2018 Mercedes-Benz GLS 550 Suspension Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 75,045miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the suspension of the 2018 Mercedes-Benz GLS 550, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 75,045 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.
“The contact owns a 2018 Mercedes-Benz GLS 550. The contact stated while driving at various speeds, the vehicle made an abnormal clicking sound when making a right turn, and an abnormal ticking sound at startup. There was no warning light illuminated. Another driver informed the contact that the front passenger-side wheel was loose and followed the contact to the residence. The vehicle was taken to a local dealer, where it was diagnosed that the sway bar needed to be replaced; however, the sway bar was only adjusted. The contact stated that the failure had recurred. …”
NHTSA complaint #11748540, filed 2026-07, 75,045 milesRelated service bulletins
- 11035003Jul 8, 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…
- 11034932Jul 7, 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…
- 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…
- 11013183Jan 28, 2025Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements. Sound file attached for comparison. NOTE: Steering…
- 11008070Sep 26, 2024Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements. Sound file attached for comparison. NOTE: Steering…
- 10162179May 3, 2019Check right and left torsion bar linkage, replace if necessary
- 10158391Nov 9, 2018Check front axle carrier and replace if necessary
Suspension: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 17% |
Other parts of the 2018 Mercedes-Benz GLS 550
2 complaintsBrakes
1 complaintsElectrical system
1 complaintsSeat belts
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2018 Mercedes-Benz GLS 550
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