Battery being drained, the car does not start, water inside the vehicle on the floor at the drivers side
2017 Mercedes-Benz E-Class electrical problems
severe 22 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
22
Recalls
0
Avg fix
$850
2fires
1injury
When does it fail?
Of the 22 electrical complaints filed for the 2017 Mercedes-Benz E-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
Among the 18 model years of Mercedes-Benz E-Class in our records for electrical problems, this one ranks #2 by owner-complaint volume.
What owners are reporting 2 most recent
I stopped for a red light, I saw a pop up on the dashboard that read 'brake assist disengaged'. At that point the car shut itself off. I tried to restart with no success, it wouldn't even try to turn over. After sitting in traffic for about three minutes unable to restart the car, I just kept hitting the start / stop button and it finally turned over and started. I reported this incident to the…
Had electrical trouble with your 2017 Mercedes-Benz E-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 2017 Mercedes-Benz E-Class?
It's a meaningful issue. 22 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 22 complaints filed, electrical issues most often appear around 26,643 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/2017/Mercedes-Benz/E-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.