2019 Mercedes-Benz E 1.9L Diesel · LR69 OOV

The defining mechanical theme across this E-Class's MOT history is a pattern of tyre-related failures and accumulating front-end wear. The most recent test on 24 April 2026 was a pass, but it came only two days after a fail with a dangerous offside front tyre bulge caused by structural separation, and the same test recorded slight play in the nearside front lower suspension arm ball joint, slight distortion on both front road wheels, and pitted front brake discs. The 2025 test cycle produced a similar picture, failing on a malfunctioning tyre pressure monitoring system and a nearside rear tyre cut deep enough to reach the ply or cords, alongside advisories for thinning front and rear brake pads and the now-recurring front brake disc pitting. The earlier 2022 and 2023 entries show that tyre wear on both axles approaching the legal limit has been a longstanding issue, and the TPMS failure appears to be a repeat rather than a one-off, having first appeared as a PRS failure in October 2023 before returning as a Major in April 2025. Taken together, the trajectory is one of persistent consumables rather than acute deterioration, but a prospective buyer should not treat the current pass as evidence of underlying health; the advisories on the suspension joint, both front wheels, and brake discs are unresolved and warrant close attention. With 56,453 miles recorded over seven years, the average annual mileage of roughly 8,065 is broadly typical for the vehicle's age and indicates regular rather than intermittent use. The test gaps are minor, with entries in 2022, 2023, 2025 and 2026, suggesting the car has been on the road consistently and not subject to any extended lay-up that might raise separate concerns about stale brake fluid, seized calipers or deteriorated fuel system components. The mileage accumulation rate is unlikely to have placed excessive strain on the major mechanical units, but the recurring front brake and tyre advisories suggest that urban or stop-start driving patterns, which accelerate disc wear and uneven tyre wear on the driven axle, are plausible contributors. The absence of any advisories relating to corrosion, exhaust integrity, suspension springs, driveshaft gaiters, or fluid leaks across five recorded tests is a positive indicator that the structural and drivetrain condition has not raised MOT concern to date. For a prospective buyer, the priority items to physically inspect are the front suspension, braking system and wheels. The slight play noted in the nearside front lower suspension arm ball joint should be checked by hand with the wheel lifted, and any clonking or knocking transmitted through the steering when traversing speed bumps or potholes would suggest the joint has worsened since April 2026. On a test drive, listen for front-end creaks over uneven surfaces and feel for any vagueness or shimmy in the steering wheel, which could also indicate that the distorted front wheels have deteriorated or that balancing weights have been displaced. The front brake discs, already pitted and scored at the last test, should be inspected for lipping at the outer edge and tested for brake pedal pulsation under firm application, while a hot smell after driving or visible corrosion staining on the disc faces would confirm further deterioration. Both front tyres should be examined for shoulder wear, sidewall bulges and tread depth, paying particular attention to the offside front given its recent dangerous failure, and the nearside rear should be checked for cuts exposing the ply cords. The tyre pressure monitoring system merits particular focus because it has now failed or registered as inoperative on two separate occasions, in 2023 and again in 2025. A buyer should confirm whether the system has been properly reset, whether sensors have been replaced, and whether the warning light extinguishes after tyre pressure checks, as persistent TPMS faults on a Mercedes of this era are commonly linked to failed valve-mounted sensors or a control module issue rather than simply low pressure. The rear brake pads, flagged as wearing thin in 2025, will almost certainly require replacement by now given typical wear rates, and a grooved or metallic-sounding rear braking response under light pedal pressure would confirm that the pads have reached the backing plate. Finally, the fact that both the 2025 and 2026 tests produced advisories for front brake disc pitting on consecutive cycles suggests the discs may be approaching the minimum thickness specification, and any qualified inspection should measure remaining disc thickness with a micrometer to determine whether machining or replacement is imminent.