2018 Mercedes-Benz GLA 1.6L Petrol · PL68 AAE

The defining mechanical story of this GLA centres on a single but significant steering and braking event from mid-2024, with the rest of the recorded history showing stable roadworthiness. On 19 July 2024 the vehicle failed its MOT on a Major defect for excessive play in the nearside front steering linkage ball joint, accompanied by an advisory for thinning front brake pads. The very next day, 20 July 2024, the car was re-presented and passed, indicating the work was addressed promptly. Following that, the 2025 and 2026 tests both returned clean passes with no advisories whatsoever, suggesting the steering repair was completed properly and has held up. The only other recorded advisory across the entire eight-year history is a slightly perished offside rear tyre flagged in July 2023, which is a routine consumable item rather than a structural concern. Overall, the trend is one of a vehicle that suffered a one-off mechanical issue, was rectified, and has since returned to a clean, stable condition. With 74,054 miles recorded over roughly eight years, this GLA has covered about 9,257 miles annually, which is broadly typical for a vehicle of its age and class. There are no significant gaps in the testing record, indicating the car has remained in continuous use on the road rather than being laid up for extended periods, and the mileage accumulation appears steady. There is no evidence of any sudden or anomalous mileage jumps between tests. At this level of use, wear on consumables such as brake pads, discs, tyres, and suspension components is expected to be moderate rather than severe, though the front brake pads flagged in 2024 and the steering ball joint failure do suggest that front-end components are beginning to demand attention in line with the vehicle's age and mileage. Given the specific defect history, a prospective buyer should pay particular attention to the front steering and suspension geometry. The nearside front steering linkage ball joint that exhibited excessive play in 2024 is a critical wear item, and it is worth asking precisely which component was replaced and whether the work was carried out by a specialist. On a test drive, listen for any clonking or knocking from the front end over uneven surfaces, particularly over speed bumps or potholes, and feel for vagueness or slack in the steering response. Inspect the inner and outer ball joints, track rod ends, and front suspension arms for any perished or cracked rubber bushes, as these are common failure points on Mercedes-Benz chassis of this era. Also check for uneven or premature tyre wear on the nearside front, as this can indicate lingering geometry issues stemming from the earlier failure. Regarding the braking system, the front pads were noted as wearing thin in 2024, and while they evidently passed at the time, pad life at this mileage is finite. On inspection, check the current pad material thickness through the wheel spokes and examine the front brake discs for any lipping, scorching, or corrosion around the outer edge, as uneven disc wear can accelerate pad consumption. The rear offside tyre was flagged for cracking and perishing in 2023, so inspect all four tyres carefully for sidewall cracking, bulging, or age-related deterioration regardless of tread depth. Finally, given the vehicle's age and the presence of a previous steering failure, it is sensible to carry out a general under-bonnet and under-body check for any signs of fluid leaks, corrosion around suspension mounting points, or worn anti-roll bar drop links, all of which are common to this generation of Mercedes compact SUV.