2019 Mercedes-Benz G 550 Electrical system Problems
- Complaints
- 2about this part
- Share
- 40%of 5 total for the year
- Median mileage
- 3,350miles
- 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 G 550, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 3,350 miles. 2 recall campaigns on record are 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.
“My 2019 g550 has been to mercedes dealers twice for a front/rear differential lock system malfunction error appearing on the display screen. Along with this it shows the ABS and esp are be inactive. Each time at a mercedes dealer they replace parts and say it is fixed. It is not fixed. This week I became stranded when I picked my dog up from the vet and this error message appeared, along with 'active distance assist inoperative', 'active brake assist functions limited', 'blind spot assist inoperative', 'steering malfunction increased physical effort' error messages. …”
NHTSA complaint #11323949, filed 2020-05, 3,350 milesRelated recalls
- 23V097000Feb 17, 2023Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 G550 and AMG G63 vehicles. The front axle wiring harness may chafe against an oil cooler and…Covers: Mercedes-Benz G 550 2019–2021, AMG G63 2019–2021
- 18V761000Oct 29, 2018Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 Mercedes-Benz C300, C300 4Matic, C300 4Matic Cabrio, C300 4Matic Coupe, C300 Coupe, C300 Cabrio, C43…Covers: Mercedes-Benz G 550 2019, E 450 2019, C300 2019 +5 more
Related service bulletins
- 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…
- 11035117Jul 17, 2026Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline…
- 11033981Jun 17, 2026Complaint Consistently reproducible erroneous parktronic warnings from front with every key cycle. Cause The parking sensors are detecting the front brush guard. Remedy Complaint…
- 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…
- 11031582Apr 20, 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…
- 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…
- 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…
- 11029055Feb 28, 2026Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2021 G-Class, S-Class and GT (463, 222 & 190 platforms) vehicles, the engine…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 4 | 57% |
| 2019 | 2 | 40% |
Other parts of the 2019 Mercedes-Benz G 550
2 complaintsBrakes
1 complaintsLatches, locks and linkages
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2019 Mercedes-Benz G 550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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