2020 Mercedes-Benz GLS 450 Suspension Problems
- Complaints
- 1about this part
- Share
- 3%of 36 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 suspension of the 2020 Mercedes-Benz GLS 450, 3% of the 36 complaints for this model year. 1 recall campaign on record is 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.
“The shock absorbers have prematurely failed as other recalled 2020 GLS vehicles, but our VIN is not showing under the recall campaign 20V329000. Can our vehicle be included on this recall?”
NHTSA complaint #11637274, filed 2025-01Related recalls
- 20V329000Jun 5, 2020Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE450, GLS450, and GLS580 vehicles. The sealing of the piston assembly in the front struts and rear…Covers: Mercedes-Benz GLS 450 2020, GLE 450 2020, GLS 580 4MATIC 2020
Related service bulletins
- 11034401Jun 12, 2026Complaint Rattle or clunking noise from underneath the vehicle when driving over uneven/bumpy surfaces. Cause Internal tolerances of the electric rollbar. Remedy 1. Confirm front…
- 11033109May 30, 2026Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline…
- 11032736May 15, 2026The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no…
- 11032599May 12, 2026Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel…
- 11028733Feb 11, 2026Complaint Noise from front end attributable to steering gear. Cause During diagnostics of a front end noise, workshop is under the impression the noise is coming from the…
- 11028692Feb 9, 2026Complaint Model Year 2019-2022 167 (GLE/GLS) - Instrument Cluster Message for Suspension "Do Not Drive Over 50MPH" with or without Illumination of Check Engine Light with DTC's…
- 11026596Dec 6, 2025Complaint <p>ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist, ESP® trailer stabilization, Adaptive Brake Lights, Lane Keeping Assist, Blind Spot Assist, Adaptive Brake…
- 11023373Sep 26, 2025Complaint Noise from front end attributable to steering gear. Cause During diagnostics of a front end noise, workshop is under the impression the noise is coming from the…
- 11023209Sep 17, 2025Complaint Concern 1 - Noises in recovery mode with the vehicle stationary Concern 2 - Noises when driving in a straight line on rough terrain Concern 3 - Noises when cornering…
- 11003791Jun 14, 2024The vehicles were visible and flagged in VMI as “OPEN” on January 14, 2022. Unrepaired affected vehicles will be shown as “Closed-NA” in VMI on June 17, 2024.
Suspension: 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 complaintsSeats
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 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