2020 Mercedes-Benz GLA 250 Electrical system Problems
- Complaints
- 3about this part
- Share
- 27%of 11 total for the year
- Median mileage
- 200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2020 Mercedes-Benz GLA 250, 27% of the 11 complaints for this model year. Where a mileage was given, the median is 200 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.
“1. POWER STEERING: STEERING WHEEL WENT OUT ON A FREEWAY ALMOST CAUSING MASSIVE COLLISION (this has happened twice) 2. Car Jerkiness: reported this to MBZ of San Rafael for 2 years (went into shop 10+ times for same issue and not resolved. It lunges forward while driving. This also is a safety issue almost causing me to hit a pedestrian 3. Vehicle Not opening 4. Vehicle Overheating 5. Faulty Wiring 6. Screen Black out”
NHTSA complaint #11575791, filed 2024-03Related service bulletins
- 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…
- 11035120Jul 17, 2026Complaint Hand detection system – malfunction / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keeping…
- 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…
- 11031218Apr 2, 2026Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a…
- 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…
- 11029057Feb 28, 2026Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the control unit software for the engine electronics does not…
- 11029083Feb 25, 2026Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket…
- 11028816Feb 13, 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…
- 11027904Jan 30, 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 2020 Mercedes-Benz GLA 250
3 complaintsEngine
2 complaintsFuel system
2 complaintsSteering
2 complaintsTransmission and drivetrain
2 complaintsBrakes
1 complaintsForward collision avoidance
1 complaintsLane departure
1 complaintsSeats
1 complaintsBody and structure
1 complaintsWheels
1 complaints
← All problems reported for the 2020 Mercedes-Benz GLA 250
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