2013 Mercedes-Benz SLK 2.1L Diesel · WF63 THX

A generally stable history of roadworthiness has been punctuated by recurring tyre and wheel issues. A dangerous failure in November 2020 due to a structural tyre bulge was resolved quickly, but subsequent tests in 2021 and 2022 continued to flag uneven tyre wear and distorted wheel beads. The most recent test on 4 March 2026 resulted in a pass, though it introduced a new advisory regarding worn rear brake discs, indicating a shift from tyre-related concerns to braking system wear. With 98,642 miles recorded over approximately 13 years, the vehicle has averaged roughly 7,588 miles per year. This usage profile is typical for its age, suggesting consistent road use rather than prolonged periods of inactivity. Mechanically, this level of accumulation means that wear-and-tear components such as suspension bushes, engine mounts, and drivetrain linkages are likely reaching a stage where replacement may be necessary, regardless of the clean MOT results in 2023 and 2025. Attention should be paid to the vehicle's alignment and wheel integrity given the history of inner edge tyre wear and a previously distorted road wheel bead. During a test drive, the buyer should listen for abnormal road noise or feel for any steering pull or instability at motorway speeds, which could indicate lingering alignment issues or wheel imbalance. The current advisory for worn rear brake discs requires verification; the buyer should check for pedal judder or a soft pedal feel during deceleration, which would suggest the discs have reached a thickness where they are no longer optimal. Beyond the flagged items, the vehicle's age and mileage necessitate a close inspection of the underbody for corrosion and the condition of the rubber suspension components. While the MOT history does not list structural failures, the transition to brake disc wear suggests the vehicle is entering a phase of routine consumable replacement. A physical inspection of the rear brake disc surface for scoring or lip formation is recommended to determine if immediate replacement is required before the next testing cycle.