CarRecallWatchThe 2018 Mercedes-Benz GLC 300 has 12 safety recalls on file with NHTSA.
Owners have filed 87 complaints with NHTSA, including 4 crashes, 1 fire, 2 injuries.
The most-reported problem area is Engine (28 reports).
2018 Mercedes-Benz GLC 300 recalls
Front Roof Panel May Detach, Creating Crash Risk
The front roof panel, located between the windshield and the panoramic sunroof, may not have been bonded correctly to the vehicle during a prior repair.
Emergency call system may fail to connect in a crash
A software error in the communication module's SIM card can cause a mobile network connection failure.
Front roof panel may detach while driving, creating a crash hazard
The front roof panel, located between the windshield and the panoramic sunroof, may not have been bonded correctly to the vehicle during a previous repair.
Emergency call system may be disabled, delaying crash help
Some 2017 to 2021 Mercedes-Benz vehicles may have had their communication module inadvertently deactivated during a service visit.
Crash Alert May Send Responders to Wrong Location
Certain 2016-2017 Mercedes-Benz vehicles have a software problem in the communication module that runs the automatic crash notification (eCall) system.
Passenger Airbag Status Light May Show Wrong Status
The infotainment (audio) head unit in these vehicles may incorrectly display the front passenger airbag as "ON" when it is actually off, or the status may not display correctly at all.
Rear seat belt latch may retract, blocking buckling
Certain Mercedes-Benz GLC vehicles from 2016 to 2018 may have a problem with the rear outboard seat belts.
Front turn signals may show the wrong color, raising crash risk
Some 2018 Mercedes-Benz GLC vehicles equipped with LED headlights may have front turn signals that display a pink or violet color instead of the required amber.
Driver Air Bag May Rupture and Injure Occupants
The driver-side front air bag inflator housing may have been made with defective steel.
Rear Seat Belts May Not Latch, Raising Crash Injury Risk
Certain rear outboard seat belt latch plates can retract into the interior paneling, so rear passengers may be unable to fasten their seat belts.
Roof Panels Can Separate and Create Road Hazard
Plastic trim panels on the fixed panoramic sunroof, at the front and sides, may not be bonded securely enough.
Driver Airbag May Deploy Unexpectedly, Raising Injury Risk
The driver's front airbag may deploy without warning because the steering components may not be properly grounded.
Most common 2018 Mercedes-Benz GLC 300 problems
Problem areas named in the 87 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Engine | 28 |
| Unknown Or Other | 20 |
| Electrical System | 13 |
| Structure | 10 |
| Power Train | 8 |
| Seat Belts | 8 |
| Fuel/Propulsion System | 7 |
| Air Bags | 6 |
| Service Brakes | 5 |
| Vehicle Speed Control | 3 |
What owners report
Error code P052E71 on a 2018 Mercedes-Benz GLC 300 4MATIC means the Positive Crankcase Ventilation (PCV) Regulator Valve Performance has a malfunction, specifically that the partial-load ventilation valve actuator is blocked. By research, i found that this is a very common problem on those engines, and no recalls from the company to fix their fault.
Component Failure: The vehicle is equipped with the M274 2.0L turbocharged engine, which suffered a major internal mechanical defect. An authorized Mercedes-Benz dealership diagnosed the vehicle at 79,504 miles with a malfunction in the crankcase ventilation system alongside severe internal defects, quoting a total repair estimate of $9,851 to perform extensive engine work. Safety Risk: This known manufacturing defect involves premature failure and cracking of the pistons, which poses an immediate safety hazard due to potential catastrophic engine failure and sudden, complete loss of motor power while driving at highway speeds. The manufacturer has failed to offer an extended warranty or rec
Safety Issue: Infotainment display screen produces scrambled pixels during Apple CarPlay navigation while driving. Description: When Apple CarPlay is connected and navigation is in use, the vehicle's infotainment display screen suddenly produces scrambled pixels, rendering the map and display unreadable. This malfunction occurs without warning while the vehicle is in motion, creating a dangerous visual distraction for the driver and uncertainty of where and when to turn or exit. This is a known, recurring issue. On January 7, 2021, I brought this problem to Mercedes-Benz of Indianapolis (Repair Order #624027), where a firmware update was applied and the issue was allegedly resolved. The fi
While driving on interstate 4 in Florida with our grandchildren going approximately 70 mph the sunroof on our 2018 Mercedes GLC just exploded no object came into the vehicle and while glass came into the vehiclenot all the glass that made up the sunroof came into vehicle suggesting a pressure issue as apparently blew out
The contact's friend owns a 2018 Mercedes-Benz GLC 300. The contact stated that while the owner was driving at an undisclosed speed, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended, and the gear shifter independently shifted to neutral(N). No warning lights were illuminated. In addition, the contact stated that the failure was persistent. The contact stated that the owner forced the gear shifter out of neutral(N). The vehicle was taken to the dealer, where it was diagnosed that the transmission control unit had failed and needed to be replaced. The vehicle was not repaired. The contact related the failure to an unknown recall, but the VIN was not include
2018 Mercedes-Benz GLC 300 questions
Does the 2018 Mercedes-Benz GLC 300 have any recalls?
Yes. NHTSA lists 12 safety recalls for the 2018 Mercedes-Benz GLC 300: Front Roof Panel May Detach, Creating Crash Risk; Emergency call system may fail to connect in a crash; Front roof panel may detach while driving, creating a crash hazard; Emergency call system may be disabled, delaying crash help; Crash Alert May Send Responders to Wrong Location. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2018 Mercedes-Benz GLC 300?
Based on 87 owner complaints filed with NHTSA, the most-reported problem areas are Engine (28), Unknown Or Other (20), Electrical System (13).
How do I check if a recall on my 2018 Mercedes-Benz GLC 300 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.