Mercedes-Benz CLK reliability: common problems by model year
Across 6 model years, the Mercedes-Benz CLK has 239 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are fuel/propulsion system and electrical system. 2007 drew the most complaints (53), 2005 the fewest (33).
6
Model years tracked
239
Owner complaints
0
Recalls
38
Median per year
Source: NHTSA complaints and recalls filed for Mercedes-Benz CLK vehicles (US, public record). Typical used asking price $7,490–$10,995.
Which CLK years have the most problems?
Complaint volume by model year. Raw NHTSA totals, not adjusted for sales volume or time on the road, so older and higher-selling years accumulate more. Every year links to its full breakdown.
Sentiment is mixed and heavily dependent on the specific generation, engine, and maintenance history. For the first-generation (W208, ~1997-2002) and second-generation (C209/A209, ~2003-2010) road cars, long-term owner reports indicate that well-maintained exa
Rust corrosion on body panels (doors, trunk, fenders) and suspension components: very frequent on pre-facelift models, recurrent on later models.
Aging interior electronics and actuators: includes failing AC vent motors (requiring dashboard removal), malfunctioning headlight leveling hydraulics, and general electrical gremlins. Frequency: recurrent.
Suspension wear: multi-link systems with numerous bushings and ball joints wear out, leading to vague handling and noises, though the car may still drive smoothly. Replacement is costly. Frequency: recurrent.
Engine-specific faults: M112/M113 V6/V8: potential for valve cover and PCV box leaks, rear main seal leaks (expensive). M272 V6 (post-2004): potential balance shaft defect (very expensive) and variable intake manifold failures. M271 Kompressor 4-cylinder: faulty timing chains. Frequency: recurrent for leaks; engine-specific faults vary.
Automatic transmission concerns: 5-speed automatic generally robust but can develop conductor plate issues; 7G-Tronic (7-speed) has a known design defect with the transmission pump that can lead to failure. Fluid neglect is a major risk. Frequency: recurrent.
Owner insights cover all generations of the CLK. Individual model years are broken down above.