2005 Mercedes-Benz CLK 2.1L Diesel · SK55 SLU

This Mercedes-Benz CLK from 2005 has demonstrated a stable but inconsistent maintenance pattern over the past three MOT cycles, with the most recent test on 2025-01-18 passing cleanly at 155,461 miles. The absence of defects in both the January 2025 and January 2024 tests suggests the vehicle has avoided major mechanical failures during those periods, though the repeated failures in January 2025 and January 2024—each just 481 miles apart—raise questions about administrative oversight rather than technical issues. The lack of recorded defects in any test implies no recurring faults were formally logged by the tester, but the pattern of back-to-back failures at identical mileage intervals (144,179 and 144,407 miles in 2024, 155,120 and 155,461 miles in 2025) warrants scrutiny of whether the vehicle was simply retested rather than properly maintained between cycles. The recorded mileage of 155,461 miles over 21 years averages approximately 7,403 miles annually, which aligns with typical usage for a vehicle of this age. There are no significant gaps or abrupt spikes in mileage between tests, though the consistency of the January testing dates—suggesting deliberate scheduling—may obscure potential irregularities in between. The most notable observation is the absence of any MOT entries outside the January window, leaving a full year’s worth of unrecorded usage between tests, which could mask undocumented repairs or neglect. Given the lack of formal defects in the MOT history, a buyer should prioritise an independent inspection of high-wear components typical for this vehicle’s age and mileage. Focus on the suspension system—particularly the condition of coil springs, bushes, and shock absorbers—for signs of deterioration or leaks, as these are often overlooked in routine checks. The braking system, including rear calipers and discs, should be examined for binding or uneven wear, especially if the vehicle has experienced repeated near-miss failures. Structural integrity, particularly around the wheel arches and sills, should be assessed for corrosion, as Mercedes-Benz models from this era are prone to rust-related failures. Finally, verify the integrity of the exhaust system and catalytic converter, as emissions-related failures are common in older vehicles and often indicate broader maintenance lapses.