2004 Mercedes E 2.7L Diesel · NK54 VLC

Recurring mechanical advisories regarding oil leaks and suspension component wear define the maintenance profile of this Mercedes E-Class. While the vehicle secured a pass on 2 December 2024, the history reveals a persistent oil leak that has been flagged as non-excessive across multiple testing cycles since at least May 2022. The mechanical trend shows a vehicle that is maintaining its basic roadworthiness but is entering a phase where cumulative wear on rubber components and seals is becoming more frequent. The presence of previous failures, specifically regarding tyre tread depth and exhaust mountings, suggests that while the car is currently compliant, it has required intervention to meet legal standards in the recent past. The recorded mileage of 169,801 miles over a 22-year lifespan represents an average annual accumulation of approximately 7,718 miles. This usage pattern is consistent with typical long-term ownership and suggests the vehicle has not been subjected to extreme high-speed motorway transit nor has it suffered from the stagnation associated with very low-mileage vehicles. Mechanically, this steady rate of use implies that while the drivetrain and engine components have been regularly exercised, the vehicle is at a mileage stage where age-related degradation of rubber bushes and seals is expected to manifest, as evidenced by the documented suspension and sealing issues. Prospective buyers should pay close attention to the engine bay and underbody during a physical inspection to monitor the reported oil leak. Although documented as not excessive, a persistent leak can lead to degradation of nearby rubber hoses or electrical connectors if the fluid is corrosive. On a test drive, pay particular attention to the rear suspension performance. The history of worn trailing arm pins and bushes, alongside previous wheel bearing play, means you should listen for any dull knocking or clunking sounds when traversing uneven surfaces or speed bumps, and check for any wandering or imprecise steering response that could indicate the suspension bushings have deteriorated further since the last recorded advisory. Tyre management also appears to be a recurring theme in the vehicle's MOT history, with multiple advisories for tyres being worn close to the legal limit or unevenly worn on the edges. This necessitates a thorough check of the current tread depth and, more importantly, the condition of the tyre sidewalls and the uniformity of the contact patch. Uneven wear on the edges can be a symptom of incorrect wheel alignment or worn suspension geometry. Ensure that the steering is straight when driving on a level road and that there is no significant pulling to either side, which would confirm whether the previous advisories regarding tyre wear and suspension components have been adequately addressed.