2023 Mercedes-Benz GLC300 recalls and problems

12 recalls and 55 owner complaints on file with NHTSA for the 2023 Mercedes-Benz GLC300.

12
recalls
55
owner complaints
2
complaints mentioning a crash
0
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2023 Mercedes-Benz GLC300 recalls

Latches/locks/linkages: doors, lock

NHTSA campaign 26V481000 · reported July 24, 2026 · Mercedes-Benz USA, LLC · 310,667 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging automatically. This may result in a vehicle rollaway.
The risk
A vehicle rollaway increases the risk of a crash or injury.
The fix
Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning July 31, 2026.

Steering: critical fasteners

NHTSA campaign 25V533000 · reported August 20, 2025 · Mercedes-Benz USA, LLC · 3,749 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2026 EQE and GLC vehicles. Please see the recall report for a complete list of models. The steering coupling bolt may have been improperly tightened, allowing the steering coupling to loosen from the steering rack.
The risk
A loose steering coupling can cause a loss of steering control, increasing the risk of a crash.
The fix
Dealers will tighten the steering coupling bolts as necessary, free of charge. Owner notification letters were mailed October 6, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.

Exterior lighting: headlights

NHTSA campaign 25V365000 · reported June 11, 2025 · Mercedes-Benz USA, LLC · 127 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 GLC 300 and GLC 300 4MATIC vehicles. The headlights are missing adjustment prevention caps, which can allow the headlights to be improperly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
The risk
Improperly adjusted headlights can reduce visibility, increasing the risk of a crash.
The fix
Dealers will inspect the headlights for sealing caps and install caps as necessary, free of charge. Owner notification letters were mailed July 18, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025060005.

Structure: body, roof and pillars

NHTSA campaign 25V379000 · reported June 6, 2025 · Mercedes-Benz USA, LLC · 92,851 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2025 GLC 300, GLC 300 4MATIC, 2024-2025 AMG GLC 43 4MATIC, 2025 GLC 350E 4MATIC, and AMG GLC 63 S E vehicles equipped with a panoramic sunroof. In certain crash scenarios, where the rear occupant's head contacts the C-pillar, the pillar may not absorb an adequate amount of the impact. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 201, "Occupant Protection in Interior Impact."
The risk
In the event of a crash, insufficient impact protection can increase the risk of injury.
The fix
Dealers will modify the roof lining and C-pillar trim, free of charge. Owner notification letters were mailed July 9, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.

Electrical system: wiring, fuses and circuit breakers

NHTSA campaign 25V255000 · reported May 12, 2025 · Mercedes-Benz USA, LLC · 443 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C-Class, E-Class, S-Class, SL, GLC, EQE SUV, EQE, EQS SUV, and EQS vehicles that were incorrectly repaired under recall 24V-115. An incorrect fuse box that was not designed for the vehicle may have been installed.
The risk
An incorrect fuse box can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.
The fix
Dealers will inspect and replace the main fuse boxes, free of charge. Owner notification letters were mailed June 6, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025050003/4.

Seats: critical fasteners

NHTSA campaign 24V808000 · reported October 25, 2024 · Mercedes-Benz USA, LLC · 7 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 GLC 300 and GLC 300 4MATIC vehicles. The driver's and front passenger seat rail may have been incorrectly attached to the vehicle body.
The risk
An incorrectly attached seat may not properly restrain the driver during a crash, increasing the risk of injury.
The fix
Dealers will inspect the bolt connection and tighten the bolts between the driver and front passenger seat rail and the vehicle body, free of charge. Owner notification letters were mailed December 4, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.

Structure: interior panels, dashboard

NHTSA campaign 24V520000 · reported July 8, 2024 · Mercedes-Benz USA, LLC · 7 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 GLC 300 4MATIC vehicles. Certain dashboard area bolts may have been insufficiently tightened, potentially causing improper air bag deployment or parts separation during a crash. In addition, the 12-Volt electric auxiliary heater connections may be loose, possibly causing the electrical wiring to overheat.
The risk
An improper air bag deployment increases the risk of injury in a crash. Overheated wiring can increase the risk of a fire.
The fix
Dealers will inspect and tighten the bolts as necessary, free of charge. Owner notification letters were August 23, 2024. Owner may contact MBUSA customer service at 1-877-496-3691.

