental as high mileage if the vehicle has not been regularly exercised or serviced according to a calendar-based schedule. Given the clean MOT history and low usage, the buyer must focus on age-related degradation rather than wear-related failure. A primary concern is the condition of the tyres; even if the tread depth is legally sufficient, the rubber may have perished or developed sidewall cracking due to age. Inspect the tyre date codes and check for a hardened surface that could compromise grip. The braking system should be scrutinized for binding calipers or heavy corrosion on the brake discs, which frequently occurs when a vehicle sits for extended periods. During the test drive, listen for any shuddering under braking or a lack of immediate response, which would indicate surface oxidation or seized sliders. Furthermore, the buyer should verify the service history to ensure that fluids have been changed based on time rather than mileage. Engine oil, coolant, and brake fluid degrade chemically over time regardless of distance travelled. Check the 12V battery health, as low-use luxury vehicles often suffer from parasitic drain and premature battery failure. Finally, pay close attention to the operation of the convertible roof mechanism and the condition of the suspension bushes. Rubber components can dry out and crack when not regularly flexed, potentially leading to suspension clunks or leaks in the roof seals. Ensure all electronic auxiliary systems are functioning correctly to confirm the vehicle has not suffered from electrical dormancy.