2014 Mercedes-Benz SLK 2.1L Diesel · LS14 AMX

The MOT history for this Mercedes-Benz SLK shows a fluctuating trend, though the most recent test in February 2026 at 48,010 miles passed with no defects. This indicates that the current owner has addressed previous issues identified by the tester. However, the record reveals a pattern of failure in consecutive years, with the vehicle failing tests in July 2024 at 43,394 miles and again in July 2025 at 46,661 miles. These recurring failures suggest a reactive maintenance approach where repairs are only performed upon inspection failure rather than a proactive preventative schedule. At 48,010 miles over 12 years, the vehicle has averaged a low mileage of 4,000 miles per year. While low mileage often implies less wear on the engine and gearbox, it increases the risks associated with long periods of standing, such as rubber component degradation and brake caliper seizing. The mileage gap between the July 2024 and July 2025 tests shows only 3,267 miles driven, which aligns with the low-use profile but highlights why certain components may have aged despite low mileage. A buyer should pay close attention to the suspension bushings and braking system, as low-use vehicles often suffer from perished rubber and corrosion on brake discs. Given the failures in 2024 and 2025, a thorough physical inspection of the structural integrity and underbody is necessary to ensure no hidden corrosion has developed. While the 2026 result is clean, the history indicates the vehicle requires consistent attention to remain roadworthy between annual tests.