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Visibility (wipers, defrost, mirrors)Part report

2018 Mercedes-Benz GLC 300 Visibility (wipers, defrost, mirrors) Problems

Complaints
3about this part
Share
3%of 87 total for the year
Median mileage
25,505miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the visibility of the 2018 Mercedes-Benz GLC 300, 3% of the 87 complaints for this model year. Where a mileage was given, the median is 25,505 miles. 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 windshield washer pump failed due to the Sam unit. Failing I was in the mountains, started my car the windshield wiper malfunction light came on the wipers worked for a minute, so I turned them off, drove over the pass and tried to use my wipers, and they did not work. The back wipers did work. I took my car to my mechanic in Cheyenne, who discovered that’s the SAM unit Ruined the windshield washer pump. No one else has inspected it other than my mechanic. I have learned that there are others complaining of the same issue online. …”

NHTSA complaint #11577478, filed 2024-03

“The contact owns a 2018 Mercedes-Benz GLC300. The contact stated while driving 60 MPH, the exterior panel between the windshield and sunroof detached, creating a hazardous road debris. The vehicle was taken to the dealer, who diagnosed a failure with the exterior panel adhesive bonding agent. The vehicle was not repaired. After investigating the failure, the contact related it to NHTSA Campaign Number: 21V197000 (Structure) and 17V715000 (Visibility), but the VIN was not included. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 51,000.”

NHTSA complaint #11551023, filed 2023-10, 51,000 miles

Related recalls

Related service bulletins

Visibility (wipers, defrost, mirrors): other model years

YearComplaintsShare of year
202415%
202312%
202235%
202146%
202023%
201949%
201833%
201788%
201654%

Other parts of the 2018 Mercedes-Benz GLC 300

Engine
28 complaintsOther or unknown
20 complaintsElectrical system
13 complaintsBody and structure
9 complaintsSeat belts
8 complaintsTransmission and drivetrain
8 complaintsFuel system
7 complaintsAir bags
6 complaintsBrakes
5 complaintsForward collision avoidance
3 complaintsSteering
3 complaintsVehicle speed control
3 complaints

← All problems reported for the 2018 Mercedes-Benz GLC 300

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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