2012 Mercedes-Benz E 2.1L Diesel · BA54 STU

A clean five-test pass sequence with zero advisories and zero failures across consecutive DVSA examinations represents one of the strongest roadworthiness signals available in the MOT record, and this Mercedes-Benz E-Class fits it precisely. The most recent test on 2025-06-09 closed another year of compliance, continuing the unbroken pattern established since the 2021 examination. With no recorded defects of any category, there is no component-level history to suggest chronic wear patterns, structural corrosion, or developing brake, suspension, or emissions faults. This kind of advisory-free record on a 14-year-old executive saloon is unusual and indicates that, at the point of each test, the vehicle met the minimum statutory standards across lighting, steering, suspension, braking, tyres, exhaust, and structural integrity. The risk for a prospective buyer is not what is on the record, but rather what may have developed since June 2025, particularly given the mileage the car has accrued. Against an age of approximately 14 years, the recorded 141,995 miles equates to an annual accumulation of around 10,142 miles, which is broadly consistent with typical mixed private and commuter use. There are no gaps in the annual testing cycle to suggest prolonged standing, and no mileage jumps between consecutive tests indicating tow-away recovery, odometer interruption, or rapid accumulation that might point to motorway fleet service or ride-hailing use. Mechanical implications of this mileage band are significant on a Mercedes-Benz of this era, however. Even with a clean MOT sheet, internal wear on the OM651 or M271 engine variants, automatic transmission servos, suspension control arms, and subframe bushings is expected at this odometer reading, and the MOT test does not cover component condition beneath the visual threshold for failure. A steady usage profile is mechanically kinder than sporadic low-mileage operation, but the cumulative wear on bushes, mounts, and flexible driveline components should be assumed. For a pre-purchase inspection, attention should centre on the suspension geometry and bushes, as these are typical wear items on W212 chassis E-Class vehicles at this mileage and would only appear as advisories once deterioration became pronounced. On a road test, listen for clonking or knocking from the front suspension over speed humps and uneven surfaces, and feel for vagueness or wandering through the steering on motorway speeds, which would suggest worn control arm bushings or tie rod ends. Inspect the front brake discs for lipping and the calipers for seizing or uneven pad wear, particularly after sustained downhill braking, and check that the steering returns to centre without binding. The rear multilink suspension is also prone to bush wear on this platform, so a solid clunk from the rear over bumps should be investigated. Body and structural condition warrants close scrutiny given the vehicle's age, even with no corrosion advisories recorded. Examine the wheel arches, sills, boot floor, and subframe mounting points for surface corrosion, paying particular attention to the jacking points and suspension turret areas where Mercedes E-Class vehicles of this generation are known to develop hidden rust. The engine bay should be inspected for oil misting or weeping from the rocker cover gasket, turbo oil lines, and front main seal, all of which are common on higher-mileage diesel and petrol variants. Verify that the automatic transmission changes smoothly without flare or harsh engagement, and check the level and colour of the transmission fluid via the dipstick if accessible. Finally, ensure that all electronic systems, including the COMAND unit, air suspension if fitted, and parking sensors, function correctly, as electronic faults are a more typical concern on this model than the structural and braking items that the MOT test is designed to catch.