I started the car and I got a message stating the right front air bag malfunctioned. There is a short. I took the car in for repair, there have been several recalls on this model for the air bag, mine is not included. The air bag has shorted out. This is a huge safety issue.
2015 Mercedes-Benz CLA-Class electrical problems
severe 15 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
15
Recalls
0
Avg fix
$850
1fire
When does it fail?
Of the 15 electrical complaints filed for the 2015 Mercedes-Benz CLA-Class, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 7 model years of Mercedes-Benz CLA-Class in our records for electrical problems, this one ranks #2 by owner-complaint volume.
No new NHTSA electrical complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
I bought Mercedes cla 2015 on jan 2015 and I drove the vehicle where my audio system used to reboot time to time once in a while but it used to come up. So I did not mention and take it to dealer that time but recently, after driving 53k mile, it completely stopped working and only rebooting itself. Later I found out there was recall about 2015/2016 cla audio recall "reference tsb no.…
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.
Had electrical trouble with your 2015 Mercedes-Benz CLA-Class?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2015 Mercedes-Benz CLA-Class?
It's a meaningful issue. 15 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 9 complaints that reported odometer mileage, most electrical failures cluster between 10,500 and 56,000 miles, with the median around 44,000. A quarter of owners report trouble before 10,500; a quarter make it past 56,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/Mercedes-Benz/CLA-Class.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.