2022 Mercedes-Benz GLC 300 problems, complaints & recalls

Updated Oct 10, 2026 from NHTSA data · How we count

Owners have filed 60 complaints with NHTSA about the 2022 Mercedes-Benz GLC 300, most often about fuel, hybrid & EV propulsion. There are 2 recalls for this model year.

Complaints: 60
Recalls: 2
Crashes: 5
Fires: 2
Injuries: 3
Median mileage: 10,000 mi

Key facts

Fuel, Hybrid & EV Propulsion is the most-reported problem area, named in 21 of 60 complaints (35%).
Steering (14) and electrical system (12) follow.
Half of the complaints that list mileage happened before 10,000 mi.
Owners reported 5 crashes, 2 fires and 3 injuries.
The 2022 Mercedes-Benz GLC 300 has 2 recalls on file.
It ranks 2nd of 9 Mercedes-Benz GLC 300 model years by our severity-weighted complaint score (1st = worst).
That is 10% fewer complaints than the 2021 model year (67).

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)	Complaints
Steering	14
Fuel/propulsion system	13
Electrical system	12
Engine	10
Fuel system, gasoline	8
Unknown or other	7
Service brakes	4
Power train	4

When problems happen (mileage)

Mileage at the time of the problem, for 2022 Mercedes-Benz GLC 300 complaints that list mileage.

2022 Mercedes-Benz GLC 300 recalls (2)

Recall 24V070000Feb 2, 202415,502 vehicles
EXTERIOR LIGHTING:HEADLIGHTS
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2022 GLC 300, 2020 GLC 350e, and 2020-2022 AMG GLC 43 vehicles. The headlights may be incorrectly adjusted too high and create a glare for oncoming traffic. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk: Incorrectly aimed headlights can reduce the visibility of oncoming traffic, increasing the risk of a crash.
Remedy: Dealers will inspect the headlight adjustment and correct it if necessary, free of charge. Owner notification letters were mailed February 23, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
Recall 23V445000Jun 26, 2023143,551 vehicles
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Risk: A loss of drive power can increase the risk of a crash.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

Recent 2022 Mercedes-Benz GLC 300 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

Filed Oct 1, 2026GAFuel, Hybrid & EV Propulsion
The vehicle has experienced two separate incidents of significant loss of power/acceleration. First incident – January 2024, Clarksville, TN: While driving downtown, the vehicle suddenly lost significant power and could not provide normal acceleration. The estimated remaining range was approximately 50 miles. The vehicle was subsequently inspected/serviced by Mercedes-Benz/dealer personnel, but the underlying cause was not conclusively identified or resolved. Second…
NHTSA complaint #11768413 · source
Filed Aug 23, 2026ILBrakesElectrical System
Vehicle: 2022 Mercedes-Benz GLC 300 4MATIC Component: Electronic Parking Brake (EPB) / Service Brakes Summary of Complaint: This vehicle has an ongoing, unresolved Electronic Parking Brake (EPB) defect. The amber EPB warning light has recurred multiple times, including most recently after a $3,000 dealership repair intended to correct this exact fault. Timeline: 1.Following a brake pad replacement, the vehicle experienced an EPB failure, brake fluid loss, and a gear shift…
NHTSA complaint #11758847 · source
Filed Aug 8, 2026NYEngineFuel, Hybrid & EV Propulsion
My 2022 Mercedes-Benz GLC 300 (17,700 total miles) suffered a catastrophic structural engine block failure and an explosive loss of propulsion while driving at highway speeds. This occurred exactly 6 days and 183 miles after a franchised Mercedes-Benz dealership performed the official fuel pump impeller safety recall (NHTSA Campaign 23V-445).The dealership's official repair invoice documents that the technician custom-modified the recall remedy by reusing parts, explicitly…
NHTSA complaint #11755637 · source
Filed Aug 5, 2026ILAcceleration & Cruise Control
I have experienced 4 incidents of the car accelerating on its own. I have taken it to the dealership twice and they are unable to reproduce the problem. Problems began occurring in 2025 and occurred again this past week (August 20246). In the most recent incident I was accelerating on an "on ramp". The car suddenly took hold and continued to speed up despite my foot not being on the gas. I had to drive the car to safety with my foot on the break. The moment I took my foot…
NHTSA complaint #11754966 · source
Filed Jul 3, 2026INBrakesElectrical SystemEngine
While driving down a busy neighborhood street 2 lanes with cars on both sides making it a 1 lane road pulled over to the side a little to let cars pass. All of a sudden ALL electrical and engine stopped and turned off. Only thing that was powered was instrument cluster with multiple warnings like SRS Malfunction, Steering Malfunction, SOS Inoperative, Parking Brake and more. We believe the car had also shifted to park on its own. No power to anything not even hazard lights.…
NHTSA complaint #11748161 · source
Filed Jun 4, 2026ILBrakesElectrical System
My vehicle got stuck on a EPB(electronic parking brake) and I was unable to disengage it. I tried a few things and none worked. I contacted Mercedes to tow it to the dealer and the tow truck came and driver had to “drag” my vehicle on to the flatbed. My car has been at Mercedes for 5 days now and they gave me a response saying that they are having a hard time trying to disengage the EPB. I’m aware of a EPB recall but my model is specified as being a part of it, however the…
NHTSA complaint #11742050 · source
Filed May 8, 2026CAElectrical SystemEngineFuel, Hybrid & EV Propulsion
Low coolant warning came on. Battery car didn’t start , had it jump. Low coolant warning came on again. Passenger seat belt warning is on.
NHTSA complaint #11736466 · source
Filed Apr 16, 2026PAFuel, Hybrid & EV Propulsion
I was driving back to my house in york, PA. My car all the sudden changed the gear from “D” to “N”. My gas meter was showing 106 miles. my didn’t give sign or alert before it shifted the gear from D to N. I was driving on highway and this was major safety concern as I could have hit by cars coming on highway speed. We had this similar incident last year as well but we were at traffic light stopped so we didn’t realize that time that car shift the grear by itself. Once we…
NHTSA complaint #11731548 · source

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology