2023 Mercedes-Benz GLC 300Problems, recalls & complaints

NHTSA has logged 55 owner complaints about the 2023 Mercedes-Benz GLC 300, most often about the electrical system. It is covered by 12 safety recalls, and for recall 23V-880 the manufacturer reports only 89% of affected cars repaired.

2023 Mercedes-Benz GLC 300

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 24, 2026. Updated daily. Photo: LuvsMG481, CC BY-SA 4.0.

Complaints by system

Where the 2023 Mercedes-Benz GLC 300 has problems

55 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system302
Engine150
Exterior lighting100
Forward collision avoidance70
Lane departure61
Fuel/propulsion system51
Service brakes50
Structure42
Power train30
4 other systems51

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

12 recalls

2023 Mercedes-Benz GLC 300 recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

91%repaired · 2026 Q3

Steering: critical fasteners

Recall 25V-533 · Aug 20, 2025 · 3,749 vehicles · 3,399 repaired

Risk. A loose steering coupling can cause a loss of steering control, increasing the risk of a crash.

Problem, fix and repair progress →

91%repaired · 2026 Q3

Exterior lighting: headlights

Recall 25V-365 · Jun 11, 2025 · 127 vehicles · 116 repaired

Risk. Improperly adjusted headlights can reduce visibility, increasing the risk of a crash.

Problem, fix and repair progress →

94%repaired · 2026 Q3

Body: roof and pillars

Recall 25V-379 · Jun 6, 2025 · 92,851 vehicles · 86,852 repaired

Risk. In the event of a crash, insufficient impact protection can increase the risk of injury.

Problem, fix and repair progress →

Show 8 more recalls
92%repaired · 2026 Q3

Wiring: fuses and circuit breakers

Recall 25V-255 · May 12, 2025 · 443 vehicles · 406 repaired

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,…

Problem, fix and repair progress →

100%repaired · 2025 Q4

Seats: critical fasteners

Recall 24V-808 · Oct 25, 2024 · 7 vehicles · 7 repaired

Risk. An incorrectly attached seat may not properly restrain the driver during a crash, increasing the risk of injury.

Problem, fix and repair progress →

100%repaired · 2025 Q4

Interior panels: dashboard

Recall 24V-520 · Jul 8, 2024 · 7 vehicles · 7 repaired

Risk. An improper air bag deployment increases the risk of injury in a crash.

Problem, fix and repair progress →

96%repaired · 2026 Q1

Wiring: fuses and circuit breakers

Recall 24V-115 · Feb 16, 2024 · 31,848 vehicles · 30,692 repaired

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…

Problem, fix and repair progress →

100%repaired · 2025 Q4

Engine and engine cooling: critical fasteners

Recall 23V-878 · Dec 21, 2023 · 7 vehicles · 7 repaired

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.

Problem, fix and repair progress →

98%repaired · 2025 Q4

Trailer hitches

Recall 23V-629 · Sep 11, 2023 · 12,118 vehicles · 11,873 repaired

Risk. A detached tow eye can separate the vehicle from the tow truck, increasing the risk of a crash or injury.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.

Best & worst years

2023 vs. every other GLC 300 year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GLC 300 median. How we score

'16'17'18'19'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2023 Mercedes-Benz GLC 300, and the recalls they led to.

  1. Malfunction Indicator Light / No-StartDP23003 · closed May 20, 2024
    No recall
In owners' words

What GLC 300 owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

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…
Complaint 11725658 · Mar 19, 2026 · 12,000 miles
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…
Complaint 11725254 · Mar 18, 2026
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…
Complaint 11722368 · Mar 5, 2026

Own a 2023 GLC 300?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.