2023 Mercedes-Benz GLC 300 Problems, Complaints & Recalls
- Compared with other GLC 300 years
- About as many complaints as other years 7th of 11 for complaints
- Safety recalls
- 12 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 55 complaints with NHTSA about the 2023 Mercedes-Benz GLC 300. That ranks 7th out of 11 GLC 300 model years for complaints. The most reported problem area is electrical system (30 complaints, 55%), typically at around 8,500 miles. Complaints mention 2 crashes, 2 injuries. There are 12 safety recalls covering this model year. NHTSA has opened 1 defect investigation involving it.
- 55owner complaints
- 12safety recalls
- 1NHTSA investigations
- 2complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2023 Mercedes-Benz GLC 300 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 30 | 55% | 8,500 | — | — |
| Engine | 15 | 27% | 400 | — | — |
| Exterior Lighting | 10 | 18% | — | — | — |
| Unknown or Other | 8 | 15% | — | — | — |
| Forward Collision Avoidance | 7 | 13% | 12,000 | — | — |
| Lane Departure | 6 | 11% | — | — | — |
| Fuel/propulsion System | 5 | 9% | — | — | — |
| Service Brakes | 5 | 9% | — | — | — |
| Structure | 4 | 7% | 1,000 | — | — |
| Power Train | 3 | 5% | — | — | — |
| Steering | 2 | 4% | — | — | — |
| Communication | 1 | 2% | 400 | — | — |
| Vehicle Speed Control | 1 | 2% | — | — | — |
| Visibility/wiper | 1 | 2% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2023 Mercedes-Benz GLC 300 recalls (12)
Tap a recall to see the problem, the risk and the fix.
Latches/locks/linkages:doors:lock
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.
Risk: A vehicle rollaway increases the risk of a crash or injury.
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
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.
Risk: A loose steering coupling can cause a loss of steering control, increasing the risk of a crash.
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
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."
Risk: Improperly adjusted headlights can reduce visibility, increasing the risk of a crash.
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
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."
Risk: In the event of a crash, insufficient impact protection can increase the risk of injury.
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
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.
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.
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
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.
Risk: An incorrectly attached seat may not properly restrain the driver during a crash, increasing the risk of injury.
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
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.
Risk: An improper air bag deployment increases the risk of injury in a crash. Overheated wiring can increase the risk of a fire.
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
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.
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.
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
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.
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.
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
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.
Risk: A loss of drive power can increase the risk of a crash.
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
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.
Risk: A detached tow eye can separate the vehicle from the tow truck, increasing the risk of a crash or injury.
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
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.
Risk: A loss of drive power can increase the risk of a crash.
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
NHTSA defect investigations
- Malfunction Indicator Light / No-Start (DP23003) — opened Jul 25, 2023, closed May 20, 2024.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
My sunroof exploded while driving on the interstate.
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…
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…
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…
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…
Other Mercedes-Benz GLC 300 years
← 2022 GLC 300 · 2024 GLC 300 →
| Year | Complaints | Recalls |
|---|---|---|
| 2026 GLC 300 | 1 | 3 |
| 2025 GLC 300 | 16 | 3 |
| 2024 GLC 300 | 21 | 8 |
| 2023 | 55 | 12 |
| 2022 GLC 300 | 61 | 2 |
| 2021 GLC 300 | 67 | 9 |
| 2020 GLC 300 | 69 | 16 |
| 2019 GLC 300 | 47 | 12 |
| 2018 GLC 300 | 87 | 12 |
| 2017 GLC 300 | 99 | 12 |
| 2016 GLC 300 | 133 | 12 |
See all Mercedes-Benz GLC 300 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2023 Mercedes-Benz GLC 300?
Owners most often report electrical system, engine, exterior lighting problems. The top one, electrical system, accounts for 30 complaints.
Was there a recall on the 2023 Mercedes-Benz GLC 300?
Yes, 12 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2023 Mercedes-Benz GLC 300 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other GLC 300 model years, the 2023 has about as many complaints as a typical year. Always get a pre-purchase inspection and check the VIN for open recalls.