2017 Mercedes-Benz GLS 450 Visibility (wipers, defrost, mirrors) Problems
- Complaints
- 1about this part
- Share
- 3%of 35 total for the year
- Median mileage
- 135,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the visibility of the 2017 Mercedes-Benz GLS 450, 3% of the 35 complaints for this model year. Where a mileage was given, the median is 135,500 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 2017 Mercedes-Benz GLS450. The contact heard an abnormal humming sound when the vehicle was started, and the humming sound grew louder over time. The contact believed that the humming sound was coming from the driver's side headlamp. The contact stated that the headlamp was equipped with a small internal fan to dissipate heat. Additionally, other electrical failures were occurring, and the vehicle was taken to a local dealer. The dealer diagnosed the vehicle and determined that the blower motor had failed and needed to be replaced. …”
NHTSA complaint #11710906, filed 2026-01, 135,500 milesRelated service bulletins
- 11009122Oct 23, 2024Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump…
- 10186145Dec 8, 2020Creaking noise from fixed glass section of panoramic roof in area of rear passenger compartment grab handles
- 11031594Oct 29, 2020This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be…
Visibility (wipers, defrost, mirrors): other model years
Other parts of the 2017 Mercedes-Benz GLS 450
8 complaintsEngine
8 complaintsOther or unknown
7 complaintsExterior lighting
6 complaintsFuel system
6 complaintsSteering
4 complaintsSeats
2 complaintsBody and structure
2 complaintsSuspension
2 complaintsTransmission and drivetrain
2 complaintsBrakes
1 complaintsForward 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 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