Visibility (wipers, defrost, mirrors)Part report
2020 Mercedes-Benz GLS 450 Visibility (wipers, defrost, mirrors) Problems
- Complaints
- 2about this part
- Share
- 6%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 2 complaints about the visibility of the 2020 Mercedes-Benz GLS 450, 6% of the 36 complaints for this model year. 1 of these say a crash was involved, according to the filers. 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.
Related recalls
- 23V177000Mar 17, 2023Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020…Covers: Mercedes-Benz GLS 450 2020–2021, GLE 450 2020–2021, GLE 350 2020–2021 +6 more
Related service bulletins
- 11037736Sep 2, 2026Complaint Customer concern of Air Conditioning not cooling. *NOTE ‑ Use of tracer DYE for leak checks is not approved. Only approved leak check procedures as per WIS are…
- 11037243Sep 1, 2026Cause Internal failure of the scroll wheel within the AC compressor. Remedy Check the compressor's index and part number Figure 1 against Table 1. If listed please perform the…
- 11032875May 19, 2026Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is…
- 11032575May 8, 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…
- 11029092Feb 28, 2026Complaint Customer concern of Air Conditioning not cooling. *NOTE - Use of tracer DYE for leak checks is not approved. Only approved leak check procedures as per WIS are…
- 11027783Jan 21, 2026Complaint Customer concern of Air Conditioning not cooling. *NOTE - Use of tracer DYE for leak checks is not approved. Only approved leak check procedures as per WIS are…
- 11027751Jan 16, 2026Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy *Note - This Li does not apply if there…
- 11027682Jan 15, 2026Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps…
- 11027566Jan 7, 2026Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps…
- 11023929Oct 1, 2025Complaint Customer concern of Air Conditioning not cooling. *NOTE - Use of tracer DYE for leak checks is not approved. Only approved leak check procedures as per WIS are…
Visibility (wipers, defrost, mirrors): other model years
Other parts of the 2020 Mercedes-Benz GLS 450
Electrical system
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 complaintsSeats
1 complaintsSteering
1 complaints
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 complaintsSeats
1 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 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