My vehicle has been taken to the Mercedes dealership multiple times from 2/24/25 -12/14/25 (10 Mths) for the following issues and still no resolution to the problem. Each time they say they've fixed the issues we get the car home and end up bringing it back a couple days later for the exact same issue. The issues being the Instrument Cluster/Panel failure (check engine light, multiple warning…
2018 Mercedes-Benz GLA-Class electrical problems
severe 9 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
9
Recalls
0
Avg fix
$850
1fire
When does it fail?
Of the 9 electrical complaints filed for the 2018 Mercedes-Benz GLA-Class, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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
Of the 4 model years of Mercedes-Benz GLA-Class we track for electrical problems, this one carries the most owner complaints on file — 9.
Electrical accounts for 20% of all owner complaints filed against this vehicle, across 4 categories tracked.
What owners are reporting 7 most recent
At 1:10 am the 2018 Mercedes benz gla spontaneously caught fire. The car was parked in my garage and had not been used in over 6 hours. The car had 11,000 miles on it. It was last serviced by mb of coconut creek one month earlier for the routine 10k service. The only problem we had with the car was once the air-conditioning failed to work. I believe the mb dealership said it was a faulty…
The contact owns a 2018 Mercedes-Benz GLA 250. The contact stated that while driving at various speeds, various warning lights, including the check engine, TPMS (Tire Pressure Monitoring System), oil, and other warning lights, were intermittently illuminated. The vehicle was taken to a dealer for a diagnostic test; however, no faults were found with the vehicle. The contact stated that the…
My backup camera doesn’t work at least half the time. The screen is completely black when I start the car, and the radio doesn’t even come on until I’ve been driving for about 15 minutes. The car does not charge either of my phones even with the cord provided by Mercedes that links to the screen. I depend on that for navigation, and the screen remains black. Since the phone won’t charge either,…
The Battery keeps draining, appears to be a design defect. Vehicle model Mercedes GLA250 - 2018 Battery light came ON and car needed a jump start, take it to the dealer. Per dealer vehicle failed to crank and failed load test. Battery was removed and replaced on 20 July 2021. Miles 20,153. Invoice #417618 Again on 17 - 18th May 2022 (odometer reading 23,961) car failed to crank. Called road side…
Subject: Urgent: Electrical Issues Causing Frequent Dashboard crashes I hope this email finds you well. I am writing to bring to your attention a recurring problem with my vehicle's electrical system, specifically the dashboard. Over the past few days, I have been experiencing frequent crashes where the dashboard turns off and on intermittently, rendering various functions inoperable. This…
My vehicle electrical panel is messed up can not read the driver panel the sunroof electrical also is not working the driver seat chair electrical stopped working and ever since the sunroof n chair started giving me issues my front panels started to go haywire went to dealer ship cost n repair are over 4K for the panel sunroof 4-8k chair another 1-3k I regularly maintain my vehicle and should…
Had electrical trouble with your 2018 Mercedes-Benz GLA-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 2018 Mercedes-Benz GLA-Class?
It's a meaningful issue. 9 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 9 complaints filed, electrical issues most often appear around 28,398 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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/2018/Mercedes-Benz/GLA-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.