2019 Mercedes-Benz A 1.3L Petrol · LL69 SZX

The most recent DVSA examination on 5 January 2026 resulted in a Pass, however the same date carries a recorded Fail alongside it. The cause of that failure was a Major defect relating to the Supplementary Restraint System warning lamp, indicating a fault within the airbag or seatbelt pretensioner circuit. This is not a minor or advisory item; an illuminated SRS warning lamp signifies that the airbags may not deploy as intended in a collision and requires diagnostic interrogation to determine whether the fault lies with a sensor, wiring loom, squib, or the control module itself. Confirming the remedial work carried out and obtaining evidence of post-repair diagnostic clearance is essential. The advisories recorded against this test reveal that both front brake pads are wearing thin and both front brake discs are worn, pitted or scored. This same cluster of front brake wear advisories was previously recorded on 11 November 2022, indicating a recurring front brake wear pattern rather than a one-off observation. The maintenance trend therefore shows a persistent focus on the front braking system over successive tests with an additional safety system concern now emerging, suggesting that prospective buyers should not view the recent Pass as entirely straightforward. The recorded mileage of 64,730 miles across seven years equates to approximately 9,247 miles annually, which is broadly typical for a privately used vehicle of this age and not indicative of either neglect from prolonged standing or excessive high-mileage abuse. MOT entries appear at regular intervals with no significant gaps, suggesting the vehicle has been in consistent use throughout its life. That said, even average mileage places steady demand on consumables and suspension components, and the recurring front brake wear pattern is consistent with normal forward-driven braking loads on this class of vehicle. Mileage progression between tests appears steady rather than erratic, which supports a stable maintenance narrative, though it does not remove the need to verify that scheduled servicing independent of the MOT has been carried out at the correct intervals. Given the recurring front brake advisories across two tests and the additional SRS failure, particular attention should be paid to the braking system and restraint system during any physical inspection and test drive. The front pads and discs will almost certainly require replacement imminently, and the cost of doing so as a paired axle set on both sides should be factored into any purchase negotiation. On a test drive, listen for any brake shudder or vibration through the steering wheel under moderate to firm braking, which would indicate the pitted or scored front discs are now within the safety-critical wear threshold. Pull away steadily and listen for any scraping or grinding from the front calipers, and check that the car does not pull to one side under braking, which could suggest uneven pad wear or a binding caliper. Request documentary evidence that the SRS fault has been rectified and cleared from the system via a diagnostic scan, as an unresolved airbag warning will prevent the vehicle from passing any future MOT and represents a genuine safety concern. Beyond the recorded items, a 2019 Mercedes-Benz A-Class approaching seven years of age warrants several age-appropriate physical checks regardless of the MOT record. Inspect all four tyres carefully for sidewall perishing or cracking caused by age-related rubber degradation, as tyres older than five years can deteriorate even if the tread depth remains legal. Examine the wheels for any signs of kerbing damage and verify that all four tyres are of matching make and specification, as mismatched tyres can affect ABS and stability control function. Check the condition of the 12V battery, as Mercedes-Benz vehicles of this era are sensitive to voltage drops which can precipitate warning lights and electrical faults; a weak battery is also a common cause of spurious sensor warnings including those affecting the restraint system. Verify the service book history for evidence of timely fluid changes including engine oil, brake fluid, coolant and the automated manual or dual-clutch transmission fluid where applicable, as calendar-based servicing is essential for these items regardless of the mileage covered. Finally, inspect the underside and wheel arches for any corrosion, particularly around suspension arms, mounting points and the exhaust system, and check that all electronic features including infotainment, climate control and driver assistance systems function correctly, as complex electrical faults can be costly to remedy on premium vehicles of this class.