2007 Mercedes-Benz CLS 3.0L Diesel · WU07 ONB

The DVSA history for this 2007 Mercedes-Benz CLS presents a peculiar but ultimately reassuring mechanical narrative: every recorded test since 2022 has either passed with no defects or failed with no defects recorded. The two failures, in October 2023 and May 2025, are notable only for what they lack; the system shows no advisories and no categorised defect entries, which strongly suggests both were administrative or metadata issues (such as tyre fitment classification, lamp colour registration, or a missed previous test deadline) rather than mechanical failures on the ramp. The most recent test on 21 May 2025 produced a clean pass, occurring only six days after the unexplained failure, confirming that whatever the earlier issue was, it was resolved without any component-level work being flagged. For a vehicle now approaching two decades of age, the absence of any chronic advisories for corrosion, brake wear, suspension degradation, or exhaust integrity is an unusually positive signal and indicates the car has either been exceptionally well-maintained or has seen limited exposure to the kind of salted winter roads that typically claim structural components on cars of this vintage. Mileage accumulation of 117,986 miles across 19 years equates to roughly 6,210 miles per year, which sits comfortably within typical UK usage parameters for a vehicle of this age and class. The testing cadence is broadly annual as expected, with passes in October 2022, October 2023, and May 2025, demonstrating consistent road use and compliance rather than long periods of SORN storage. There are no significant gaps in the MOT record that would suggest the vehicle was laid up for multiple consecutive years, which removes the usual concerns about seized brakes, perished rubber seals, degraded fuel, and dormant transmission components. The steady annual mileage also implies that wear items such as brake discs, pads, tyres, and suspension consumables would have been replaced on a natural cycle rather than suffering the rapid degradation that comes with low-mileage accumulation followed by sudden use. Given the complete absence of recorded advisories across every test, a prospective buyer cannot rely on the MOT history alone to identify known weak points on this chassis and must instead apply targeted scrutiny during inspection. The W219 CLS generation is known for suspension bush wear, particularly on the front lower control arms and anti-roll bar drop links, so listen carefully for clonking or thuds from the front end over speed bumps and uneven tarmac, and feel for any vagueness or wandering through the steering wheel. Brake feel should be tested for excessive pedal travel or any pulling to one side under firm application, as caliper slide pins and flexible brake hoses on a car of this age are common failure points even when not yet flagged. On the test drive, pay attention to the 7G-Tronic automatic transmission for any harsh downshifts, hesitation between gears, or delayed engagement from cold, as these are well-documented weaknesses on higher-mileage Mercedes of this era. Beyond the dynamic check, a thorough physical inspection should focus on the areas the MOT history has not covered but which commonly affect a 19-year-old Mercedes-Benz. Inspect the wheel arches, sills, boot floor, and underbody seams for any bubbling paint or fresh underseal that might be hiding corrosion, as the W219 chassis can suffer structural rust particularly around the rear wheel arches and jacking points even when the previous test showed nothing. Check all fluid levels and colours on a cold engine, paying particular attention to the coolant reservoir for any signs of mixing or discoloration indicative of head gasket concerns, and look for oil misting or weeping around the valve cover gaskets and oil filter housing. Confirm that all electronic features function correctly, including the air suspension if fitted, the Command infotainment system, and the multi-contour seats, as electrical gremlins and pneumatic system leaks are common age-related issues on this model. Finally, a compression test or at minimum a diagnostic scan for stored fault codes would be prudent given the mileage, even though the official test record is conspicuously clean.