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Seat beltsPart report

2017 Mercedes-Benz GLS 450 Seat belts Problems

Complaints
1about this part
Share
3%of 35 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the seat belts of the 2017 Mercedes-Benz GLS 450, 3% of the 35 complaints for this model year.

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 purchased this Vehical Al from auto of Texas in carralton tx I don’t have seatbelt on the second row so I am unable to buckle my children in I have contacted dealership three time for two weeks and they have not fixed the problem I have only have vehicle for 22 day didn’t not notice the where not seatbelts until after I purchased it my niece was thrown from the seat due to no seatbelt”

NHTSA complaint #11468747, filed 2022-06

Seat belts: other model years

YearComplaintsShare of year
202113%
201713%

Other parts of the 2017 Mercedes-Benz GLS 450

Electrical system
8 complaints
Engine
8 complaints
Other or unknown
7 complaints
Exterior lighting
6 complaints
Fuel system
6 complaints
Steering
4 complaints
Seats
2 complaints
Body and structure
2 complaints
Suspension
2 complaints
Transmission and drivetrain
2 complaints
Brakes
1 complaints
Forward collision avoidance
1 complaints

← All problems reported for the 2017 Mercedes-Benz GLS 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