2013 Mercedes-Benz S-Class 3.5L Hybrid electric (clean) · DO07 LAC

A clean 2026 test with no recorded defects sits on top of an MOT record that has been largely free of structural or wear-related concerns across the seven tests shown, with the most recent pass on 27 July 2026 confirming a stable, uneventful pattern since 2021. However, the two failures logged in 2023 and 2020 highlight areas of recurring or systemic risk that should not be dismissed as isolated events. The 2020 failure for a supplementary restraint system warning lamp fault is particularly relevant on an S-Class of this era, given the complexity of the airbag, seatbelt pretensioner and occupant detection systems, and the fact that this warning can be triggered by anything from a loose connector under the seats to a genuine crash sensor or control unit fault. The 2023 failure was dominated by tyre fitment direction errors and headlamp aim issues across both lamps, including an incorrectly projected dip beam pattern, which suggests the car was either fitted with replacement tyres without regard to directional sidewall markings or had its headlamp units disturbed, possibly during bodywork repair or a bulb change. Taken together, the absence of brake, suspension, exhaust or corrosion advisories is positive, but the safety system and lighting faults deserve direct physical verification. Mileage accumulation is notably restrained for a vehicle of this age and class, with 61,053 recorded miles against a 13-year span equating to roughly 4,696 miles per year. There is a visible gap in testing between October 2019 and October 2020, with the mileage stepping from the 2019 test through to the 2020 and 2021 entries in a manner consistent with continued but limited use, and another short plateau between May 2023 and August 2024. For an S-Class with extensive electrical and pneumatic systems, prolonged periods of low use combined with short journeys can promote issues such as 12V battery depletion, dried rubber seals on air suspension struts and reservoirs, sticky door and boot latches, and dried-out brake fluid that has absorbed moisture, all of which can compromise roadworthiness without leaving obvious MOT evidence. The relatively modest mileage does mean that mechanical wear items such as brake discs, pads and tyres should not be heavily worn on inspection, but age-related deterioration of polymer, rubber and electrical components is the more pressing consideration. For a prospective buyer, the priority checks should be the supplementary restraint system and headlamp alignment. On the test drive, confirm the SRS or airbag warning lamp extinguishes promptly on ignition and stays off, check that both front seats do not disturb the lamp when moved or have their electrical connectors seated correctly, and ask whether any recent diagnostic scan was carried out, ideally with a fault code report available. For the lighting, verify that both headlamps produce a flat, sharp horizontal cut-off with no obvious scatter, and that the level control is functioning on switch-on and during engine running. Inspect all four tyres for correct directional fitting against the sidewall arrows, as the 2023 fail affected both rear tyres, and check the production date codes to ensure they are within a sensible age window for the vehicle. Given the low annual mileage, also test the operation of the air suspension system if fitted, listening for the compressor running excessively at start-up and checking that the car settles to ride height promptly, and feel for any knocking or harshness over uneven surfaces that could indicate perished bushes or top mounts rather than simply aged components.