repaired · 2026 Q3
Tires
Risk. Tires inflated to an incorrect maximum pressure may have insufficient strength, allowing the tires to fail and increasing the risk of a crash.
2018 Mercedes-Benz E400Problems, recalls & complaints
NHTSA has logged 23 owner complaints about the 2018 Mercedes-Benz E400, most often about the electrical system. It is covered by 13 safety recalls, and for recall 20V-449 the manufacturer reports only 63% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 21, 2026. Updated daily.
Complaints by system
Where the 2018 Mercedes-Benz E400 has problems
23 complaints grouped by the system owners reported.
4Electrical system
3Steering
3Seat belts
3Engine2 crash/fire/injury
2Power train
1Service brakes
1Structure
1Tires
1Vehicle speed control
77 other systems3 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 4 | 0 |
| Steering | 3 | 0 |
| Seat belts | 3 | 0 |
| Engine | 3 | 2 |
| Power train | 2 | 0 |
| Service brakes | 1 | 0 |
| Structure | 1 | 0 |
| Tires | 1 | 0 |
| Vehicle speed control | 1 | 0 |
| 7 other systems | 7 | 3 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
13 recalls
2018 Mercedes-Benz E400 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2024 Q2
Back over prevention: display function
Risk. An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
repaired · 2023 Q3
Communication
Risk. A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying…
repaired · 2023 Q4
Communication: auto crash notification
Risk. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Show 9 more recalls
repaired · 2022 Q2
Electrical system: software
Risk. Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they may forget to buckle their…
repaired · 2021 Q2
Seat belts
Risk. The electric PRE-SAFE®-function and the seat belt pretensioners may not deploy during a crash, increasing the risk of injury.
repaired · 2021 Q1
Structure: body
Risk. If the spoiler detaches while driving, it can become a road hazard, increasing the risk of a crash.
repaired · 2020 Q4
Seats
Risk. If the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing the risk of injury.
repaired · 2020 Q2
Steering
Risk. If the steering connection was not properly locked, the mechanical connection between the steering wheel and steering rack may come loose, reducing steering…
repaired · 2022 Q2
Rack and pinion: rack
Risk. A car that cannot be properly steered has an increased risk of a crash.
repaired · 2020 Q1
Sensor: occupant classification
Risk. If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a crash, it can increase the risk of injury.
repaired · 2019 Q4
Child seat: latch strap
Risk. If the ISOFIX console partially detaches in a crash, it can increase the risk of injury for a child in a child seat.
repaired · 2019 Q3
Seats
Risk. If the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing the risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2018 vs. every other E400 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the E400 median. How we score
'15'16'17'18
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What E400 owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
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…
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
Own a 2018 E400?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.