Complaints by model year
| Year | Complaints | vs. typical* | Recalls | Top problem | Verdict |
|---|---|---|---|---|---|
| 2015 | 0 | typical | 3 | — | Few |
| 2014 | 1 | typical | 3 | Engine | Few |
| 2013 | 0 | typical | 3 | — | Few |
* Complaints compared with the median CLS63 year at the same age, so new and old years are judged fairly. How this works.
Most common Mercedes-Benz CLS63 problems
Latest Mercedes-Benz CLS63 recalls
Communication
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location.
Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge.
Engine and engine cooling › Engine
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 Mercedes Benz E350, E400, E400 4Matic, E63 4M S AMG, E350 4Matic, E63-4M S AMG, 2015 CLS400, CLS400 4Matic, CLS550, CLS63-4M "P" AMG, and CLS550 4Matic vehicles manufactured April 16, 2015, to April 22, 2015.
Remedy: MBUSA will notify owners, and dealers will replace the rubber seal, in the engine compartment, free of charge. The recall began on September 2, 2015. MBUSA's number is 2015080001.
Exterior lighting
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 CLS 400 and CLS 400 4matic, 2012-2015 CLS 550 and CLS 550 4matic, 2012-2013 CLS 63, 2014 CLS 63, and 2014-2015 CLS 63P. The affected vehicles have LED tail lights that may not light on the sides, reducing the rear side visibility of the vehicle.
Remedy: MBUSA will notify owners, and dealers will update the lighting controller software, free of charge. The recall began April 6, 2015. Owners may contact MBUSA customer service at 1-800-367-6372.
Structure › Body › Hood
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 E350 Sedan, E350 4Matic Sedan, E350 4Matic Station Wagon, E400 Hybrid Sedan, CLS 550 CGI, and CLS550 4Matic, 2013-2014 E550 4Matic Sedan, 2013 E63 Sedan, E63 Station Wagon and CLS63, 2014-2015 CLS63 4Matic, E63 4Matic Sedan, E63 4Matic Sedan "S", and E63…
Remedy: MBUSA will notify owners, and dealers will attach four additional retaining clips to the rubber seal, free of charge. The recall began March 6, 2015. Owners may contact MBUSA customer service at 1-201-573-5339.
Frequently asked questions
What years of the Mercedes-Benz CLS63 should you avoid?
None of the Mercedes-Benz CLS63 years has an unusually high number of complaints compared with the others at the same age.
What are the most common Mercedes-Benz CLS63 problems?
Across all years, owners report the most problems with the engine & cooling (1) and transmission & drivetrain (1). Engine complaints peak in the 2014 model year.
How many recalls has the Mercedes-Benz CLS63 had?
4 recalls across 2013–2015. The model year with the most is 2013. See all Mercedes-Benz CLS63 recalls by year.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.