*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Wheels
. Left front wheel assembly lug bolts. All five lug bolts sheared off completely while driving, resulting in a wheel separation and structural failure. Yes, four of the five physical sheared lug bolts are preserved and immediately available for independent forensic laboratory inspection upon request.\n\n2. The left front wheel assembly separated while operating the vehicle on a public roadway at speed. This caused an immediate loss of directional vehicle control and severe chassis instability, posing an imminent, life-threatening risk of a high-speed rollover, collision with oncoming traffic, or total wheel detachment on a major highway.\n\n3. Yes. Following the incident, the vehicle was…
Jul 18, 2026WheelsCrash
1. Left front wheel assembly lug bolts. All five lug bolts sheared off completely while driving, resulting in a wheel separation and structural failure. Yes, four of the five physical sheared lug bolts are preserved and immediately available for independent forensic laboratory inspection upon request. 2. The left front wheel assembly separated while operating the vehicle on a public roadway at speed. This caused an immediate loss of directional vehicle control and severe chassis instability, posing an imminent, life-threatening risk of a high-speed rollover, collision with oncoming traffic, or total wheel detachment on a major highway. 3. Yes. Following the incident, the vehicle was towed…
Jul 18, 2026Air bags
The contact owns a 2014 Mercedes-Benz CLA250. The contact stated that while driving at undisclosed speeds, the air bag warning light illuminated. The contact stated that there was an abnormal snapping sound coming from the vehicle. The vehicle was taken to a dealer where a code reader retrieved information that there was a fault with the SRS sensor. The contact was charged for a diagnostic test and provided an estimate for the repair. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 150,000.
Mar 16, 2026 · 150,000 milesElectrical system
The shifter randomly stops working so I could have the car in reverse and not be able to put it in drive and be stuck in traffic or vice versa. I can have the car and drive and not be able to put it in reverse. I'd be stuck in traffic very dangerous.
Jan 1, 2026EngineFire
The contact owns a 2014 Mercedes-Benz CLA-Class. The contact stated that upon approaching the vehicle, she discovered that the driver's side window was shattered. The sunroof was brown, and there was a hole in the dashboard showing the engine. The contact stated that the vehicle had caught fire; however, the fire extinguished on its own. There were no prior warning lights illuminated. There were no reported injuries, air bag deployment, or police report filed. The fire department responded and was present at the scene, and disconnected several wires. The local dealer was not contacted. The manufacturer was not notified of the failure. The failure mileage was unknown.
Mar 10, 2026Engine
I own a 2014 Mercedes-Benz CLA 250 with the 2.0L turbocharged 4-cylinder M270 engine. The check-engine light came on and an OBD-II scan showed fault code P052E / P052E71, which indicates that the valve for crankcase ventilation (PCV / crankcase ventilation valve integrated into the valve cover) has a malfunction and the actuator is blocked. The vehicle is available for inspection and, if the repair is performed, the failed part can be retained. This appears to be the same failure that has been documented by other owners and by Mercedes-Benz on the related M274 engine used in other models (same 2.0L turbo engine family and PCV / crankcase ventilation design, but in a longitudinal layout).…
Nov 15, 2025Engine
P052e common crankcase ventilator issue mercedez extended warranty for later models for this same consistent issue in all the cars excluding 2014 starting at 2015 vehicles making us pay over $2000 for a fix supposed to be free being that it's all mercedes even the year before Should be a recall along with the hundreds of thousands of people with same issue online same car.
Aug 1, 2025Structure
The contact owns a 2014 Mercedes-Benz CLA250. The contact stated while driving 30 MPH, the contact briefly lost control of the vehicle, prompting the contact to pull over to the shoulder of the roadway. After a visual inspection, the contact observed excessive rust underneath the rear subframe. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to Extended WarrantyâRear Subframe Damage Code: 35441 47. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 100,000.
Feb 25, 2025 · 100,000 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.