2021 Mercedes-Benz GLB 200 AMG Line Prem + D 4M A 1.9L Diesel · J80 RNX

The vehicle’s most recent MOT test on 31 December 2025 confirms it remains roadworthy at 47,297 miles, with no defects recorded across three consecutive passes. This clean history suggests consistent compliance with UK roadworthiness standards, though the absence of advisories or defects does not preclude hidden wear—particularly in high-stress areas like suspension bushes, coil springs, or brake calipers. The 2025 test’s proximity to today (just six months old) is reassuring, but the lack of any warnings means a buyer must treat this as a baseline rather than a guarantee of current condition. No recurring failures are evident, but the record’s sparsity leaves critical components—such as subframe integrity, exhaust system seals, or electrical wiring—unverified beyond the tester’s cursory inspection. The mileage progression of roughly 9,459 miles annually aligns with typical usage for a vehicle of this age, with no abrupt jumps or prolonged inactivity. The intervals between tests (approximately 12,000 miles each) reflect standard MOT frequency, though the gap between the 2023 and 2024 tests (17,670 miles) is slightly longer than the subsequent 15,944 miles. This minor variation is unremarkable, but the absence of any advisories during these periods implies either disciplined maintenance or deferred attention to wear items. The recorded mileage at the last test (47,297) suggests the vehicle has not been subjected to excessive stress, though the true condition of consumables like brake pads, tyres, or wiper blades cannot be confirmed without a closer inspection. Given the clean MOT history, a buyer should prioritise a thorough examination of suspension components, particularly the rear axle’s alignment and condition of bushes or ball joints, as AMG-line vehicles often experience accelerated wear in these areas. The brakes, while not flagged, warrant scrutiny for uneven pad thickness or binding calipers, especially if the vehicle has been driven hard. Corrosion checks are essential, focusing on the wheel arches, subframe, and exhaust system—common weak points for Mercedes models exposed to UK road conditions. Finally, the electrical system, including all sensors and wiring harnesses, should be tested for integrity, as hidden faults in these areas frequently evade MOT scrutiny but pose significant safety risks. The lack of advisories does not negate the need for these checks; it merely underscores that the vehicle has not failed to meet the minimum legal standards.