Other complaints and recalls from NHTSA
Summary
The 2017 Mercedes-Benz GLC-Class has 23 NHTSA other complaints and 0 other-related recalls.
23
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Feb 5, 2026 | FUEL/PROPULSION SYSTEM | I smell gas in my car. There is a recall for the fuel parts on the 2019. I have a 2017 with the same... |
| Dec 18, 2024 | FUEL/PROPULSION SYSTEM | Strong gasoline smell coming from the engine bay every morning at start up. I removed protective pla... |
| Apr 26, 2024 | UNKNOWN OR OTHER | Sunroof just exploded |
| Jan 12, 2024 | FUEL/PROPULSION SYSTEM | Smell of gas |
| Sep 3, 2023 | UNKNOWN OR OTHER | P052E code showing on the diagnostic machine. This is an issue with the positive crankcase ventilati... |
| Jun 16, 2023 | UNKNOWN OR OTHER,ENGINE | Premature failure of the PCV assembly at 70,000 miles. Caused vehicle to turn off and sometimes engi... |
| Feb 20, 2023 | FORWARD COLLISION AVOIDANCE | Collision prevention assist inoperative. Car at local Mercedes dealer. Told that a $317 software u... |
| Jan 7, 2023 | FUEL/PROPULSION SYSTEM | CRANKCASE VENT VALVE PCV ENGINE LIGHT ON AIR POLLUTION DANGER STALLING DANGER |
| Dec 16, 2022 | UNKNOWN OR OTHER | The Panoramic roof glass exploded suddenly. Throwing shattered glass pieces on the Highway and into ... |
| Sep 7, 2022 | FUEL/PROPULSION SYSTEM | Defective crackcase vent valve |
| Aug 27, 2022 | UNKNOWN OR OTHER | The Crank Ventilation code is showing up for a code and this has been happening to all of these GLC ... |
| Jun 20, 2022 | UNKNOWN OR OTHER | I got the P052E error at about 50k miles. Many GLC 300s apparently have this issue. I need a new cra... |
| Jun 1, 2022 | UNKNOWN OR OTHER | vent valve po52e71 - I have found thousands of the same issue with my car online. Mercedes covers th... |
| Jun 1, 2022 | UNKNOWN OR OTHER | crankcase ventilation valve replacement required confirmed by the dealer. check engine light came on... |
| Feb 25, 2022 | FUEL/PROPULSION SYSTEM | The fuel line leaks directly under the driver seat. Filling the cabin with fuel vapors. Mercedes has... |
| Dec 1, 2021 | FUEL/PROPULSION SYSTEM | P052E code, Positive Crankcase Ventilation Regulator Valve failed. It is a known issue by Mercedes B... |
| Jul 15, 2021 | UNKNOWN OR OTHER | check engine light appears, car runs fine. the crankcase vent value was broken on our 2017 GLC300 ca... |
| Apr 9, 2021 | FUEL/PROPULSION SYSTEM | WHILE DRIVING, THE MALFUNCTION INDICATOR LAMP (MIL/CHECK ENGINE LIGHT) CAME ON. AFTER SOME DIGGING ... |
| Mar 23, 2021 | FUEL/PROPULSION SYSTEM | SMELLS LIKE GAS COMING THROUGH THE VENTS INTO THE CABIN OF THE VEHICLE AND CAUSES HEADACHES |
| Dec 1, 2020 | FUEL/PROPULSION SYSTEM | FUEL LINE LEAK: THE TEMPERATURE IN S. FLORIDA HIT A LOW OF 45 DEGREES TONIGHT ON 1 DEC 2020, FIRST... |