2019 Mercedes-Benz AMG GLC43 Electrical system Problems
- Complaints
- 2about this part
- Share
- 33%of 6 total for the year
- Median mileage
- 134miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2019 Mercedes-Benz AMG GLC43, 33% of the 6 complaints for this model year. Where a mileage was given, the median is 134 miles.
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.
“A few times my key will not function to start the car. They told me it was the battery. But the display on my lcd also often does not function when on car play. The steering is jerked when I turn the wheels as they seem to get stuck on the pavement. Often happens when I am backing out of a parking space and sounds as if I am hitting someone. Feels like it too”
NHTSA complaint #11326592, filed 2020-05, 20 miles“I purchased a 2019 glc amg 43 as a xmas gift for my wife. It was black with a vibrant brown interior. I was concerned that the electronics(backup camera, bluetooth, music, entertainment console) were nonfunctional. However, the explanation the sales representative gave me was sufficient at the time. He said mercedes was updating their computer software and we should be getting an update on january 2, 2019. Needless to say, it was not true! The service manager explained that this vehicle was missing the brain. The computer system that communicates with the entire vehicle was not in our vehicle? …”
NHTSA complaint #11165047, filed 2019-01, 247 milesRelated service bulletins
- 11036511Aug 24, 2026Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket…
- 11036142Aug 12, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11036190Aug 6, 2026Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search…
- 11033855Jun 12, 2026Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The…
- 11033185May 26, 2026Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the…
- 11033016May 26, 2026Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market…
- 11032699May 12, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11030088Mar 9, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
- 11029927Mar 4, 2026Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has…
- 11029093Feb 28, 2026Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5…
Electrical system: other model years
Other parts of the 2019 Mercedes-Benz AMG GLC43
3 complaintsWheels
3 complaintsOther or unknown
2 complaintsSuspension
2 complaintsEngine
1 complaints
← All problems reported for the 2019 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