2020 Mercedes-Benz GLC 1.9L Diesel · SK70 WDJ

An unblemished testing profile with zero recorded defects or advisories across its entire MOT history defines the mechanical track record of this Mercedes-Benz GLC. This flawless run continued through its most recent inspection on 3 December 2025, where the vehicle secured a clean pass at 61,327 miles. This consistent absence of flagged defects indicates that, from a regulatory standpoint, the vehicle has met the UK roadworthiness standards without any escalating wear items or borderline components being noted by the testing stations since its first test in 2023. Accumulating an average of just over 10,200 miles per year represents a highly consistent and typical usage pattern for a premium mid-sized SUV of this age. The mileage progression shows steady annual increments, rising from its first test in late 2023 through to the end of 2025, which suggests regular, active road use rather than prolonged periods of damp storage or short, stop-start city driving. Mechanically, this steady accumulation means the vehicle has regularly operated within its designed thermal cycles, though at over 61,000 miles, major chassis and drivetrain components are approaching the mileage thresholds where natural wear begins to accelerate. Despite the exemplary MOT history, a prospective buyer must recognise that the MOT test is a non-dismantling inspection of basic safety items and does not guarantee the absence of wear on complex mechanical systems. On a test drive, particular attention should be paid to the multi-link front suspension setup of this GLC. Listen closely for any subtle knocking, clicking, or creaking noises when negotiating speed bumps or steering from lock to lock, which can indicate early wear in the suspension bushes or ball joints that has not yet reached the threshold of an MOT advisory. Additionally, feel for any steering pull or uneven tyre wear, as these heavy SUVs are prone to wheel alignment issues and front-end tyre scrubbing, especially on tight turns. The braking system and drivetrain also warrant close physical inspection prior to purchase. While the MOT tester found the braking efficiency acceptable and did not note thin pads or worn discs, a manual check should be performed to assess the lip on the front and rear brake discs and the remaining friction material on the pads. During the road test, apply the brakes firmly at speed to check for any pedal judder or steering wheel vibration, which would suggest warped discs or binding calipers. Inspect the engine bay for any signs of oil misting around the turbocharger or timing covers, and ensure the automatic transmission shifts smoothly without hesitation or jerking, as these critical drivetrain elements are not fully evaluated under the standard MOT testing protocol.