2019 MERCEDES-BENZ GLC 350 Complaints and Recall Information
The 2019 MERCEDES-BENZ GLC 350 has 3 complaints and 204 recalls filed with NHTSA. Owners most frequently report loss of motive power accompanied by warning lights and error messages, as well as issues related to PCV valve failure. One complaint detailed a warped head gasket diagnosed after the vehicle lost power while driving at highway speeds.
Common Issues- Loss of motive power. Vehicle loses power unexpectedly while driving, with warning lights and messages such as "Stop Vehicle Immediately" displayed.
- Warped head gasket. Diagnosed in at least one case after the engine lost power and overheated at approximately 63,000 miles; repair was not completed by the dealer.
- PCV valve failure. Prevents the vehicle from passing emission tests; warranty coverage was inconsistently applied between related fault codes.
The 2019 GLC 350 is subject to 204 recalls affecting multiple systems, primarily communication modules responsible for the emergency call (eCall) system. These recalls address software errors and deactivation of communication modules that may disable emergency call functions and risk delayed emergency response.
Recalls- Communication module software. Recall 22V365000 affects 242,722 vehicles including the 2019 GLC 350. A SIM card software error causes mobile network failure disabling the emergency call system, increasing risk of injury. The fix is a software update via over-the-air or dealer repair. No "Do Not Drive" or "Park Outside" advisory. Owner notifications began July 8, 2022.
- Communication module location error. Recall 21V058000 affects 1,292,258 vehicles including 2019 models. The system may communicate incorrect vehicle location during an emergency call, risking responders being dispatched to the wrong location. The remedy is a software update at no cost to owners. No driving restrictions. Recall began March 12, 2021.
- Communication module deactivation. Recall 21V072000 affects 67 vehicles including the 2019 GLC 350. Service visits might inadvertently deactivate the emergency call module, disabling emergency calls. Dealers will inspect and reactivate the system free of charge. No driving restrictions. Recall began March 31, 2021.
Owners dealing with repeated repairs related to engine failure, emergency communication system malfunctions, or unresolved recall issues may have rights under their state’s lemon law. Consulting an attorney familiar with consumer protection and lemon law is advisable for those encountering ongoing problems.
2019 MERCEDES-BENZ GLC 350 Summary
2019
Model Year
3
Total Complaints
3
Total Recalls
1535047
Vehicles Affected
Recalls
2019 MERCEDES-BENZ GLC 350
242722 vehicles affected
ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Risk: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
2019 MERCEDES-BENZ GLC 350
67 vehicles affected
COMMUNICATION
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
Risk: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
2019 MERCEDES-BENZ GLC 350
1292258 vehicles affected
ELECTRICAL SYSTEM:SOFTWARE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Complaints
2019 MERCEDES-BENZ GLC 350
ID: 2070153ENGINE AND ENGINE COOLING
The contact owns a 2019 Mercedes-Benz GLC350. The contact stated while driving 62 MPH, several unknown warning lights illuminated, and the vehicle started to lose motive power. The contact stated that the temperature gauge warning light was illuminated and a message to “Stop Vehicle Immediately” was displayed. The contact attempted to merge to the side of the road; however, the vehicle started losing motive power. The vehicle was towed to a dealer where it was diagnosed with a warped head gasket. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 63,000.
2019 MERCEDES-BENZ GLC 350
ID: 2070152ENGINE
The contact owns a 2019 Mercedes-Benz GLC350. The contact stated while driving 62 MPH, several unknown warning lights illuminated, and the vehicle started to lose motive power. The contact stated that the temperature gauge warning light was illuminated and a message to “Stop Vehicle Immediately” was displayed. The contact attempted to merge to the side of the road; however, the vehicle started losing motive power. The vehicle was towed to a dealer where it was diagnosed with a warped head gasket. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 63,000.
2019 MERCEDES-BENZ GLC 350
ID: 2064220UNKNOWN OR OTHER
PCV valve failure preventing SMOG with 27,000 miles. Extended warranty provided with P052E71 code but not with P1D0313 code which is a related problem. Contacted Mercedes, and stated the problem and description per in extended warranty, it is related to problem which is a partial pcv valve. Please help to update. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)