Reliability & cost of ownership

Mercedes Benz CLK430 Reliability & Common Problems

How reliable is the Mercedes Benz CLK430? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.

Mercedes Benz CLK430 problems by model year

31 owner complaints on file across 2 model years, sourced from the federal NHTSA database. We couldn't confirm the NHTSA recall list for those years — check the VIN at nhtsa.gov/recalls.

Year Recalls Complaints NCAP stars Full report
2000 CLK430Not confirmed20No overall rating on fileAI reliability outlook →
1999 CLK430Not confirmed11No overall rating on fileAI reliability outlook →

Most-complained-about components

Owner complaints filed with NHTSA against the Mercedes Benz CLK430, grouped by the component each complaint names — the fastest read on where this model gives trouble.

  • electrical system10 complaints
  • power train8 complaints
  • engine and engine cooling5 complaints
  • structure3 complaints
  • service brakes, hydraulic2 complaints
  • air bags2 complaints
  • suspension1 complaint
  • wheels1 complaint