2021 Mercedes-Benz CLA Problems: 1 Issues Every Owner Should Know
2021 model year · 700+ owner reports · Updated April 2026
According to Au7o's analysis of 700+ owner reports, the 2021 Mercedes-Benz CLA has 1 documented known issues. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is Front Suspension Strut Noise with 700 owner reports. Across all issues, repair costs range from $200 to $1,000. DIY maintenance guides at au7o.io.
All 1 Known Issues
On the 2014-2023 Mercedes-Benz CLA, the front struts and strut mount bearings develop clunking and creaking noises over bumps. The CLA shares its platform with the A-Class and both suffer from the same strut mount bearing wear issue, especially on models with sport suspension.
Common Symptoms
- Clunking from front end over bumps
- Creaking when turning the steering wheel while parked
How to Fix
Replace the front strut mount bearings first as the cheapest fix. If noise remains, replace the full strut assemblies with OEM or Sachs replacements. Alignment required after strut replacement.
What Owners Are Using
Parts and tips from 700+ owners who fixed this issue
- TipThe strut mount bearing is a $30 part and takes 1 hour per side. Try this before committing to $800+ full strut replacement.