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Electrical systemPart report

2020 Mercedes-Benz AMG GLC43 Electrical system Problems

Complaints
2about this part
Share
40%of 5 total for the year
Median mileage
30,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2020 Mercedes-Benz AMG GLC43, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 30,000 miles. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“At around 11pm on Monday, Sept 20, 2021 I was driving approximately 65 mph on the highway when the vehicle began to abruptly decelerate for no apparent reason, even when I was pushing on the accelerator pedal. When I would push on the accelerator I could hear the engine revving, I confirmed the car was in the Drive gear but the vehicle began to lose speed rapidly and no matter what action I took the car was only slowing down and had to quickly find an emergency area to pull over. My vehicle is available for inspection. …”

NHTSA complaint #11433783, filed 2021-09

“The contact owns a 2020 Mercedes-Benz AMG GLC43. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated while reversing, the rearview camera failed to operate as needed. There was no warning light illuminated. The manufacturer was notified of the failure but provided no assistance. The vehicle was not repaired. …”

NHTSA complaint #11471894, filed 2022-06, 30,000 miles

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2021117%
2020240%
2019233%

Other parts of the 2020 Mercedes-Benz AMG GLC43

Engine
3 complaintsBack-over prevention (rear camera)
1 complaintsBrakes
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaints

← All problems reported for the 2020 Mercedes-Benz AMG GLC43

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology