2020 Mercedes-Benz GLS 450 Seats Problems
- Complaints
- 1about this part
- Share
- 3%of 36 total for the year
- Median mileage
- 1,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the seats of the 2020 Mercedes-Benz GLS 450, 3% of the 36 complaints for this model year. Where a mileage was given, the median is 1,000 miles. 2 recall campaigns on record are filed under a similar system.
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.
“Clip missing from right hand side passenger seat (2nd row), causing the seat to fold all the way forward multiple times on its own. This happened when the car was stationary. The dealership fixed the issue and added the missing clip.”
NHTSA complaint #11375979, filed 2020-11, 1,000 milesRelated recalls
- 22V732000Sep 30, 2022Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the…Covers: Mercedes-Benz GLS 450 2020–2021, GLS 580 4MATIC 2020, 2022, AMG GLS63 2021 +2 more
- 21V818000Oct 18, 2021Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS450, GLS580, GLE350, GLE450, AMG C63, and 2021 AMG GLE53 vehicles. The seats may have been…Covers: Mercedes-Benz GLS 450 2020, GLE 450 2020, GLE 350 2020 +3 more
Related service bulletins
- 11024276Oct 10, 2025Complaint The "Easy entry and exit feature" function deactivates itself after a brief period. (see attachment). Cause The cause is currently being investigated. Remedy Update the…
- 11010652Nov 16, 2024Complaint One or more of the seats in the second or third row cannot be folded over when the switch group in the trunk is used. Cause Under analysis. Remedy Please thoroughly…
- 11003092Jun 27, 2024Complaint • Seats cannot be adjusted • Seats cannot be folded • Seats in the 2nd seat row cannot be locked or unlocked • Normalization cannot be performed in its entirety using…
Seats: other model years
Other parts of the 2020 Mercedes-Benz GLS 450
18 complaintsEngine
9 complaintsForward collision avoidance
7 complaintsFuel system
7 complaintsOther or unknown
4 complaintsTransmission and drivetrain
4 complaintsAir bags
2 complaintsBack-over prevention (rear camera)
2 complaintsBrakes
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsSteering
1 complaints
← All problems reported for the 2020 Mercedes-Benz GLS 450
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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