2021 Mercedes-Benz G-Class 3.0L Petrol · LP21 CWU

A clean two-test MOT history establishes a strong roadworthiness baseline for this 2021 Mercedes-Benz G-Class, with both the 2024 and 2025 examinations returning pass certificates bearing zero advisories or defects. The complete absence of recorded deterioration across consecutive tests suggests the structural, braking, suspension, and emissions components have remained within legal limits without flagging any wear points, corrosion concerns, or fluid leaks at the official inspection points. For a premium SUV of this calibre, the lack of even minor advisories typically associated with brake disc lipping, underbody corrosion, or suspension bush play is a reassuring indicator that the vehicle has not been pushed into hard service. The trend between the two tests is one of stability rather than emergence of new concerns, which is consistent with a vehicle whose mileage has remained modest relative to its age. Covering roughly 8,662 miles per year over its five-year life, the G-Class sits squarely within typical usage parameters for a high-end utility vehicle of its vintage. There are no extended gaps between recorded tests that would suggest prolonged off-road storage, and the single-year gap between the 2024 and 2025 examinations aligns with the standard three-year exemption window after registration followed by annual testing. The mileage is high enough to have put meaningful load through the drivetrain, brakes, and four-wheel-drive system to keep seals lubricated and components working, yet low enough to avoid the accelerated wear patterns seen on higher-mileage examples. Mechanically, this profile is favourable for the G-Class's typically heavy-duty running gear, as regular use prevents the flat-spotting of tyres, moisture accumulation in brake hydraulics, and oxidation of underbody components that can accompany long lay-ups. For a prospective buyer, the absence of flagged components in the MOT record means a test drive should focus on the systems most likely to show their first signs of wear on a G-Class of this age and mileage. Listen for any clonks or knocks from the front axle when traversing speed bumps or uneven surfaces, particularly from the radius arms, Panhard rod bushes, and anti-roll bar linkages, as these are known wear items on the solid front axle design. On the road, check for any steering wander, pulling to one side under braking, or uneven pedal response that could indicate binding calipers or warped front brake discs, both of which are common on heavier vehicles driven in mixed conditions. Inspect the underbody and sills carefully for any bubbling paint or surface corrosion, as even clean MOT records do not preclude corrosion forming between annual tests, particularly in salt-exposed areas or around the subframe mounting points. Finally, given that the G-Class features complex multi-link rear suspension and a sophisticated transfer case arrangement, ensure smooth engagement and disengagement of four-wheel-drive modes, and listen for any whining or humming from the differentials during tight turns that might suggest early bearing wear or low oil levels. Verify that all warning systems, including the tyre pressure monitoring and emission control indicators, function correctly at startup, as diesel-era G-Class models can develop sensor faults that would not necessarily be flagged under standard MOT categories. Confirm the service history corroborates the recorded mileage and includes recent replacement of brake fluid and transfer case oil, given the vehicle's age. The clean test history provides confidence, but a thorough pre-purchase inspection by a specialist familiar with the G-Class platform remains advisable to identify any developing issues not yet severe enough to fail an MOT.