CHECK ENGINE LIGHT AT 1500 MILES
2020 Mercedes-Benz GLB-Class electrical problems
moderate 9 complaints filed with NHTSA · avg repair $850
Complaints
9
Recalls
0
Crashes
0
Avg fix
$850
What owners are reporting 3 most recent
My GLB250 does not fall under recall 2020070009 however after taking it through the car wash the entire display instrument went out and car will not turn on and off. They are telling me the car had water damage and it is on me to fix?
THE CONTROL MODULE FOR THE AIR CONDITIONING THAT TELLS THE AIR WHEN TO TURN ON AND OFF ISN'T WORKING. MINE WENT OUT AT 1200 MILES. BRAND NEW MODEL 2020 JANUARY. THERE ARE 120 COMPUTERS ON THIS VEHICLE
Common questions
How serious is the electrical problem on the 2020 Mercedes-Benz GLB-Class?
It's a documented issue but not catastrophic. 9 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.
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