2008 Mercedes-Benz GL550 Electrical system Problems
- Complaints
- 2about this part
- Share
- 17%of 12 total for the year
- Median mileage
- 111,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 2008 Mercedes-Benz GL550, 17% of the 12 complaints for this model year. Where a mileage was given, the median is 111,000 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.
“Status ' 4th time trying to repair the engine shut down issue 'vehicle malfunctioned during driving four separate occasions with kids in the car ' complete shutdown while driving, loss of steering and dashboard illuminates every warning signal (see picture below) 'mercedes in downtown los angeles fixed the car (see receipt $4,600 in repairs) and SUV continues to stop. Since the 1st incident, the dealership has attempted to fix the issue three times and has been in the shop over 60 days this year. I contacted the ceo's office and a representative has stepped in to assist with the issue. …”
NHTSA complaint #11048387, filed 2017-11, 111,000 milesRelated 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…
- 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…
- 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…
- 10205233Aug 5, 2013Mobile phone cotacts are not transferred completely.
- 10167564Jul 12, 2013Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
- 10167563Jul 8, 2013The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after…
- 10041024Mar 9, 2011Mercedes-benz: the fuel level indicator is wrong.
- 10034152Jun 7, 2010Mercedes: battery symbol and service required (in white). Fault message is displayed if the charge level is too low or the park pawl additional battery is defective. In addition…
- 10033070Dec 16, 2009Xentry (mercedes): engine warning lamp is currently on or was on and a delay fault of the camshaft adjust to current or stored in the engine control unit. Models 171, 203, 209…
Electrical system: other model years
Other parts of the 2008 Mercedes-Benz GL550
7 complaintsEngine
2 complaintsAir bags
1 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2008 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