2018 Mercedes-Benz C 3.0L Petrol · EF18 BBE

The latest MOT test on 2025-12-01 reflects a stable maintenance profile with a single passing result, though the vehicle’s history includes a single failure in 2022-12-02 for a malfunctioning pressure monitoring system in the nearside front tyre. The subsequent passing MOTs from 2022 to 2025 indicate no recurring critical failures, and the advisories recorded—primarily minor tyre cracking or perishing and a light oil misting in the offside rear shock absorber—are non-critical but warrant attention as they suggest early wear or minor degradation in those components. The absence of repeated advisories or failures over the past three years suggests the vehicle has been maintained adequately, though the tyre-related issues and shock absorber advisory merit closer inspection to prevent escalation. The recorded mileage of 27,332 miles for an eight-year-old Mercedes-Benz C-class is unusually low, averaging just 3,416 miles annually—a rate that typically reflects either light usage, long periods of inactivity, or potentially improper storage conditions. Such low mileage can mask wear in consumables like brakes and fluids, as standing vehicles are more prone to issues such as brake disc corrosion, caliper binding, and degradation of hydraulic fluids over time. Additionally, prolonged stationary periods may contribute to tyre perishing, particularly if the vehicle was exposed to fluctuating temperatures or direct sunlight, which accelerates sidewall cracking. The absence of higher mileage accumulation suggests the vehicle has not undergone significant operational stress, but this also means wear patterns may not be as pronounced as in higher-mileage examples of the same age. For a prospective buyer, the tyre advisories—particularly the nearside front and rear cracking—are critical to address immediately. Inspect the tyre sidewalls for signs of dry rot, which can compromise structural integrity and lead to sudden blowouts. On a test drive, listen for uneven tyre wear, which may indicate misalignment or suspension issues, and check for any vibration or pulling sensations that could signal tyre or wheel balance problems. The offside rear shock absorber advisory, showing light oil misting, suggests early signs of wear or internal leakage. During inspection, visually confirm the shock absorber for signs of swelling, oil leakage, or excessive play when compressed. If the shock absorber is compromised, it may lead to reduced ride quality, uneven tyre wear, or even vehicle handling instability, particularly on bumps or at higher speeds. Beyond the advisories, given the vehicle’s low mileage and age, the buyer should conduct a thorough physical examination for signs of standing-related corrosion, especially around the wheel arches, exhaust system, and undercarriage, where moisture and road salt can accelerate rust formation. Check the brake system for corrosion on discs and linings, which can cause binding or reduced braking performance, particularly if the vehicle has been stationary for extended periods. Verify the condition of the 12V battery, as prolonged inactivity can lead to sulphation or terminal corrosion, reducing reliability. Additionally, since the vehicle has not undergone a full fluid service within the recommended timeframe (typically every 60,000–100,000 miles or every 12–24 months), inspect the engine oil, differential fluid, and brake fluid for signs of degradation or contamination. Check the service book for any recorded fluid changes or maintenance intervals, and if none exist, consider a comprehensive fluid top-up and analysis to ensure optimal lubrication and performance. Finally, a pre-purchase inspection by a qualified mechanic would be prudent to confirm the absence of hidden mechanical issues, such as suspension component wear, drivetrain wear, or electrical system faults, which may not have been flagged in the MOT.