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2023 Mercedes-Benz GLC 300 problems

NHTSA has received 99 complaints about the 2023 Mercedes-Benz GLC 300, and 30% of them involve electrical system. After that come engine (15%) and lighting (10%).

At a glance

Complaints
99 filed with NHTSA
Most reported
Electrical system 30% of complaints
Crashes and fires
4 and 0
Injuries and deaths
4 and 3

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Electrical system 30%
  • Engine 15%
  • Lighting 10%
  • Forward collision avoidance 7%
  • Lane departure 7%
  • Brakes 5%
  • Fuel system 5%
  • Body & structure 4%
  • Drivetrain & axles 3%
  • Steering 2%

What the data shows

Safety-related details: 4 complaints mention a crash; 4 injuries reported; 3 deaths reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2023 ranks 2nd most-complained-about out of 10 model years of the Mercedes-Benz GLC 300 with enough data (99 complaints in that window). It is also covered by 12 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

The contact owns a 2023 Mercedes-Benz GLC300. The contact stated that while the vehicle was parked, and the contact and his wife were removing groceries from the rear of the vehicle, the tailgate was independently lifted due to the design of the keyless entry feature. The contact and his wife continued to remove items from the rear of the vehicle and the tailgate sensor became enabled, and the tailgate closed inadvertently, striking the contact's wife on the head.

Reported at 1,000 miles, August 2023 Injury

1. Rear Hatch hands free system - closes unexpectedly while loading or unloading car without using feet to trigger system. Hatch will close down and trap driver in the rear, causing bruising on driver and requiring assistance to push hatch back up. Has been into dealer multiple times since this is HUGE risk to animals or small children exiting out of the rear. Dealer finally disabled hands free system. 2.

March 2025 Injury

The contact owns a 2023 Mercedes-Benz GLC300. The contact stated while attempting to start the vehicle, the message "12 Volt Battery Failure, Vehicle Inoperative" was displayed. Later, the contact was able to start the vehicle, but the check engine warning light remained illuminated. Eventually the light shut off and the vehicle operated normally.

Reported at 400 miles, July 2023

Other model years of the GLC 300

Best and worst years for the Mercedes-Benz GLC 300