2020 Mercedes-Benz GLC 1.9L Diesel · DF69 AOY

The most recent MOT test conducted on the 2026-02-16 resulted in a clean pass with no defects recorded. Despite the earlier MOT failures in January 2023, where registration plate compliance was a major issue and multiple brake and tyre advisories were noted, the vehicle has demonstrated a notable improvement in roadworthiness since then. The absence of any failures or advisories in the intervening period suggests a positive maintenance trend, particularly in addressing the previously flagged issues. However, the recurring advisories on brake components and tyre wear indicate that the vehicle’s braking system and tyres are approaching their operational limits, warranting careful attention to prevent potential safety concerns. The vehicle’s recorded mileage of 51,643 miles at the time of this assessment represents a reasonable annual usage rate of approximately 8,607 miles per year, which is typical for a six-year-old GLC within the UK. This usage level suggests moderate to heavy use, particularly considering the vehicle’s age, which could accelerate wear on consumables such as brake pads, tyres, and suspension components. The absence of significant mileage gaps or rapid accumulation over the past few years supports the likelihood of consistent driving habits, though the wear advisories suggest that the wear rate on critical components has been higher than average. Buyers should be aware that this mileage profile may necessitate more frequent checks on fluid levels, suspension integrity, and brake system efficiency to mitigate the risk of premature component failure. Given the recurring advisories on brake pads and discs, the buyer should conduct a thorough inspection of the braking system during the inspection process. Focus on the rear brake pads, which are reported to be wearing thin, and check for any signs of excessive heat discolouration or glazing, which could indicate overheating or uneven wear. Listen for any unusual noises such as grinding or squeaking during braking, particularly at the rear, as these could signal imminent pad failure or warping of the discs. Inspect the rear brake discs for pitting, scoring, or warping, which may require replacement if the wear depth exceeds the legal limit or if the discs show signs of structural compromise. Additionally, examine the tyre treads closely, as the near-side front and rear tyres are nearing or have already reached the legal minimum tread depth, with signs of edge wear that could compromise traction and hydroplaning resistance. For the tyres, which are also showing significant wear patterns, the buyer should verify that the remaining tread depth is adequate for safe operation and consider replacing them before they reach the legal limit. Check for any signs of sidewall damage, such as cracks or bulges, which could indicate underlying structural weaknesses or previous impact damage. The advisories on the near-side rear tyre and front tyre suggest that the vehicle has been subjected to uneven loading or driving conditions, which may have contributed to the edge wear. During a test drive, monitor for any signs of uneven tyre wear, such as cupping or feathering, which could indicate suspension or alignment issues. The advisories regarding undertrays obscuring components should also be addressed promptly, as they may conceal potential fluid leaks or other hidden defects that could compromise the vehicle’s safety or performance. Finally, ensure that the registration plate is compliant with current UK standards, as this was a major failure in the previous MOT and could lead to a repeat failure if not rectified. For the tyres, consider a full rotation and balancing if the wear patterns are asymmetric, and always check the sidewall for any signs of age-related perishing, which can reduce the tyre’s overall safety and durability.