Owner-reported issues — NHTSA
539 complaints filed with the National Highway Traffic Safety Administration for the C117 across model years 2014–2019. Federal public records, updated weekly.
| ENGINE | 52 reports |
| UNKNOWN OR OTHER | 47 reports |
| ELECTRICAL SYSTEM | 34 reports |
| STRUCTURE | 31 reports |
| POWER TRAIN | 30 reports |
| AIR BAGS | 26 reports |
| FUEL/PROPULSION SYSTEM | 19 reports |
| VISIBILITY | 14 reports |
Selected owner reports
2014 · AIR 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.
2014 · ELECTRICAL 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.
2014 · AIR BAGS
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 man
2014 · ENGINE
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.
2014 · STRUCTURE
The contact owns a 2014 Mercedes-Benz AMG CLA45. The contact stated that while driving approximately 65 MPH, the glass panel between the front windshield and the sunroof suddenly detached. The contact inspected the vehicle and found information on NHTSA Campaign Number: 23V854000 (Structure). The dealer was contacted and informed the contact the VIN was not included in the recall. The vehicle was not repaired. The manufacturer was informed of the failure and confirmed that the VIN was not included in the recall. The failure mileage was approximately 75,000.
2014 · VISIBILITY/WIPER
The ‘Sunroof shade’ malfunctioned. Just randomly came off-track. Yes, it is still available to inspect. Shade now hangs down and rises a safety concern for visibility. Not inspected by a dealer or other representative yet. No warning lights or failure notices are present.
2014 · STRUCTURE
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 Warranty–Rear Subframe Damage Code: 35441 47. The manufacturer was notified of the failure an
2014 · ENGINE
Check engine code p052e - PCV valve replacement (Crankcase Ventilation valve) - common issue on car and known recall for other models
2014 · VISIBILITY
The contact owns a 2014 Mercedes-Benz CLA250. The contact stated that while driving at an undisclosed speed, the contact became aware that the sunroof was inoperable. The contact stated that the glass panel had detached, and the contact became aware of a crack on the glass panel. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 89,000.
2014 · UNKNOWN OR OTHER
I was driving down the highway without any vehicles in front of me at around 65mph when all of a sudden my panoramic roof exploded out of nowhere, it sounded like a gunshot going off inside the car and I nearly crashed my vehicle from the sudden explosion, I luckily had the glass shade cover up and glass did not fall in my face, I had my [XXX] daughter and [XXX] son in the backseat and they are now terrified to get back into any vehicle. This is extremely dangerous situation and will cause a serious accident in the future if not fixed. Nothing hit my roof and I wasn’t even using it at the ti
2014 · ELECTRICAL SYSTEM
VEHICLE APPEARS TO BE A DIFFERENT VEHICLE OR POSSIBLY A CLONED VEHICLE ACCORDING TO FBI RECORDS . SAFETY DOES NOT MATCH UP NOR SPECS WITH THE VEHICLES VIN REPORT OR CARFAX . POSSIBLY A DUPED VEHICLE. CLAIMS REAR CAM NO CAMERA SPECS SHOW VEHICLE TO BE ELECTRIC OR BLUE LIQUID PROPELED . APP DO NOT WORK SAT SAYS ITS CONNECTED TO THE VEHICLE BUT NOT THIS ONE.
2014 · TIRES
TIRE TREAD TORE FROM THE INSEAM OF TIRE CAUSING ME TO BE STRANDED OUT OF STATE FOR 2 DAYS WAITING ON MEANS OF A NEW TIRE . THE VEHICLE PULLS AND NOW HAS NEEDED A SECOND TIRE REPLACEMNT ON SAME SIDE. CONSISTANT WARNING FROM TPM RIM BENT CAUSING RIM LEAK ON CURRENT TIRE. YES A TIRE SERVICE CENTER REPLACED THE TIRE COMPLETELY FAILED TO ACKNOWLEDGE BENT RIM .
Source: NHTSA consumer complaint database · synced 2026-08-23