2014 Mercedes-Benz GL450 Visibility (wipers, defrost, mirrors) Problems
- Complaints
- 3about this part
- Share
- 14%of 21 total for the year
- Median mileage
- 51,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the visibility of the 2014 Mercedes-Benz GL450, 14% of the 21 complaints for this model year. Where a mileage was given, the median is 51,000 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.
“While driving on the freeway at about 70 MPH the sunroof exploded. We were not behind another car and driving in the middle of an unpopulated area along the !-10 freeway.”
NHTSA complaint #10948508, filed 2017-01, 45,000 miles“After picking up children from school, I was driving out of the parking lot down a slow-speed arterial road (35 mph posted speed limit). Roughly 30 seconds after reaching the posted speed limit we heard a loud bang (like a gunshot) and immediately pulled over. The middle section of the panoramic sunroof had shattered. …”
NHTSA complaint #11457961, filed 2022-03“The contact owns a 2014 Mercedes-Benz GL450. While operating the vehicle, several messages displayed regarding the parking brake release, transmission, and the vehicle being inoperable. Also, several electrical features malfunctioned. The vehicle was towed to world wide motors inc. (3900 east 96th st, indianapolis, in) where it was diagnosed that the main vehicle wire harness was damaged due to water that drained from the sun roof into the panels of the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 57,000.”
NHTSA complaint #11244201, filed 2019-08, 57,000 milesRelated service bulletins
- 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…
- 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…
- 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…
- 10205265Jul 3, 2013Outside mirror fogged.
Visibility (wipers, defrost, mirrors): other model years
Other parts of the 2014 Mercedes-Benz GL450
7 complaintsElectrical system
3 complaintsOther or unknown
3 complaintsBrakes
2 complaintsTransmission and drivetrain
2 complaintsExterior lighting
1 complaintsLane departure
1 complaintsLatches, locks and linkages
1 complaintsSeats
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsWheels
1 complaints
← All problems reported for the 2014 Mercedes-Benz GL450
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