2012 Mercedes-Benz GL550 Electrical system Problems
- Complaints
- 1about this part
- Share
- 13%of 8 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2012 Mercedes-Benz GL550, 13% of the 8 complaints for this model year.
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.
“I purchased a this vehicle at a dealership Laurel Ford as is no warranty for $14,000 and not even in a week of me having it the key fob was not working and it’s been giving me problems so now it’s not is not reading the ignition switch and it won’t turn on it’s not drivable, and I have small three kids. I love it but the headache I can’t deal. Please help!!!!”
NHTSA complaint #11635569, filed 2025-01Related service bulletins
- 11015640Mar 5, 2025Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 11008880Oct 3, 2024Complaint After a control unit replacement of "N112/9 - control unit for telematics services (HERMES)" or the "N112/2 - control unit for telematics services (RAMSES)", the…
- 11008091Sep 28, 2024Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party…
- 11006658Aug 10, 2024Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) C-Class, E-Class, S-Class, G-Class, CL, CLS, ML, GL, GLE…
- 11008064Aug 9, 2024In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to inform you that on certain Model Year 2011-2018 C-Class, E-Class…
- 10248173Dec 11, 2023Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (âÂÂMYâÂÂ) 2009-2012 GL-Class, ML-Class, R-Class, and…
- 10167487Mar 21, 2014Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2…
- 10167498Mar 13, 2014ESP warning message in instrument cluster. One of the fault codes C219700 or 630900 is logged in the ESP control unit (N30/4).
- 10166988Feb 11, 2014Collision Prevention Assist (CPA) may warn for no obvious reason (optical and/or acoustic warning message).
- 10167040Feb 1, 2014This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the mbrace software does not correspond to…
Electrical system: other model years
Other parts of the 2012 Mercedes-Benz GL550
6 complaintsBrakes
1 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsWheels
1 complaints
← All problems reported for the 2012 Mercedes-Benz GL550
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