2016 Mercedes-Benz GLA 2.1L Diesel · GL66 OFB

The most recent MOT test on 2026-04-03 resulted in a clean pass, but the vehicle’s history reveals a pattern of persistent and critical issues that have not been fully resolved. Between 2021 and 2026, the car failed MOTs multiple times with recurring major defects, particularly in the front drivetrain (constant velocity joints and anti-roll bar ball joints) and suspension components, alongside persistent wiper and tyre-related advisories. While the 2024 and 2019 tests were clean, the intervening failures suggest ongoing wear and potential neglect in addressing these fundamental mechanical failures. The advisory for play in the steering rack inner joint during the 2025-03-31 test further indicates a developing steering system concern that may require immediate attention to prevent further alignment or suspension damage. The recorded mileage of 102,370 miles for a 2016 GLA represents a moderate annual usage rate of approximately 10,237 miles per year, which is consistent with its age and typical driving conditions. However, the MOT failures do not align neatly with mileage progression—some defects, such as the worn anti-roll bar ball joints and CV joint boots, appear to have developed despite relatively stable mileage accumulation. The vehicle’s age and the presence of multiple failed components suggest that the owner may have either driven it heavily in certain periods or failed to address wear-related issues promptly. This could lead to accelerated deterioration in other systems, such as the drivetrain, suspension, or braking components, if not properly serviced. For a prospective buyer, this vehicle demands rigorous inspection due to its history of critical failures. Start by examining the front drivetrain for leaks around the CV joints, which may indicate further internal damage or seal failure, and listen for unusual noises (e.g., whining or clunking) when accelerating or turning. The anti-roll bar ball joints show significant wear, so check for excessive play in the suspension when the vehicle is lifted slightly—this could lead to uneven tyre wear or steering instability. Inspect the steering rack for leaks or binding, and test the wipers thoroughly to ensure they operate smoothly; a failing wiper blade can impair visibility and may require replacement. Additionally, verify the tyre tread depth and condition, as the previous advisories suggest some damage or uneven wear patterns, which could indicate alignment or suspension issues. Beyond mechanical checks, address the calendar-based fluid servicing and general maintenance. Given its age, the engine oil, differential fluid, and brake fluid should be checked for degradation, as fluids can break down over time even with moderate mileage. Inspect the rear brakes for corrosion or binding calipers, particularly if the vehicle has been stationary for extended periods, as standing corrosion can cause brake disc warping or seized components. Finally, verify the service history for the CV joints, anti-roll bars, and suspension components, as these failures have been recurrent and may require professional repair or replacement to restore roadworthiness and reliability. A thorough inspection by a qualified mechanic is strongly advised before purchase to assess the extent of the repairs needed and avoid unexpected costs.