2017 Mercedes-Benz C 2.0L Petrol · LB66 OJJ

The most recent DVSA examination on 13 April 2026 resulted in a failed outcome primarily because the offside headlamp aim was assessed as too low, which is a straightforward headlamp alignment issue rather than a serious structural or mechanical concern, and on the same date the vehicle also passed with an advisory recorded for slight play in the offside front lower suspension arm ball joint. This suspension advisory has now appeared consistently across the 2025 and 2026 test cycles, indicating a progressive rather than resolved wear pattern in the front suspension geometry. Looking back through the recorded MOT history, the vehicle passed cleanly in 2020 and 2024 with no advisories, while the intervening years show repeated advisories relating to tyre wear on the rear axle and offside front. The overall trend therefore suggests the vehicle has been generally roadworthy and well-maintained but is now showing a developing suspension component wear issue that warrants close attention before purchase. With a recorded mileage of 71,940 miles across approximately nine years of service, this Mercedes-Benz C-Class is averaging around 7,993 miles annually, which is broadly consistent with typical private and mixed-use patterns for a vehicle of this age and class. The mileage progression recorded on the MOT certificates suggests reasonably steady usage without any conspicuous periods of standing idle or unusually rapid accumulation. At this annual rate, the mechanical wear on major drivetrain and chassis components should be moderate rather than severe, although consumable items such as brake discs, pads, tyres, and suspension bushes will still have experienced meaningful service life. The recorded mileage level is unlikely to raise any particular concern regarding high-use abuse, but it also does not indicate the calendar-age degradation risks associated with very low-mileage or stored vehicles. The recurring advisory relating to the offside front lower suspension arm ball joint showing slight play is the most significant mechanical finding in the history and should be treated as the primary inspection point. This type of wear typically manifests on test drives as a clonking or knocking noise from the offside front when traversing speed bumps, kerbs, or uneven road surfaces, and may also produce vague or imprecise steering response, particularly over mid-corner undulations. If the play progresses, it can accelerate uneven tyre wear on the offside front, compromise wheel alignment, and ultimately lead to an MOT failure. Given that the advisory has now appeared in two consecutive tests, the prospective buyer should budget for replacement of the lower suspension arm or its ball joint assembly, which on a Mercedes-Benz of this generation can involve renewing the complete control arm. It is also worth inspecting all neighbouring suspension components, including the anti-roll bar drop links, front coil spring condition, and the nearside ball joint for symmetry of wear. The repeated tyre advisories recorded from 2021 through 2023, particularly the recurring wear on all four corners and notably on the rear axle edges, suggest a pattern of either sustained high-speed cornering, under-inflation, or alignment geometry issues that may or may not have been rectified. Although no tyre advisories have appeared since 2023, the buyer should still inspect the current set of tyres for even tread wear, verify consistent brand and size across the axle, and check the sidewalls for any perishing or cracking given that tyres older than five years from their DOT date stamp can degrade regardless of remaining tread depth. Beyond the documented advisory items, age-appropriate inspection points for a nine-year-old Mercedes include verifying the 12V battery condition, as premature battery failure is common in vehicles of this age and can precipitate electrical faults; confirming the date and mileage stamp in the service book to ensure timely replacement of engine oil, brake fluid, coolant, and transmission fluid on a calendar basis; and a thorough under-bonnet and under-floor check for any oil seepage from the engine, gearbox, or rear differential seals. A careful road test on varied surfaces listening for brake shudder, any binding or pulling from the callipers after standing, and a final check for corrosion around the wheelbarrows, suspension subframes, and exhaust mounting points would round out a competent pre-purchase evaluation.