2011 Mercedes-Benz B-Class 2.0L Diesel · GV11 FUW

The defining mechanical story of this 2011 Mercedes-Benz B-Class is one of borderline test results at the back end of each MOT cycle. Across five recorded DVSA tests since December 2023, the vehicle has alternated between pass and fail outcomes on consecutive days, with no defects actually recorded against either result. Specifically, a failure was logged on 2024-12-12 followed by a pass on 2024-12-13, and the same pattern repeated with a failure on 2025-12-15 alongside a pass also dated 2025-12-15. Because no advisory or failure items are listed, the exact reason for each refusal cannot be determined from the MOT history alone, but the pattern strongly suggests transient or easily rectified issues that were corrected between back-to-back presentations, such as a bulb renewal, a temporary emissions reading, or an advisory-level component that was borderline at the time of inspection. Any prospective buyer should treat this pass-fail rhythm as a flag warranting direct questioning of the seller and ideally a fresh pre-purchase inspection. Recorded mileage stands at 108,208 miles on a 2011 registration, equating to roughly 7,214 miles per year over a fifteen-year lifespan, which sits broadly within the expected range for a vehicle of this age. The test entries on file span only from late 2023 to late 2025, covering just two annual cycles, which leaves the bulk of the vehicle's life undocumented in MOT terms. The mileage progression between tests is modest and consistent with steady commuter use rather than high-mileage motorway work or extended periods off the road. Mechanically, this level of use typically places moderate demand on consumables and wear items such as brake discs and pads, tyres, and suspension components, while leaving less risk of fatigue issues associated with very high annual mileages. With no specific components flagged in the advisory or failure history, buyer guidance must focus on the systems most commonly responsible for age-related failure points on B-Class vehicles of this generation. On a road test, pay particular attention to the behaviour of the suspension over uneven surfaces, listening for knocking or clonking from the front lower wishbones, anti-roll bar drop links, and rear trailing arm bushes, all of which are known wear items on this platform. The steering should remain precise without vibration or pulling to either side under braking, and any vagueness around the straight-ahead position can indicate worn track rod ends. Brake pedal feel should be firm and progressive, with no judder through the steering wheel under heavy stopping, which would suggest disc warping. Given the absence of advisories, there is no MOT-derived pointer toward exhaust corrosion, underbody rust, or brake pipe deterioration, but these remain worth a physical inspection given the vehicle's age and the typical exposure of undercarriage steel to winter road salts. Check the exhaust system for blowing joints and the subframe and suspension mounting points for any visible corrosion when the vehicle is viewed on a ramp. The engine bay should be examined for oil seepage around the cam cover, oil filter housing, and turbo oil feed lines if a petrol turbocharged unit is fitted, as these are common areas of age-related weal. Confirm that all warning lamps extinguish promptly after start-up, that the automatic transmission changes smoothly through all ranges when warm, and that the climate control and electrical systems function as expected, as intermittent faults in these areas could account for the repeated late-cycle test refusals seen in the record.