Skip to content
Electrical systemPart report

2013 Mercedes-Benz GL450 Electrical system Problems

Complaints
8about this part
Share
22%of 37 total for the year
Median mileage
36,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the electrical system of the 2013 Mercedes-Benz GL450, 22% of the 37 complaints for this model year. Where a mileage was given, the median is 36,500 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.

“Engine harness wires contamination in me, cause sensors damage and engine problems to start up right normal dealer want to charge me 14k for service and repair , every time I start the car it sounds like it take time to start and I get the check engine evertime I start the car”

NHTSA complaint #11185140, filed 2019-03, 58,000 miles

“Driving down the freeway at 60 MPH, a message was displayed on the instrument panel blind spot assist inoperative, and the turn indicators stopped working, both left and right. Had to exit the freeway, but was not able to indicate to other drivers that I was changing lanes, as turn indicators were not working. Came to parking lot, shut the engine off and started back up, then the turn indicators started working along with blind spot assist. However, the issue came back after driving a few more miles. This problem also happened on the surface roads traveling at 35 MPH.”

NHTSA complaint #10819381, filed 2016-01, 36,000 miles

“Blind spot assistance becomes disable and minutes later the blinkers stop working. This occurs while the car is in motion, and appears more frequent on cold weather. This can only be resolved by turning off the car and restarting. Dealership refers it to be an electrical problem with the blind spot assistance. Now it has disable the keyless door opening and button start”

NHTSA complaint #11098357, filed 2018-05

“The contact owns a 2013 mercedes benz GL450. While driving at approximately 80 MPH, the vehicle shook and the side mirrors became dim. The vehicle was restarted and the failure recurred. The vehicle was towed to the dealer where it was diagnosed that the utility room compartment under the front passenger seat was flooded with water and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 24,000. The VIN was unavailable.”

NHTSA complaint #10692165, filed 2015-03, 24,000 miles

“The contact owns a 2012 (na) mercedes benz GL450. While driving at 40 MPH through a puddle, the vehicle stalled without warning. The contact was able to merge to the side of the road, where the vehicle eventually turned off. The contact stated that the failure recurred intermittently. In addition, the vehicle failed to recognize the key and took several attempts to start the vehicle. The vehicle was taken to the dealer. The technician was unable to duplicate the failure. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 37,000. …”

NHTSA complaint #10745399, filed 2015-07, 37,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2015211%
2014314%
2013822%
201224%
201147%
2010512%
200917%
200847%
20072723%

Other parts of the 2013 Mercedes-Benz GL450

Engine
9 complaints
Seats
5 complaints
Suspension
5 complaints
Brakes
4 complaints
Other or unknown
4 complaints
Transmission and drivetrain
3 complaints
Air bags
2 complaints
Seat belts
2 complaints
Wheels
2 complaints
Back-over prevention (rear camera)
1 complaints
Electronic stability control
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 2013 Mercedes-Benz GL450

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