2021 Mercedes-Benz CLA250 Other or unknown Problems
- Complaints
- 2about this part
- Share
- 29%of 7 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the other or unknown of the 2021 Mercedes-Benz CLA250, 29% of the 7 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My 2021 CLA 250 that I reached purchased as a used vehicle in the last three months and now is saying SOS unresponsive so in my vehicle where to get a motor vehicle accident, it will not be alerting any emergency personnel authorities and I think it’s really sad the whole fact that Mercedes-Benz has just ran you know a bunch of these vehicles through a bin filter and just because mine isn’t on the recall list even though it’s doing exactly what is one of the main major safety recalls. …”
NHTSA complaint #11759720, filed 2026-08“On Friday, September 27, around 12 pm, while driving on i880S near Union City, California, something horrific happened. The sunroof of my 2021 Mercedes CLA 250, with just 49,000 miles, suddenly exploded without any warning. The sound was so loud and violent, it felt like a gunshot. I was immediately overwhelmed with fear and panic as I struggled to process what was happening. In my rearview mirror, I could see shards of glass scattering across the road behind me. …”
NHTSA complaint #11617574, filed 2024-10Related service bulletins
- 11031558Apr 24, 2026Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names…
- 11030301Mar 25, 2026Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names…
- 11028809Feb 13, 2026Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The…
- 11027782Jan 21, 2026Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names…
- 11022909Sep 3, 2025Complaint The Dynamic or Park Camera button in the LCP is stuck or does not react. Cause In rare cases, tension between the component parts of the LCP and trim of the center…
- 11019746Jun 17, 2025Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names…
- 11014398Feb 20, 2025Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names…
- 10238424Jun 9, 2023In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice versa). Temperature setting in Mmc mobile application settings…
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 3 | 50% |
| 2021 | 2 | 29% |
| 2020 | 4 | 20% |
| 2019 | 5 | 22% |
| 2018 | 10 | 24% |
| 2017 | 4 | 14% |
| 2016 | 20 | 30% |
| 2015 | 17 | 28% |
| 2014 | 22 | 12% |
Other parts of the 2021 Mercedes-Benz CLA250
2 complaintsVehicle speed control
2 complaintsEngine
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2021 Mercedes-Benz CLA250
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology