Vehicle Data Hub

2019 Mercedes-Benz GLC 300 problems

NHTSA has received 65 complaints about the 2019 Mercedes-Benz GLC 300, and 22% of them involve electrical system. After that come engine (17%) and drivetrain & axles (8%).

At a glance

Complaints
65 filed with NHTSA
Most reported
Electrical system 22% of complaints
Crashes and fires
4 and 5
Injuries and deaths
4 and 0
Typical mileage
42,000 miles 10 complaints with mileage

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 22%
  • Engine 17%
  • Drivetrain & axles 8%
  • Body & structure 8%
  • Wipers, windshield & visibility 6%
  • Communications & infotainment 5%
  • Fuel system 5%
  • Air bags 3%
  • Cruise control 3%
  • Brakes 2%

When problems show up

Complaints by mileage, 2019 Mercedes-Benz GLC 300 Complaints by odometer reading in 20,000-mile steps. The median is about 42,000 miles. 0k to 20k miles: 2 complaints 20k to 40k miles: 3 complaints 40k to 60k miles: 1 complaints 60k to 80k miles: 3 complaints 80k to 100k miles: 0 complaints 100k to 120k miles: 1 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 42,000 miles
Based on 10 complaints that include mileage. 60% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles2
20k to 40k miles3
40k to 60k miles1
60k to 80k miles3
80k to 100k miles0
100k to 120k miles1
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Among the 10 complaints that report mileage, the typical (median) problem appeared at about 42,000 miles.

Safety-related details: 4 complaints mention a crash; 5 complaints mention a fire; 4 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2019 ranks 8th most-complained-about out of 10 model years of the Mercedes-Benz GLC 300 with enough data (42 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.

We hit a deer at 50mph. Active restraint system pulled us back into our seats. Cabin filled with white smoke/powder. Windows automatically lowered a few inches. Dash display panel issued fault alarms on all airbags and emergency braking systems; front and rear. Vehicle automatically contacted Mercedes SOS and dispatched police. Air bags never deployed.

February 2024 CrashInjury

The contact owned a 2019 Mercedes-Benz GLC 300. The contact stated that while driving at 15 MPH up and down the street on the fourth trip, the vehicle pulled to the left and suddenly accelerated, traveled over the curb, went through a sign on a pole, vegetation, and crashed into a concrete planter box. There were no warning lights illuminated. The air bag deployed. The contact sustained bruises on her knees and hands. Medical attention was provided at the hospital.

Reported at 48,000 miles, August 2025 CrashInjury

I was driving on a street 5mph and all of a sudden my car surged and led me to curb where i knocked hit a steer din and it veered onto someone’s lawn and hit a huge planter and stopped . Air bags were deployed . I had no control over the car . EDR was preformed and I’m sure it was a throttle surge issue and cause unintended acceleration . The edr shows I was going 5 miles an hour but then says pedal was pushed to 100%.

August 2025 CrashInjury

Wiper blades on windshield skip during driving on roads at all speeds, even on the highway and in the rain and hard to see the road when driving . They do not clear the windshield and constantly skip across every time. I have had mercedes benz replace and adjust my brand new car wiper blades and still the problem continues. I called 1800mercedes and they said they are aware it is a known problem and will let me know if and when it gets resolved.

Reported at 100 miles, May 2019

The contact owns a 2019 Mercedes-Benz GLC300. The contact stated while driving 25-30 MPH in the rain, the front driver's side window became foggy, and the front driver's side window power switch button was depressed to roll down the window to clear the fog; however, the switch fractured in her hand. The manufacturer was notified of the failure and a case was opened. The manufacturer referred the contact to the dealer for assistance. The dealer was contacted. The vehicle was not diagnosed or repaired.

Reported at 27,500 miles, March 2024

Other model years of the GLC 300

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