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Electrical systemPart report

2012 Mercedes-Benz GLK350 Electrical system Problems

Complaints
4about this part
Share
2%of 167 total for the year
Median mileage
15,210miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2012 Mercedes-Benz GLK350, 2% of the 167 complaints for this model year. Where a mileage was given, the median is 15,210 miles. 1 of these say a crash was involved, according to the filers.

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.

“When driving 40 MPH or more, the engine stalls and the unit in the dashboard that contains the odometer and speed, begins to turn white in color. It appears the software error within the engine control unit causes the vehicle to stall when driving at a certain speed or when I am coasting to a stop, such as at a traffic light. My vehicle begins to shut-down in the mist of my driving at 40 MPH or more, however, when I put my foot on the brake, the engine picks up speed. …”

NHTSA complaint #10790053, filed 2015-11, 15,210 miles

“The plastic trim/cover that wraps around the steering wheel column and is the same color as the seats and interior heats up, melts, becomes brittle after the fact but could is fire hazard, especially with melting plastic falling into the driver’s feet and/or carpeting. When I googled the replacement part, I found out on The Internet that owners across America have had the same problem with their vehicles regardless of the year or model. Some believe there is a shortage in the wiring that allows the steering wheel to be raised, lowered, pushed away or brought closer to the driver. …”

NHTSA complaint #11544810, filed 2023-09

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
201576%
201444%
201364%
201242%
201154%
201083%
2007120%

Other parts of the 2012 Mercedes-Benz GLK350

Air bags
132 complaints
Fuel system
13 complaints
Other or unknown
7 complaints
Brakes
6 complaints
Suspension
4 complaints
Seats
3 complaints
Steering
3 complaints
Transmission and drivetrain
3 complaints
Engine
2 complaints
Body and structure
2 complaints
Wheels
2 complaints
Electronic stability control
1 complaints

← All problems reported for the 2012 Mercedes-Benz GLK350

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