2025 Mercedes-Benz GLC 350 E 4MATIC Engine Problems
- Complaints
- 3about this part
- Share
- 16%of 19 total for the year
- Median mileage
- 5,100miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 3 complaints about the engine of the 2025 Mercedes-Benz GLC 350 E 4MATIC, 16% of the 19 complaints for this model year. Where a mileage was given, the median is 5,100 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.
“My 2025 Mercedes-Benz GLC 350e displayed a “48V battery malfunction” warning on or about July 1, 2026, while the vehicle was less than one year old. The vehicle was taken to an authorized Mercedes-Benz dealership and remained there until approximately July 20. Mercedes-Benz USA became involved, and the dealership ultimately stated that the malfunction had been corrected through a software update. The 48V battery was not replaced. …”
NHTSA complaint #11761658, filed 2026-09“The contact owns a 2025 Mercedes-Benz GLC 350E. The contact stated that while driving approximately 60 MPH, the vehicle began decelerating, losing drive power till the vehicle stalled. The contact turned on their hazards and had the vehicle towed to the dealer. The Check Engine, Blind Assist, Exit Warning Inoperative, Towing Not permitted, with several other warning or failure lights illuminated. The failure occurred twice. The dealer diagnosed that the ignition unit had failed. The vehicle was repaired; however, the failure occurred again. …”
NHTSA complaint #11735471, filed 2026-05, 10,000 milesRelated service bulletins
- 11031359Apr 16, 2026Complaint Engine diagnosis indicator lamp (MIL) lights up. The vehicle starts or charges normally and without any problems. Current and saved fault code in DCCU and powertrain…
- 11028531Feb 3, 2026Complaint Check engine light illuminate, or previously on One of the below Exhaust Flap fault codes stored in PTCU N127: P13C273 P13C278 P140473 Cause Various Remedy Model year…
- 11023049Sep 9, 2025Complaint Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components.
- 11018516May 15, 2025Complaint Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components…
- 11014684Feb 28, 2025Complaint Red oil pressure warning in instrument cluster One of the below fault codes is stored in powertrain control unit N127: P052497 The oil pressure is too low. The system…
- 11013342Jan 31, 2025Complaint Check engine lamp activated, coolant warning message, and engine fan running at full speed. Below fault codes stored in N127 PTCU related to LIN network components…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 16% |
Other parts of the 2025 Mercedes-Benz GLC 350 E 4MATIC
8 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsVehicle speed control
2 complaintsLane departure
1 complaintsLatches, locks and linkages
1 complaintsSteering
1 complaintsSuspension
1 complaints
← All problems reported for the 2025 Mercedes-Benz GLC 350 E 4MATIC
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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