2015 Mercedes-Benz E 350: common problems
Owners of the 2015 Mercedes-Benz E 350 filed 31 complaints with NHTSA, most often about electrical system and steering. Details by component below, with sources.
Key figures
- Owner complaints
- 31
- involving a crash
- 1
What fails most often
- 1 Electrical system 16% of all complaints
- 2 Steering 16% of all complaints
- 3 Service brakes 13% of all complaints
- 4 Structure 13% of all complaints
- 5 Wheels 10% of all complaints
- 6 Air bags 6% of all complaints
- 7 Engine 6% of all complaints
- 8 Fuel/propulsion system 6% of all complaints
- Electrical system: 5 complaints (16% of all), 1 of them with a crash reported by the owner.
- Steering: 5 complaints (16% of all), 1 of them with a crash reported by the owner.
- Service brakes: 4 complaints (13% of all), 1 of them with a crash reported by the owner.
- Structure: 4 complaints (13% of all).
- Wheels: 3 complaints (10% of all).
Symptoms owners describe
How many of the 31 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 5 | 1 | 0 |
| Steering | 5 | 1 | 0 |
| Service brakes | 4 | 1 | 0 |
| Structure | 4 | 0 | 0 |
| Wheels | 3 | 0 | 0 |
| Air bags | 2 | 0 | 0 |
| Engine | 2 | 0 | 0 |
| Fuel/propulsion system | 2 | 0 | 0 |
| Suspension | 2 | 0 | 0 |
| Tires | 2 | 0 | 0 |
| Visibility | 2 | 0 | 0 |
| Backover prevention | 1 | 0 | 0 |
| Electronic stability control | 1 | 0 | 0 |
| Lane departure | 1 | 1 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Also, while the brake pedal was depressed, the brakes failed to operate and caused the contact's vehicle to crash into another vehicle and a ditch. The air bags failed to deploy. A police report was filed and there were no injuries. The vehicle was towed to a towing lot. The dealer and manufacturer were not contacted.
NHTSA Complaint Vehicle: 2015 Mercedes-Benz E-Class Gas Fuel Pump Filter Housing Defective Know Manufacture defect -Fuel pooling under rear seat causing fumes in cabin. Health and fire risk. Request investigation and recall/Safety consideration.
2015 e3350 smells gas inside cabin, a mechanic detected a fuel leak in the electric pump that is located behind the drivers seat. 70000 miles no warning lights
No warning light was illuminated. The local dealer was contacted; however, the vehicle was not diagnosed or repaired. The contact related the failure NHTSA Campaign: 16V899000(Steering); however, the VIN was not included.
Power steering was my function so I turned it off and tried it again. And it said the same thing. Power steering malfunction read the owner's menu which I did is said if you can steal it. Drive it to the nearest dealership. You can't park it Well, it was already parked in my driveway. So on June 13th.
Rear brake lines rusted out on top of rear subframe which is rusting out and caused immediate brake failure . Our lives and the lives of other were at risk because we were driving on highway and suddenly brakes went to floor and had complete loss of brakes There were no prior warnings no way to prevent this ...i see…
I had a brake line blowout in my 2015 Benz E350 rear brake line blowout. The rear lines were complete rusted out.
An independent mechanic inspected the vehicle and determined that the abnormal sound was coming from the sunroof. The vehicle was not repaired. The contact related the failure to an unknown recall. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 112,000.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 6,740 of 36,656 model years in the NHTSA data (top 18% most complained about).
On average one model year of the E 350 has 96 complaints (23 years in the data). This year has 31, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Steering. Steering play, power assist, rack and tie rods after a wheel impact.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other years of this model
- E 350 20037 sources
- E 350 200410 sources
- E 350 200515 sources
- E 350 2006400 sources
- E 350 2007350 sources
- E 350 2008173 sources
- E 350 200964 sources
- E 350 2010184 sources
- E 350 2011223 sources
- E 350 2012217 sources
- E 350 2013164 sources
- E 350 2014278 sources
- E 350 2016135 sources
- E 350 2017104 sources
- E 350 2020225 sources
- E 350 2021226 sources
- E 350 2022161 sources
- E 350 2023148 sources
- E 350 2024168 sources
- E 350 2025175 sources
- E 350 202683 sources
- E 350 20277 sources
Questions and answers
What are the most common problems with the 2015 Mercedes-Benz E 350?
Owner complaints to NHTSA most often mention: electrical system, steering, service brakes. Total complaints: 31. The most frequent symptoms in complaint texts: rust, corrosion (19%), warning lights, check engine (16%), brake failure (6%).
How many service bulletins (TSB) were issued for the 2015 Mercedes-Benz E 350?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2015 Mercedes-Benz E 350 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2015 models
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 2026-11-05.