2009 Mercedes-Benz C 2.1L Diesel · LO09 XSN

A clear pattern of front suspension wear has emerged across the MOT history of this 17-year-old Mercedes-Benz C-Class, with the offside front lower suspension arm ball joint flagged for slight play in both 2021 and 2024, suggesting a recurring component rather than a one-off observation. The most recent test on 10 April 2026 produced a pass alongside an advisory for a nearside front tyre worn to 3mm on the edge, but the same date also carries a fail recorded for the front wiper not clearing the windscreen effectively, indicating the car required rectification before being put back on the road. Brake disc condition has been monitored since 2022, when both front and rear discs were noted as pitted or scored though not seriously weakened, and the absence of brake advisories in 2023, 2024, 2025 or 2026 suggests those discs have either been replaced or have worn sufficiently to pass without remark. The windscreen has been a minor concern in two separate tests, with stone damage recorded in 2021 and 2022, though never to the point of obscuring the driver's view. Against an age of 17 years, the recorded mileage of 127,022 miles equates to roughly 7,472 miles annually, which is broadly typical for a vehicle of this vintage and points to steady if not heavy use rather than long periods of standing. There are no significant gaps in the testing record, with annual MOTs consistently filed from 2020 through 2026, and the mileage progression between tests does not show any unusual jumps that would suggest towing, track use, or odometer inconsistency. This pattern of regular annual mileage accumulation on a luxury saloon of this age tends to produce wear on the items already flagged, namely suspension joints, brake discs and tyres, while leaving less-stressed components like the exhaust and drivetrain less likely to have accumulated severe damage. The combined effect is a usage profile that is mechanically consistent with what one would expect from a car that has been driven normally throughout its life. For a prospective buyer, the priority items to scrutinise are the front suspension arms and ball joints, given that the offside has shown play on two occasions four years apart. On a test drive, listen for clonking or knocking noises from the front end over uneven surfaces, particularly over speed bumps and potholes, and feel for any vagueness or juddering through the steering wheel when cornering or braking, as these would suggest the ball joint wear has progressed beyond a minor advisory. With the brake discs previously pitted on all four corners, inspect the pedal feel for any judder or pulsing under braking and listen for grinding or scraping sounds that might indicate the discs have worn past their service limit, as pitted surfaces eventually require replacement rather than just cleaning. The nearside front tyre advisory for edge wear at 3mm also warrants close attention; uneven wear on the inner or outer edge typically points to suspension geometry issues, incorrect tracking, or worn wishbone bushes, so a four-wheel alignment check and a physical inspection of the tyre shoulders should be carried out before purchase. Finally, the wiper failure recorded on the same day as the April 2026 pass should be verified as fully rectified, and a functional check of both front wiper blades and the wiper mechanism is advisable, as a wiper that fails to clear effectively can mask poor visibility in heavy rain. The minor windscreen damage noted in 2021 and 2022 should be inspected for any spreading cracks, particularly around the edges of the existing stone chips, as thermal cycling and vibration over time can cause small imperfections to develop into larger fractures. Given the recurring front suspension advisories and the brake disc history, a raised inspection on a four-post lift by a Mercedes-Benz specialist or competent independent garage would be a prudent step before committing to purchase, allowing a thorough assessment of the lower wishbones, subframe mounting points, and brake caliper slide pins for any binding or corrosion that the standard MOT test would not necessarily flag.