2009 Mercedes-Benz C 1.6L Petrol · LB59 FDA

The most recent DVSA examination on 7 January 2026 resulted in a Pass, though it was accompanied by a Minor defect for an inoperative central upper stop lamp section and four advisories all relating to brake pipework on both front and rear circuits, with each pipe noted as corroded and covered in grease or other material. Looking at the broader pattern across the recorded tests, the maintenance trend is broadly stable but with persistent and recurring concerns rather than clear improvement or deterioration. The same front brake pipe corrosion advisories have appeared repeatedly from 2022 through to 2026, indicating an ongoing condition that the previous keeper has monitored rather than rectified, and suspension component defects have surfaced intermittently, including a Major anti-roll bar linkage dust cover failure on the nearside front in 2022 and another on the offside front in 2025, alongside a noted play in a front lower suspension arm ball joint. Such recurring advisories on a vehicle of this age suggest that underlying wear is being managed at the threshold of pass rather than actively resolved. With 130,753 miles recorded over roughly 17 years, this Mercedes-Benz C-Class has covered approximately 7,691 miles annually, which is broadly typical for its age and indicative of consistent, moderate use rather than extended periods of standing or unusually high motorway accumulation. This usage rate is generally favourable for preserving drivetrain and mechanical longevity, as it suggests regular warm-up cycles and consistent operation of consumables, though it is not so low as to raise serious concerns about seized calipers or perished coolant hoses. The relatively even accumulation also means that suspension and braking components have been exercised throughout their service life, which often reduces the risk of corrosion-related seizure compared with low-mileage or stored vehicles, though it does place greater wear demand on items such as wheel bearings, both of which were flagged with slight play in 2021 and would warrant rechecking given the intervening mileage. For a prospective buyer, the recurring brake pipe corrosion advisories should be the primary focus of any pre-purchase inspection. Despite being covered in grease or other material, surface corrosion on brake lines can advance to a stage where pipe integrity is compromised, particularly along underbody runs, behind wheel arches, and at pipe unions. A thorough physical examination with the vehicle raised on a ramp is strongly advised, paying particular attention to flaking, pitting, or any weeping of brake fluid from the lines and joints, as well as a brake fluid test for moisture content given the age of the vehicle. The lower suspension arm ball joint play and anti-roll bar linkage dust cover failures recorded in recent tests are also indicative of broader front suspension wear; on a test drive, listen for clonking or knocking noises over speed humps, uneven or wavy tyre wear patterns, vague steering, or vibration through the wheel, and inspect the bushes and drop links visually for splitting or excessive movement. Beyond the recorded defects, given the vehicle's age and mileage, several calendar-based service items warrant verification regardless of MOT outcome. The brake fluid should have been renewed at least every two years irrespective of condition, and a 17-year-old vehicle should have had multiple changes; old brake fluid is hygroscopic and can corrode the ABS modulator and caliper internals. Coolant, automatic transmission fluid (if applicable), and power steering fluid should likewise have been changed at manufacturer-recommended intervals, and the original 12V battery is almost certainly due for replacement, with Mercedes-Benz units of this era often lasting only five to seven years. Tyres, while showing recent wear advisories in 2023, should be inspected for sidewall cracking or perishing due to age even if tread remains adequate, and the parking brake efficiency advisory from 2025 suggests the rear caliper handbrake mechanism may require adjustment or refurbishment, often a sign of seized rear caliper mechanisms on Mercedes-Benz vehicles of this era. Finally, given the front wheel bearing advisories from 2021, a careful listen for any humming or droning that changes with vehicle speed or cornering is essential during the test drive, as progression from slight play to a failed bearing over intervening mileage is a common outcome on high-mileage examples.