2019 Mercedes-Benz E 450 Engine Problems
- Complaints
- 4about this part
- Share
- 24%of 17 total for the year
- Median mileage
- 20,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2019 Mercedes-Benz E 450, 24% of the 17 complaints for this model year. Where a mileage was given, the median is 20,000 miles. 1 a fire, according to the filers.
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.
“I parked the vehicle in a parking lot. I walked away and it immediately started smoking. Shortly after that, flames appeared coming from the hood. Shortly after that, the entire vehicle was engulfed in flames.”
NHTSA complaint #11726787, filed 2026-03“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 contact owns a 2019 Mercedes-Benz E450. The contact stated while driving at various speeds and depressing the accelerator pedal, the vehicle hesitated while responding. Additionally, the contact stated that the transmission was slipping. The check engine warning light was illuminated. The contact stated that upon taking the vehicle to an unknown dealer, the check engine warning light turned on while the dealer was moving the vehicle into a parking space. The vehicle was taken to the dealer several times however, the dealer diagnosed that no issues were found. …”
NHTSA complaint #11519233, filed 2023-04, 20,000 milesRelated service bulletins
- 11038176Sep 17, 2026Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault…
- 11034064Jun 19, 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…
- 11031553Apr 24, 2026Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles equipped with an 8-cylinder engine, the software of the engine…
- 11028807Feb 14, 2026Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the engine control unit software does not correspond to current…
- 11026596Dec 6, 2025Complaint <p>ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist, ESP® trailer stabilization, Adaptive Brake Lights, Lane Keeping Assist, Blind Spot Assist, Adaptive Brake…
Engine: other model years
Other parts of the 2019 Mercedes-Benz E 450
5 complaintsBrakes
4 complaintsTransmission and drivetrain
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