The back-up camera failed while in the middle of reversing. Screen went completely black and unresponsive. Putting the car in Park then back to Reverse didn't work, screen still black. Tried turning off the car and turning it back on, screen still black and no back-up camera when I put the car in Reverse. I tried turning on / off the infotainment system and no change, screen still black. La…
2018 mercedes-benz E-Class electrical problems
moderate 11 complaints filed with NHTSA · avg repair $850
What owners are reporting 4 most recent
The digital dash, which shows my speed, mileage, engine temperature, rims and fuel level goes blank. Then comes on for a few seconds and goes dark again. Vehicle only has 43k miles. MB dealer said this is not uncommon condition with the 2018 mb e400. Car is not safe to drive. MB dealer wants $6,100.00 to replace the unit. A software reboot will not work.
Alternator failed on my E400 cabriolet 23,000 miles resulting in car shutting down while engine running. Required a tow to dealer service area, 35 miles away.
Backup camera does not work sometimes. A picture of the camera with a slash mark across it comes up on a black command screen. This is a big safety issue when I back up
Common questions
How serious is the electrical problem on the 2018 mercedes-benz E-Class?
It's a documented issue but not catastrophic. 11 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.