2018 Mercedes-Benz AMG CLA45 Engine Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- 7,472miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2018 Mercedes-Benz AMG CLA45, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 7,472 miles.
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.
“As I accelerated out of a left turn, the engine suddenly shut off, the transmission shifted into neutral, and the dash indicated that the vehicle was 'inoperable'. I pulled over and turned off the ignition. When I attempted to restart, the vehicle started with no issues.”
NHTSA complaint #11029885, filed 2017-09, 1,945 miles“Accelerating out of a left turn, the car hesitated momentarily then the engine completely shut down in traffic. The dash indicated that the car had become inoperative, possibly due to the electronic stability program (esp) issue.”
NHTSA complaint #11149454, filed 2018-11, 13,000 milesRelated service bulletins
- 11018215May 2, 2025Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the SCN coding in the Belt-driven Starter Alternator (BSA) control…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 3 | 50% |
| 2014 | 2 | 13% |
Other parts of the 2018 Mercedes-Benz AMG CLA45
3 complaintsElectrical system
2 complaintsTransmission and drivetrain
2 complaintsElectronic stability control
1 complaints
← All problems reported for the 2018 Mercedes-Benz AMG CLA45
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