Mercedes-Benz E 450 4matic: problems, complaints, bulletins
Summary for the Mercedes-Benz E 450 4matic across 7 model years: 0 owner complaints and 203 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 192 |
| Structure | 0 | 0 | 59 |
| Powertrain | 0 | 0 | 44 |
| Steering | 0 | 0 | 38 |
| Suspension | 0 | 0 | 37 |
| Visibility | 0 | 0 | 32 |
| Exterior lighting | 0 | 0 | 25 |
| Seats | 0 | 0 | 16 |
| Service brakes | 0 | 0 | 15 |
| Engine | 0 | 0 | 13 |
| Fuel/propulsion system | 0 | 0 | 10 |
| Lane departure | 0 | 0 | 8 |
| Backover prevention | 0 | 0 | 7 |
| Forward collision avoidance | 0 | 0 | 4 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Service Campaign 2026090004
- Complaint Clanking noise from the area of the speakers in the doors
- Complaint Slight creaking noises when steering
- Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic…
- Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE
- Complaint Sporadic warning message in instrument cluster "Engine oil pressure, stop switch off vehicle"…
- Complaint Noises in the steering column area when steering. See example file in the attachments area
- Complaint Red coolant warning in instrument cluster
- Complaint Only vehicles with a variable transfer case are affected
- Complaint Whining / humming noises (described as foghorn‑like) from the drivetrain in the rear axle area…
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious…
- Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic…
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.