2003 Mercedes-Benz CLK 2.6L Petrol · MA53 WTY

The MOT history for this 2003 Mercedes-Benz CLK tells a mechanical story dominated by front suspension and steering wear rather than general deterioration, and the most recent recorded test on 9 August 2023 was passed with no defects, but only after the same visit produced a failure for the nearside rear upper anti-roll bar being insecurely attached. Across the recorded tests there have been three failures: the anti-roll bar in 2023, a driver's seat fore/aft mechanism and windscreen washer issue in 2022, and a particularly heavy cluster of front-end defects in 2019 including both track rod end ball joints worn, an offside front suspension arm ball joint excessively worn, an airbag warning lamp fault, and a side repeater out, with a fractured nearside front coil spring flagged on the 2018 test. The advisories paint a consistent picture of a rear brake pipe issue recurring over consecutive tests (2018 nearside and offside rear, persisting into 2019 on the nearside) and a slightly noisy nearside wheel bearing noted in 2019. Taken as a whole the pattern is one of intermittent but significant chassis and corrosion-related advisories rather than a steadily worsening condition. Mileage on this CLK stands at 124,109 miles across 23 years, equating to roughly 5,400 miles per year on average, which is notably low for the age of the vehicle and the mileage bracket typically associated with Mercedes-Benz products of this era. There are visible gaps in the MOT testing history, with no recorded tests between 2019 and 2022, and again between 2023 and the present, indicating periods where the car was either off the road, did not require testing (under the older exemption thresholds that applied before 2012), or was used very lightly. Such low annual accumulation reduces wear on major drivetrain components but allows standing-induced issues to develop, particularly corrosion on underbody steel, drying and perishing of rubber suspension and brake seals, and degradation of brake fluid and hydraulic components. The fact that the brake pipe advisories appeared in consecutive years suggests slow-progressing underbody corrosion rather than an acute failure, consistent with a vehicle that has been used gently but not necessarily stored in ideal conditions. A prospective buyer should treat the front suspension as the priority area for physical inspection, as the record shows fractured coil spring, both track rod ends, and a lower arm ball joint all flagged within a five-year window. On a test drive, listen for clonking or knocking from the front end over speed humps and uneven surfaces, pay particular attention to any wandering or pulling under braking which can indicate worn steering linkages, and check for uneven front tyre wear which is a classic symptom of perished bushes or tired ball joints on this platform. The nearside wheel bearing noted as slightly noisy in 2019 warrants a steady-speed road check in a quiet area for any hum that changes with cornering load, as well as a raised inspection for any play in the hub. The rear brake pipe advisories covering both sides in 2018 and persisting on the nearside into 2019 should be examined with the vehicle on a ramp, looking for surface rust, pitting, or any flaking under the grease or protective coating that has been applied as a temporary measure. The 2022 failure for a non-functioning driver's seat adjustment mechanism and an inoperative windscreen washer are isolated electrical and convenience faults but should be checked during a viewing, as Mercedes seat mechanisms of this age frequently suffer from stripped plastic gears and broken cables. Finally, verify that the airbag warning lamp on the dashboard extinguishes promptly on ignition, as the 2019 SRS fault may have been rectified but any persistent illumination would indicate a deeper diagnostic issue requiring investigation before purchase.