2019 Mercedes-Benz E 450 Transmission and drivetrain Problems
- Complaints
- 4about this part
- Share
- 24%of 17 total for the year
- Median mileage
- 7,200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the transmission and drivetrain of the 2019 Mercedes-Benz E 450, 24% of the 17 complaints for this model year. Where a mileage was given, the median is 7,200 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Driving at 75 MPH, car suddenly decelerated to approx 45mph without warning. A triangle with red image of the car's rear appeared on screen. I gradually increased speed back up to 70 MPH and same problem occurred. Car is 2 yrs old with 7200 miles on it. M-b dealership has the car now.”
NHTSA complaint #11387009, filed 2021-01, 7,200 miles“I was driving about 30 mph and getting on to the highway. Once I got on a beep came on from the car and every single warning light came on the car. Check engine all warnings including emergency brake collision warning the list goes on and on. I immediately got off the highway and once I got to a complete stop the car was barely accelerating. I wasn’t able to shift gears from drive I was stuck in drive. Couldn’t park the car reverse or anything. I had to turn the car off. The car didn’t turn on and then after 5 minutes it turned back on. …”
NHTSA complaint #11668083, filed 2025-06“The primary failure involved the electrical system and speed control, which posed a significant safety risk to myself and other drivers. The issue first presented itself when I noticed intermittent warning lights and error messages flashing on the dashboard, including indicators for the electronic stability program (ESP), steering assist, and lane tracking features. These malfunctions created erratic driving conditions, including unexpected acceleration delays and inconsistent cruise control behavior. …”
NHTSA complaint #11658594, filed 2025-05Related service bulletins
- 11038187Sep 26, 2026Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G‑TRONIC automatic transmission…
- 11037987Sep 14, 2026Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load…
- 11037616Sep 4, 2026Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G‑TRONIC automatic transmission…
- 11036077Aug 5, 2026Complaint This document is intended as a pre-case diagnostic reference for transmission related concerns. It will also ensure that if a case is necessary, all supporting…
- 11035780Aug 4, 2026Complaint Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF 236.17 due to a global supply constraint. 236.17 ATF 1L and 5L…
- 11035005Jul 14, 2026Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of…
- 11033050May 22, 2026Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline…
- 11032736May 15, 2026The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no…
- 11028834Feb 13, 2026Complaint Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure sensor 'A' has a short circuit to positive stored in VGS control…
- 11028270Feb 3, 2026Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load…
Transmission and drivetrain: other model years
Other parts of the 2019 Mercedes-Benz E 450
5 complaintsBrakes
4 complaintsEngine
4 complaintsForward collision avoidance
3 complaintsBack-over prevention (rear camera)
2 complaintsSteering
2 complaintsAir bags
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsFuel system
1 complaintsLane departure
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2019 Mercedes-Benz E 450
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology