2016 Mercedes-Benz AMG SL 63 Auto 5.5L Petrol · XBZ 40

A remarkably clean DVSA record defines this 2016 Mercedes-Benz AMG SL 63, with five tests conducted between 2023 and 2026 and only a single failure recorded on 24 June 2024, which intriguingly carries no defect details in the official log. That anomaly could indicate a refusal to be tested for administrative reasons, a non-emissions or non-mechanical issue such as a missing seatbelt, an incorrect number plate presentation, or a lighting fault that was rectified on the same day. Whatever the cause, the surrounding tests on 01 June 2023, 08 June 2024 (after the failure), 24 June 2024, 04 June 2025, and 31 July 2026 all passed with absolutely no advisories logged, suggesting that the vehicle has not yet reached a stage where age-related wear items have triggered any examiner attention. For a ten-year-old high-performance grand tourer, an entirely advisory-free MOT history is notable and points to either genuinely low component wear or to components being replaced proactively ahead of test dates. The recorded mileage of 20,736 miles equates to approximately 2,074 miles per year across the vehicle's ten-year life, which is exceptionally low even for a luxury convertible of this type. This figure implies either genuine limited use as a weekend or fair-weather car, or extended periods of standing. Such low annual accumulation reduces wear on major mechanical items such as the V8 biturbo engine, the multi-plate clutch and MCT transmission, and the brake rotors, which on high-performance Mercedes models can suffer from corrosion pitting and binding calipers if left inactive for long stretches. The test history begins in 2023, meaning the first six years of the car's life carry no recorded DVSA data, so any mileage or mechanical concerns from that earlier period cannot be verified. The gap between the 2024 and 2025 tests shows the vehicle was in active use, and the relatively short six-week turnaround after the June 2024 failure demonstrates the car was operational throughout that period. For a prospective buyer, the absence of advisories means there is no specific component flagged by examiners to investigate, but the combination of low mileage, the convertible bodyshell, and the AMG-specific mechanical layout warrants a targeted inspection. On a test drive, listen for any clonks or creaks from the front suspension over uneven surfaces, as control arms, anti-roll bar links, and upper strut mounts are common wear points on heavy grand tourers. The ABC (Active Body Control) suspension, if fitted, should be checked for warning messages, uneven ride height on cold start, and any hydraulic fluid residue around the front struts, as pump and valve block failures are well-documented on this generation of SL. Inspect the rear subframe mounting points and boot floor for corrosion, as salt and standing water can collect here on convertibles, and examine the undertray and oil filter housing for any signs of seepage from the M157 engine. Given the low annual mileage, particular attention should be paid to items that degrade through age rather than use. The brake discs, even with the standard composite braking system, are likely to suffer from corrosion on the outer edges and friction faces, which can manifest as vibration or judder under the pedal during the first few stops from cold. The high-performance tyres should be inspected for perishing on the sidewalls and tread, as ten-year-old rubber can lose flexibility even with tread remaining, and the original specification tyres for this vehicle tend to be expensive and availability-limited. Check all flexible brake hoses, the underbody fuel and brake lines for any surface corrosion, and the exhaust system from the manifolds back, paying particular attention to the mounting rubbers and the rear silencer box. Finally, verify that the convertible hardtop mechanism operates smoothly through a full open and close cycle, that the rear window seal is intact, and that the roof latch indicator lights behave correctly, as hydraulic roof faults on this generation are not uncommon and would not necessarily have appeared on the MOT record.