2023 Mercedes-Benz Glc 300: Recalls, Problems & MPG
Here are the deets on the 2023 Mercedes-Benz Glc 300: 12 recalls, 55 owner complaints and up to 28 mpg combined.
Recalls
12 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Fuel system Vehicle recall #23V445000 · 2023 · 143,551 vehicles
What's wrong: 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.
Why it matters: 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.
Trailer hitch Vehicle recall #23V629000 · 2023 · 12,118 vehicles
What's wrong: The front tow eye May be inadequately threaded to the crossmember and can detach during towing.
Why it matters: 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.
Fuel system Vehicle recall #23V880000 · 2023 · 79,676 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle details. The fuel pump May shutdown, causing a loss of drive power.
Why it matters: 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.
Engine & cooling, Fuel system Vehicle recall #23V878000 · 2023 · 7 vehicles
What's wrong: 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.
Why it matters: 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.
Electrical Vehicle recall #24V115000 · 2024 · 31,848 vehicles
What's wrong: The 80-amp fuses May have been manufactured incorrectly, which can cause the fuses to fail.
Why it matters: 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.
Body & structure Vehicle recall #24V520000 · 2024 · 7 vehicles
What's wrong: 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.
Why it matters: 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.
Seats Vehicle recall #24V808000 · 2024 · 7 vehicles
What's wrong: The driver's and front passenger seat rail May have been incorrectly attached to the vehicle body.
Why it matters: 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.
Electrical Vehicle recall #25V255000 · 2025 · 443 vehicles
What's wrong: An incorrect fuse box that was not designed for the vehicle May have been installed.
Why it matters: 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.
Body & structure Vehicle recall #25V379000 · 2025 · 92,851 vehicles
What's wrong: 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."
Why it matters: 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.
Exterior lights Vehicle recall #25V365000 · 2025 · 127 vehicles
What's wrong: 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."
Why it matters: 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.
Steering Vehicle recall #25V533000 · 2025 · 3,749 vehicles
What's wrong: 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.
Why it matters: 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.
Latches & locks Vehicle recall #26V481000 · 2026 · 310,667 vehicles
What's wrong: 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.
Why it matters: 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.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 2 injuries and 1 deaths were reported.
What owners describe
- Electrical (30): the most common themes are warning light on (15), electrical failure (14), won't start (8).
- Engine (15): the most common themes are warning light on (9), electrical failure (6), won't start (6).
- Exterior lights (10): the most common themes are warning light on (5), stalls / loses power (2).
- Other / unknown (8): the most common themes are warning light on (2), electrical failure (2).
The 2023 Mercedes-Benz Glc 300 has 55 owner complaints, ranking #5 of 9 Glc 300 model years for complaints (about average; the typical year has 47). Complaints peaked in 2023 (25 filed that year). The typical problem showed up when the car was about 0 years old, at a median of 8,500 miles. Neighboring years: 2022 (60 complaints, 2 recalls), 2024 (21 complaints, 8 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo hybrid | Automatic 9-spd | Rear-Wheel Drive | 25 | 32 | 28 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2023 Mercedes-Benz Glc 300.
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FAQ
Does the 2023 Mercedes-Benz Glc 300 have any recalls?
Yes. NHTSA lists 12 vehicle recalls for the 2023 Mercedes-Benz Glc 300. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2023 Mercedes-Benz Glc 300 problems?
Owners have filed 55 complaints with NHTSA. The most-reported areas are electrical (30), engine (15), exterior lights (10).
What gas mileage does the 2023 Mercedes-Benz Glc 300 get?
EPA ratings run up to 28 mpg combined (2.0 L, Automatic 9-spd), across 1 engine and transmission combos.
Where can I get a 2023 Mercedes-Benz Glc 300 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.