Complaints by model year
| Year | Complaints | vs. typical* | Recalls | Top problem | Verdict |
|---|---|---|---|---|---|
| 2005 | 15 | −69% | 4 | Engine | Good |
| 2004 | 15 | −69% | 3 | Fuel System | Good |
| 2003 | 22 | −43% | 3 | Electrical | Good |
| 2002 | 68 | 4.6× | 3 | Electrical | Avoid |
| 2001 | 63 | 3.6× | 3 | Electrical | Avoid |
* Complaints compared with the median C320 year at the same age, so new and old years are judged fairly. How this works.
Most common Mercedes-Benz C320 problems
Latest Mercedes-Benz C320 recalls
Visibility › Sun/moon roof assembly
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.
Remedy: Dealers will inspect and replace the sunroof panel as necessary, free of charge. Owner notification letters were mailed January 10, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.
Visibility › Sun/moon roof assembly
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.
Remedy: Dealers will inspect and replace the sunroof panel as necessary free of charge. Owner notification letters were mailed February 3, 2023. Owners may contact MBUSA customer service at 1-800-367-6372.
Visibility › Sun/moon roof assembly
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf
Remedy: MBUSA will notify owners, and dealers will inspect the glass panel bonding and replace the sliding roof, as necessary, free of charge. The recall began July 10, 2020.
Air bags › Frontal › Driver side › Inflator module
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2009-2010 ML320 BlueTec 4Matic, GL320 BlueTec 4Matic and R320 CDI 4Matic, 2011 E350 Cabriolet and E550 Cabriolet, 2009-2011 ML350, ML350 4Matic, ML550 4Matic, ML63 AMG, and C63 AMG, 2010-2011 ML450 4Matic Hybrid, E350 Coupe, E350 4Matic, E550 Coupe, E550 4Matic,…
Remedy: MBUSA will their notify owners, and Fiat Chrysler will notify the affected Chrysler owners. Dealers for the respective brands will replace the driver's frontal air bag module, free of charge.
Frequently asked questions
What years of the Mercedes-Benz C320 should you avoid?
2002 and 2001 — these years have the most complaints relative to other C320 years at the same age, led by electrical system problems in the 2002.
What is the best year for the Mercedes-Benz C320?
2004 has the fewest complaints compared with other C320 years at the same age, followed by 2005 and 2003. Newer years can look better simply because fewer complaints have come in yet, so we compare like with like.
What are the most common Mercedes-Benz C320 problems?
Across all years, owners report the most problems with the electrical system (72), seats (45) and engine & cooling (26). Electrical complaints peak in the 2002 model year.
How many recalls has the Mercedes-Benz C320 had?
4 recalls across 2001–2005. The model year with the most is 2005. See all Mercedes-Benz C320 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.