2019 Mercedes-Benz GLC 1.9L Diesel · RO69 NWF

The 2019 Mercedes-Benz GLC presents a stable maintenance trend through April 2025, but the April 2026 test cycle reveals a sudden cluster of wear-related advisories that demand closer scrutiny. The vehicle passed its most recent MOT on 16 April 2026 at 62,944 miles, yet the tester flagged three tyres worn close to the legal limit on the nearside front outer, nearside rear, and offside rear positions, along with worn rear brake discs on both sides. Two days earlier, on 14 April 2026 at 62,829 miles, the same vehicle failed with identical tyre and brake disc advisories, plus a non-functioning windscreen washer. The washer defect was rectified before the retest, but the tyre and brake wear items were carried forward as advisories rather than failures, suggesting the owner addressed only the minimum pass requirement rather than resolving the underlying deterioration. The mileage pattern tells a clear story of accelerated use in the final year. Between November 2023 at 34,804 miles and April 2024 at 39,795 miles, the vehicle covered roughly 5,000 miles in five months, a normal pace. From April 2024 to April 2025, it added another 10,300 miles, taking the total to 50,093. Then, in the twelve months leading to April 2026, the odometer jumped from 50,093 to 62,944 miles, an increase of 12,851 miles. That final-year surge is nearly double the annual average of roughly 8,992 miles across the vehicle's life and explains the sudden appearance of multiple wear items that were absent in every prior test back to 2023. The record itself is clean, with no gaps in annual testing and no structural or corrosion-related defects noted at any point. Buyers should focus their physical inspection on the rear braking system and the condition of the tyre sidewalls and inner edges. The repeated advisory for worn rear brake discs across both April 2026 tests suggests the rear calipers may be sticking or the pads have been left in service beyond their safe margin, which can accelerate disc wear and compromise braking balance. Uneven tyre wear on the outer edges, particularly the nearside front, hints at possible tracking misalignment or worn suspension bushes and ball joints that a static MOT inspection does not fully assess. A thorough check of the front and rear suspension components, including drop links, wishbone bushes, and coil spring seats, is advisable given the mileage concentration in the final year. The windscreen washer fault from the failed test was minor, but verifying the pump, pipework, and nozzle function remains worthwhile to confirm the repair was lasting rather than temporary. The vehicle's structural integrity appears sound based on the absence of corrosion or subframe-related advisories across six years of testing. The sudden wear cluster in 2026 is consistent with a period of heavier use rather than chronic neglect, but the pattern of deferring tyre and brake replacement until items approach the legal minimum raises questions about the owner's approach to preventative maintenance. A buyer should budget for immediate rear brake disc and pad replacement, a full set of four tyres, and a four-wheel alignment check before considering the vehicle mechanically satisfactory for regular use.