2020 Mercedes-Benz S-Class 3.0L Hybrid electric (clean) · B66 JWA

The vehicle demonstrates stable roadworthiness with no defects recorded in its last three MOT tests, including the most recent 2025-08-23 assessment at 139,662 miles. All prior tests from 2022 to 2024 also passed without issues, indicating consistent maintenance. No advisories or critical faults were flagged, suggesting the owner prioritized regular servicing. However, the high mileage of 139,662 miles for a 7-year-old vehicle raises concerns about potential wear on components subject to frequent use, such as suspension systems, brake linings, and drivetrain elements. The mileage progression reveals a sharp increase from 59,797 miles in August 2022 to 102,959 miles by August 2023—a 43,162-mile rise in 12 months—followed by a 32,189-mile jump to 135,148 miles by August 2024. This pattern suggests sustained heavy usage, which could accelerate wear on consumables like tyres and brake pads. The absence of defects in these tests does not preclude underlying issues, as MOTs primarily assess safety and emissions rather than comprehensive mechanical health. The sparse record between 2022-02-08 (36,662 miles) and 2022-08-15 (59,797 miles) also lacks detail, leaving gaps in the vehicle’s maintenance timeline. A buyer should prioritise inspecting the suspension system for worn bushes or coil springs, given the high mileage, and check brake discs and calipers for uneven wear or corrosion. The exhaust system’s integrity should be verified, as emissions compliance may degrade over time. Structural rust or corrosion, particularly in body seams or underbody panels, warrants scrutiny, though no such issues were noted in the MOT history. While the vehicle’s MOT record is clean, its usage pattern and age necessitate a thorough pre-purchase inspection to confirm component condition beyond what is assessed in standard tests.