2016 Mercedes-Benz S-Class 3.0L Diesel · LL66 EWP

A remarkably clean MOT record defines this S-Class, with five consecutive passes stretching back to 2022 and absolutely no advisories or failures flagged across the entire history. The most recent test on 24 March 2026 returned a pass with no defects recorded, continuing an unbroken run of roadworthy outcomes that demonstrates consistent mechanical compliance over the four full test cycles available. For a flagship saloon of this vintage and complexity, the lack of any flagged component wear, corrosion concerns, or emerging brake, suspension, or lighting defects is an unusually strong indicator of underlying condition. This trend suggests the vehicle has not yet encountered the structural or consumable wear patterns that typically begin to surface on premium vehicles as they pass the decade mark. With 83,514 miles recorded over approximately ten years, the S-Class has covered around 8,351 miles annually, placing it squarely within typical usage parameters for a vehicle of its age and class. There are no missing test entries, no suspicious mileage discontinuities, and no extended periods off the road, meaning the odometer history can be considered reliable and the usage pattern consistent. This steady accumulation rate is mechanically favourable: it avoids the risks associated with very low annual mileage, such as dried seals, stale fluids, and seized components, while also steering clear of the accelerated wear to clutches, suspension bushes, and braking systems that come with high-mileage driving. The pattern points to regular but moderate use, likely a mix of motorway and town driving consistent with the S-Class's character. Despite the immaculate MOT record, a prospective buyer should still perform a focused physical inspection because the absence of advisories does not preclude developing wear on complex suspension geometry, air suspension components, or electronic systems that fall outside standard MOT checks. On a test drive, listen carefully for any thuds or clonks from the front suspension over uneven surfaces, particularly over speed bumps, which would indicate worn upper or lower control arm bushes, drop links, or anti-roll bar mountings. The S-Class frequently uses air suspension or ABC active body control systems, so any noticeable sagging at a corner when parked overnight, warning messages on the dash relating to suspension, or a failure to self-level should be investigated immediately as repair costs in these areas can be substantial. Pay particular attention to the braking system during the road test, feeling for vibration through the brake pedal or steering wheel under firm application, which would suggest warped front or rear brake discs. Inspect the inner faces of the wheels and the visible brake pad material through the alloy spokes, as S-Class brake components are large and can wear unevenly. On the road, check for any steering pull to one side under braking, which may point to a binding caliper or uneven pad wear. Under the bonnet, examine the engine and surrounding components for any signs of oil misting or weeping from the cam covers, oil filter housing, and front crankshaft seal, areas prone to seepage on Mercedes V6 and V8 engines. Finally, with the engine idling from cold, listen for any timing chain rattle on initial start-up, a known concern on higher-mileage M276 and M278 units, and verify that the transmission shifts smoothly through all gears without hesitation or torque converter shudder when warm.