2012 Mercedes-Benz C 2.1L Diesel · ML62 ABN

The most recent DVSA MOT test on 10 February 2023 recorded a Pass for this 2012 Mercedes-Benz C-Class, although two advisories were issued against the front lower suspension arm ball joints, with slight play noted on both the nearside and offside components. These advisories are clear early indicators of wear in the front suspension geometry and, left unaddressed, typically progress towards failure at the next test as the joint housings wear further and protective gaiters allow ingress of dirt and moisture. The absence of any recorded defects or advisories on the preceding test of February 2022 suggests the ball joint wear has developed within the twelve month interval, and given the vehicle's mileage of 161,597 miles, this is entirely consistent with the natural wear cycle of the original front suspension components. The overall maintenance trend, while still passing, is beginning to show signs of age-related wear in key safety-critical areas, warranting closer scrutiny. With the car now fourteen years old and having covered 161,597 miles, the annual mileage equates to approximately 11,543 miles per year, which is broadly typical for a vehicle of this age and class. There is no indication of unusually rapid accumulation or significant standing periods from the recorded data, meaning the wear profile is likely to be even across major mechanical assemblies rather than skewed by either neglect or excessive use. The current recorded mileage should be physically verified against the odometer and cross-referenced with the service book to confirm continuity, as a 2012 Mercedes with this mileage will have consumed multiple sets of tyres, brake discs and pads, and likely at least one clutch if fitted with a manual gearbox or a torque converter service if automatic. Given the mileage, it is also reasonable to expect the timing chain or serpentine belt, along with the auxiliary drive components, to have been inspected or replaced within the last 30,000 miles. On a physical inspection, particular attention should be directed to the front suspension, as the advisories indicate the lower ball joints are at the beginning of their wear cycle. When test driving, listen for any clonking or knocking from the front end over uneven surfaces, speed humps, or during full-lock low-speed manoeuvres, and feel for vagueness or vibration through the steering wheel. Visually, examine the condition of the front tyres for uneven inner or outer shoulder wear, which would confirm the geometry is being affected by the worn joints, and check that the tyres themselves are no more than a few years old regardless of tread depth, as fourteen-year-old sidewalls are prone to perishing and cracking even with adequate tread. Equally, inspect the rear suspension bushes, coil springs, and shock absorbers for any sagging or leakage, and ask for any historic receipts relating to suspension work already carried out. Beyond the suspension, several age-related items merit close examination before purchase. The 12-volt battery is well beyond its typical service life and is highly likely to require imminent replacement; a weak battery can also mask underlying alternator faults in Mercedes-Benz vehicles of this era. Brake discs should be inspected for lipping, scoring, or corrosion around the outer edge, particularly given that the car has covered substantial mileage and discs are often replaced at every second pad change. Test for any binding or dragging calipers by accelerating gently from a standstill and noting whether the vehicle pulls to one side. All fluid services should be verified by documentation, as brake fluid should be renewed every two years regardless of mileage, coolant and automatic transmission fluid typically require replacement on extended intervals in this generation of Mercedes-Benz, and the engine oil should show evidence of regular servicing with no dark sludging on the dipstick or filler cap. Finally, request a pre-purchase inspection via a diagnostic tool such as STAR Diagnosis or a compatible aftermarket reader to confirm that no fault codes are stored in the transmission, airbag, or ABS control units, as intermittent electronic faults can be costly to remedy on this platform.