Electrical system: wiring, fuses and circuit breakers

NHTSA campaign 24V115000 · reported February 16, 2024 · Mercedes-Benz USA, LLC · 31,848 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C300, AMG C43, S580e, S580, Maybach S580, Maybach S680, AMG SL43, AMGSL63, GLC300, EQE350, EQE500, EQS450, EQS580, AMG EQS, 2023 S500, AMG SL55, AMG EQE, 2024 E350, E450, AMG C63e S, CLE300 Coupe, CLE450 Coupe, and GLC300 Coupe vehicles. The 80-Amp fuses may have been manufactured incorrectly, which can cause the fuses to fail.
The risk
An 80-Amp fuse that fails can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.
The fix
Dealers will replace the main fuse boxes, free of charge. Owner notification letters were mailed April 5, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024030008.

Engine and engine cooling: critical fasteners · Fuel system, gasoline: delivery, fuel pump

NHTSA campaign 23V878000 · reported December 21, 2023 · Mercedes-Benz USA, LLC · 7 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 GLC300, 2024 GLE350, and GLE450 vehicles equipped with an M254 engine. The incorrect screws, installed on the high-pressure fuel pump, may prevent a proper seal from forming between the high-pressure fuel pump and the tandem oil pump.
The risk
An inadequate seal can allow fuel and oil to leak onto the road, creating a hazard for other road users and increasing the risk of a crash. Additionally, a fuel and oil leak in the presence of hot engine components can increase the risk of a fire.
The fix
Dealers will replace the high-pressure fuel pump, free of charge. Owner notification letters were mailed February 9, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.

Fuel system, gasoline: delivery, fuel pump

NHTSA campaign 23V880000 · reported December 21, 2023 · Mercedes-Benz USA, LLC · 79,676 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
The risk
A loss of drive power can increase the risk of a crash.
The fix
Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.

Trailer hitches

NHTSA campaign 23V629000 · reported September 11, 2023 · Mercedes-Benz USA, LLC · 12,118 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 GLC300 vehicles. The front tow eye may be inadequately threaded to the crossmember and can detach during towing.
The risk
A detached tow eye can separate the vehicle from the tow truck, increasing the risk of a crash or injury.
The fix
Dealers will inspect and replace the front crossmember, as necessary, free of charge. Owner notification letters were mailed January 26, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2023090010/120002.

Fuel system, gasoline: delivery, fuel pump

NHTSA campaign 23V445000 · reported June 26, 2023 · Mercedes-Benz USA, LLC · 143,551 vehicles potentially affected

The problem
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.
The risk
A loss of drive power can increase the risk of a crash.
The fix
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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Apr 20, 2026 · Unknown or other

My sunroof exploded while driving on the interstate.

Mar 19, 2026 · Electrical system · 12,000 miles

The contact owns a 2023 Mercedes-Benz GLC300. The contact stated that while driving at an undisclosed speed, the speed limit warning system failed to function as intended. The contact stated that while driving 60 MPH, the Heads-up Display (HUD) illuminated a red light and an unknown message about driving too slowly…

Mar 18, 2026 · Forward collision avoidance

There are two issues 1) Unsure of the exact date, but about a year or two ago we were driving our car and the car's automatic break system went into effect on a typically busy, 3 lane road despite there not being any cars in front of our vehicle. We took it into the dealership, who confirmed the issue and told us that…

Mar 5, 2026 · Electrical system

I purchased a brand new GLC 300 on May 25, 2023. By June 2, 2023 I was already stranded due to a 12V battery electrical system failure. Since then I have been stranded 8 total times and the vehicle has been in the service department 14+ times for repeated electrical issues (8 of those visits were related to the same…

Sep 7, 2025 · Engine

Vehicle has a significant engine oil leak without being driven. Engine oil electronic meter still shows engine oil to be in "Ok" range. Vehicle is 2023 with only 19680 miles and is rarely driven till the last 2 months. Other 2023 Model Year MB GLC300's manufactured at the same Bremen Germany plant are already being…

GLC300 model years compared

YearRecallsComplaintsCrashesFires
2020 166930
2021 96722
2022 26162
2023 125520
2024 82110
2025 31630
2026 3200

Across all years, the 2016 GLC300 has the most complaints (133). All Mercedes-Benz GLC300 years →

Questions

Does the 2023 Mercedes-Benz GLC300 have any recalls?
Yes. NHTSA lists 12 recalls for the 2023 Mercedes-Benz GLC300, the most recent reported on July 24, 2026 (Latches/locks/linkages: doors, lock). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2023 Mercedes-Benz GLC300?
Owners have filed 55 complaints with NHTSA. The most frequently reported area is electrical system (30 complaints), followed by engine (15).
How many 2023 Mercedes-Benz GLC300 complaints mention a crash or fire?
2 of 55 complaints report a crash and 0 a fire; 2 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received April 20, 2026.