Skip to content
Electrical systemPart report

2015 Mercedes-Benz CLA250 Electrical system Problems

Complaints
6about this part
Share
10%of 61 total for the year
Median mileage
66,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the electrical system of the 2015 Mercedes-Benz CLA250, 10% of the 61 complaints for this model year. Where a mileage was given, the median is 66,000 miles. 2 of these say a crash was involved, according to the filers. 1 recall campaign on record is 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.

“I have 2015 CLA250 collision prevention assist dose not work and it’s always on as alarm on my dashboard after I search too many people have same issues I want to the dealer the ask 190$ for diagnostic and then will charge my for re program and suspension to harsh notice my car mileage 33000 only thanks”

NHTSA complaint #11218893, filed 2019-06, 33,200 miles

“While the vehicle is stationary, engine off, all doors closed, and after locking the door using the smart key locking button or the keyless locking function (touching the door handle), all four doors appear to be lock (can visibly see lock move down to lock position). However, without the smart key nearby, the rear doors can still be open.”

NHTSA complaint #11349626, filed 2020-08, 66,000 miles

“1) the truck opens for no reason whether the car is parked or driven without trunk feature being activated. This happens when driving down a 4 lane highway at night and day. 2) collision prevention of light displayed & won't go off. (see attached). Google indicates that the passenger air bag has an issue.”

NHTSA complaint #11376211, filed 2020-11, 94,225 miles

“The contact owns a 2015 Mercedes-Benz CLA250. The contact stated that the air bag warning light was illuminated. The contact stated that the vehicle was previously involved in a collision, in which another vehicle crashed into the passenger's side of the vehicle, causing damage to the frame and headlights; however, the air bags failed to deploy. The contact sustained soreness in the neck and back and received medical assistance. A police report was filed, but the contact did not have the police report information available. …”

NHTSA complaint #11675817, filed 2025-07, 80,000 miles

“The command unit reboots every 2 minutes with the car on or off. It kills the battery. This is a safety issue as the battery discharges. We have seen dozens of customer complaints online. Mercedes charged 157.00 and wants another 500--600 for diagnostics. The car has 52,000 miles and just went out of warranty.”

NHTSA complaint #11353735, filed 2020-09

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2023117%
2020525%
201929%
20181024%
2017725%
2016913%
2015610%
20144425%
2013111%
2012229%

Other parts of the 2015 Mercedes-Benz CLA250

Other or unknown
17 complaintsEngine
14 complaintsAir bags
8 complaintsBody and structure
7 complaintsTransmission and drivetrain
6 complaintsBrakes
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsSuspension
3 complaintsVehicle speed control
3 complaintsElectronic stability control
2 complaintsFuel system
2 complaintsBack-over prevention (rear camera)
1 complaints

← All problems reported for the 2015 Mercedes-Benz CLA250

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