One problem related to check engine light on has been reported for the 2012 Mercedes Benz CLA250. The most recently reported issues are listed below.
When attempting to pass or pulling out onto road way the car will suddenly lose power, check engine light comes on. This leaves the drivers in a very dangerous situation with on-coming traffic.
| Engine Exhaust System problems | |
| Engine Oil Leaking problems | |
| Check Engine Light On problems |