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Electrical systemPart report

2022 Mercedes-Benz E 450 Electrical system Problems

Complaints
4about this part
Share
36%of 11 total for the year
Median mileage
400miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2022 Mercedes-Benz E 450, 36% of the 11 complaints for this model year. Where a mileage was given, the median is 400 miles. 2 recall campaigns on record are filed under a similar system.

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.

“Twice within a year a 48 voltage battery malfunction warning appeared on my dashboard. Then a red warning light appears and I had about 30 seconds to find a safe place to pull over as loss of power causes deceleration of the vehicle . The cause, according to the diagnostic test performed by 2 different Mercedes dealerships, is that a software update is needed. A know of no situation where the machine crashes first then you're told to update its software. …”

NHTSA complaint #11629635, filed 2024-12

“I was driving the car on a road I drive daily with my son in a child seat in the back row. The car inexplicably slammed on the brakes at full force, stopping in time to avoid driving over the shadow of a tree. Approximately thirty minutes later, there was a loud popping / explosion sound from inside the engine compartment, the car lost all power, coasted along for approximately 100 feet, and then restarted while coasting. This is the second time in under a year that the car has experienced a major electrical system malfunction.”

NHTSA complaint #11487625, filed 2022-10

“The contact owns a 2020 Mercedes-Benz E450. The contact stated that on three occasions the driver's side front seat independently adjusted when the vehicle was started. On another occasion, the vehicle started by independently. Additionally, the head-up projected display moved up the windshield instead of remaining in place. The contact stated that the battery warning light was illuminated. The contact stated that on several occasions the vehicle stalled. The vehicle was able to be restarted intermittently. …”

NHTSA complaint #11522705, filed 2023-05, 400 miles

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2023318%
2022436%
2021343%
2019529%

Other parts of the 2022 Mercedes-Benz E 450

Fuel system
3 complaintsBrakes
2 complaintsWheels
2 complaintsEngine
1 complaintsForward collision avoidance
1 complaintsSteering
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaints

← All problems reported for the 2022 Mercedes-Benz E 450

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