1986 Mercedes-Benz 420 4.2L Petrol · KUR 420

The vehicle currently holds a clean roadworthiness status, having passed its most recent MOT test on 24 April 2026 at 145,177 miles with no defects recorded. This represents a stable maintenance trend following a minor mechanical failure in 2018. The absence of advisories in the last three consecutive tests suggests that the vehicle has been maintained to a standard that avoids the typical accumulation of faults seen in cars of this age. The mileage pattern is exceptionally low for a vehicle of approximately 40 years, averaging roughly 3,600 miles per year. The data reveals significant periods of immobility or very light-term use. For instance, between May 2018 and October 2021, the car covered only 20 miles over three years. A more recent increase in activity between December 2024 and April 2026 saw 428 miles covered in just four months. While this low mileage reduces wear on the drivetrain and engine, it often increases the risk of degradation in rubber components, fluid breakdown, and brake system corrosion. A buyer should focus their physical inspection on components affected by age and long standing rather than high-mile wear. Given the 2018 failure regarding wiper efficiency and bulbs, verify that the wiper motor and linkage are free of seizure or cracking. More critical attention must be paid to the structural integrity of the chassis, sills, and wheel arches, as these are prone to rust on Mercedes of this era regardless of mileage. Additionally, inspect the brake system for seized calipers or perished hoses, which frequently occur in vehicles that remain stationary for extended periods.