2011 Mercedes-Benz E 3.0L Diesel · G9 FOG

The mechanical profile of this 2011 Mercedes-Benz E-Class is dominated by a clear and specific concern centred on the rear axle tyres, rather than any broader structural or mechanical deterioration. Across eight recorded tests spanning 2018 to early 2024, the vehicle has passed seven times with completely clean results, but a single failure on 23 February 2023 resulted in a Dangerous defect for ply or cord damage on the nearside rear tyre, alongside an advisory for offside rear edge wear. Just three days later, on 24 February 2023, the same vehicle passed with no defects recorded, indicating a replacement was carried out to remedy the issue. Both rear tyres were flagged for edge wear in March 2022, establishing a recurring pattern of asymmetric rear-tyre degradation that re-emerged the following year in a more severe form. Aside from these tyre-related items, no suspension, brake, corrosion, or exhaust defects have been recorded across six years of testing, suggesting the chassis, braking system, and emissions package have remained within MOT thresholds without intervention. The recorded mileage of 85,641 miles over approximately fifteen years equates to a usage rate of around 5,700 miles per year, which is notably low for a vehicle of this age. The MOT records show consistent annual testing from 2018 through 2024 with no multi-year gaps, which means the car has been on the road and subject to inspection every year of the recorded period. Such low annual mileage typically indicates short journeys or occasional use rather than sustained motorway driving, and mechanically this can have mixed implications. Components that benefit from regular sustained use, such as the diesel particulate filter (if applicable), timing chain tensioners, and oil seals, may be more prone to issues from cold starts and infrequent long runs, while traditional wear items like brake discs, friction material, and clutch components tend to last longer. The relatively consistent testing pattern suggests the vehicle has not been laid up for extended periods within the recorded history, which is a positive indicator for the condition of seals, gaskets, and brake hydraulic components. For a prospective buyer, the priority inspection area is clearly the rear suspension geometry and wheel alignment, given the recurring edge wear on both rear tyres in 2022 and the more severe cord damage on the nearside rear tyre that led to the 2023 failure. On a test drive, listen for any clonking or rattling from the rear over uneven road surfaces, particularly from the multi-link suspension arms, trailing arms, and bushes, as worn rear suspension components are a known cause of inner or outer edge tyre wear on Mercedes-Benz vehicles of this era. Check that the rear tyres currently fitted are of matching brand, size, and tread depth, and inspect them for uneven wear patterns across the tread width, which would suggest alignment or suspension issues persist. A hands-on check of the rear camber by examining whether the tyres sit vertically or lean inwards at the top would also be worthwhile, as excessive negative camber is a frequent contributor to the type of edge wear documented in the MOT history. Beyond the rear-axle concerns, the test drive should include a thorough assessment of general mechanical condition given the low annual mileage profile. With the engine at operating temperature, listen for any timing chain rattle on initial startup, particularly from a cold start, as Mercedes-Benz M271 petrol and OM651 diesel engines of this generation can develop chain tensioner wear. Check for any signs of oil leaks from the sump, valve cover gasket, or rear main seal, and inspect the underside for any corrosion on subframe mounting points, brake pipes, and fuel lines, as road salt exposure over fifteen years can take a toll even on a well-engineered chassis. Brake feel should be firm and progressive without any sponginess, and the pedal should not travel excessively to the floor, which would suggest corroded brake pipes or a failing master cylinder. Finally, verify that all dashboard warning lights extinguish promptly after startup and that there are no stored fault codes related to emissions control systems, particularly if the vehicle is fitted with a diesel particulate filter that may have been affected by the low annual mileage usage pattern.