2014 Mercedes-Benz E350 Seat belts Problems
- Complaints
- 3about this part
- Share
- 1%of 278 total for the year
- Median mileage
- 43,916miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the seat belts of the 2014 Mercedes-Benz E350, 1% of the 278 complaints for this model year. Where a mileage was given, the median is 43,916 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.
“Rattle/ticking sound from driver side interior b pillar area. Verified by road test with technician at dealership. Dealership replaced multiple sets of seat belt height adjuster as well as seat belt assembly. Issues returns within a week of repairs. Highly concerned with the reliability of this vehicle's safety equipment.”
NHTSA complaint #10595220, filed 2014-05, 1,232 miles“I’m getting a pre-safe inoperative message on my dashboard all the time, the Mercedes dealership is telling me the driver side seat belt needs to be replaced. This is a safety issue. This vehicle has 40,000 miles on it and it’s a family car that was extremely expensive this is unacceptable, Mercedes should pay for the seat belt replacement.”
NHTSA complaint #11566421, filed 2024-01“The contact owns a 2014 Mercedes-Benz E350. The contact stated that while the vehicle was parked and occupied, the message that the seat belt was inoperable was displayed. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed, and determined that the seat belt pretensioner had failed. The seat belt pretensioner was replaced, and the vehicle was repaired. The manufacturer was notified of the failure and informed the contact there was no recall on the VIN related to the failure. The failure mileage was 86,600.”
NHTSA complaint #11680926, filed 2025-08, 86,600 milesRelated service bulletins
- 10151959Jul 23, 2018Seat belt extender toothed rack sluggish or makes noises
- 10167569Jul 10, 2013Switch for seat belt extender inoperative.
- 10053665Jul 10, 2013Xentry (mercedes): on some vehicles, the seat belt extender switch fails to operate. Model 207. No model years.
Seat belts: other model years
Other parts of the 2014 Mercedes-Benz E350
50 complaintsAir bags
49 complaintsElectrical system
38 complaintsFuel system
36 complaintsSuspension
30 complaintsOther or unknown
27 complaintsSteering
27 complaintsBody and structure
25 complaintsEngine
20 complaintsTransmission and drivetrain
15 complaintsWheels
11 complaintsSeats
8 complaints
← All problems reported for the 2014 Mercedes-Benz E350
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