2009 Mercedes-Benz GL450 Electrical system Problems
- Complaints
- 1about this part
- Share
- 7%of 15 total for the year
- Median mileage
- 143,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2009 Mercedes-Benz GL450, 7% of the 15 complaints for this model year. Where a mileage was given, the median is 143,300 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.
“The contact owns a 2009 Mercedes-Benz GL450. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and the vehicle started shuddering. The check engine warning light was illuminated. The vehicle was towed to the dealer who informed the contact that the vehicle was not safe to drive. The vehicle was towed to the dealer where the recall repair of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) was completed; however, after the recall repair was completed, the vehicle failed to start. …”
NHTSA complaint #11490054, filed 2022-10, 143,300 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…
- 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…
- 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…
- 10041269May 1, 2011Mercedes benz: there is a software problem relating to the tank heater lines.
- 10041024Mar 9, 2011Mercedes-benz: the fuel level indicator is wrong.
Electrical system: other model years
Other parts of the 2009 Mercedes-Benz GL450
8 complaintsBrakes
3 complaintsOther or unknown
3 complaintsSuspension
3 complaintsEngine
2 complaintsElectronic stability control
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2009 Mercedes-Benz GL450
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