2017 Mercedes-Benz E300: sudden loss of power

5 of the 132 complaints about the 2017 Mercedes-Benz E300 describe sudden loss of power.

owner complaints: 5
of this car's complaints: 4%
recalls: 0

Is there a fix? 21 service bulletins cover this area of the car. See below

What owners say

Filed Nov 21, 2025 · Steering · 80,000 miles · FL

The contact owns a 2017 Mercedes-Benz E300. The contact stated that while driving at various speeds, the vehicle intermittently lost power steering functionality. The contact stated that the failure occurred increasingly while turning. The vehicle was taken to several independent mechanics and to the dealer, but no DTC was retrieved. The vehicle was not diagnosed or repaired. The contact related the failure to the federal safety agency Campaign Number: 17V714000 (Steering); however, the VIN was not included. The manufacturer was notified of the failure and referred the contact to the federal safety agency Hotline for assistance. The failure mileage was approximately 80,000.

Filed Nov 2, 2023 · Engine · WA

Piston failure at 62000 miles. No prior engine lights until it happened suddenly while driving at the highway speed. The car suddenly lost power and started to violently shake and the engine light came on. Was able to pull over without incident and consult MB before bringing for diagnostics. There's a lot of MB with this specific engine piston failure affected according to internet search. The car has been inspected by the MB service dealer confirming piston failure. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Feb 9, 2022 · Steering · 35,000 miles · NJ

The contact owns a 2017 Mercedes-Benz E300. The contact stated that while driving approximately 60-65 MPH, the steering wheel lost power steering function. The warning message “Steering Malfunction” was illuminated. The vehicle was able to continue to drive by forcefully steering the steering wheel. The vehicle was taken to the dealer where it was diagnosed that no issues were found. The contact stated that the failure reoccurred while driving and was increasingly intense while making turns. The vehicle was taken back to the dealer where it was diagnosed that there was oil on the engine harness and the oil had been going to the electric steering rack. The dealer informed the contact that the engine wiring harness needed to be replaced. The contact referenced the federal safety agency Campaign Number: 17V714000 (Steering). The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 35,000. Engine harness( found oil in harness going to M.E. and electric steering rack) after starting car- can hear a clicking noise inside of engine bay.

Filed Jun 7, 2021 · Electrical, Fuel system · AR

It appears according to the technician that the entire fuel system has shorted out at once while I was driving down the road and my car died at once while nearly causing a wreck while losing all power steering and control.

Filed Feb 28, 2017 · Fuel system · 9,600 miles · MD

Tl* the contact owns a 2017 mercedes-benz e300. While driving 50 MPH, the vehicle lost power and all the warning indicators illuminated. The vehicle was able to restart, but the failure occurred on several occasions. The dealer diagnosed that the fuel pump was defective and needed replacement. The contact was unaware if the vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 9,600. The VIN was not available.