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Other or unknownPart report

2024 Mercedes-Benz GLS 450 4MATIC Other or unknown Problems

Complaints
6about this part
Share
40%of 15 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 6 complaints about the other or unknown of the 2024 Mercedes-Benz GLS 450 4MATIC, 40% of the 15 complaints for this model year. 1 of these say a crash was involved, according to the filers.

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.

“i've purchased brand new 2024 gls 450 mercedes benz and this is the 3rd times i have to bring my car to the mercedes facility to add a quarter of oil and jerky shifting so i dont feel safety and comfortable to drive this car anymore. i need help or my money back, what do i need to do?.”

NHTSA complaint #11671311, filed 2025-07

“this concerns the rear view camera..it operates sporadically, or intermittanally,first time inn didn't work as expected it blanked out and I hit a tree...as I backed up it did NOT show anything behind my car....so I backed into a tree... following that I made an appt. …”

NHTSA complaint #11584767, filed 2024-04

“I am submitting a complaint regarding the air conditioning system in my vehicle. The vehicle has a refrigerant (Freon) leak that causes the air conditioning system to stop cooling properly. In addition, there is a loud abnormal noise coming from the AC system while operating. The issue has progressively become worse. The air conditioner either blows warm air or loses cooling performance completely, especially during normal driving conditions. The abnormal noise appears when the AC compressor engages. …”

NHTSA complaint #11736838, filed 2026-05

“The panoramic sunroof spontaneously shattered. I was driving on highway under open sky and the sun roof just imploded and all the glass came shattering inside all over. There were no extreme weather or any construction or chances of any debris from anything around. No impact object could be identified upon inspection after the car was stopped.”

NHTSA complaint #11733613, filed 2026-04

“While driving at 60 mph on the highway around 7pm, with no cars infront or next to us, vehicle top glass exploded. No construction. As per other complaints, this has happen to other people. My kidds were in the car and thankfully screen was open otherwise all glass would fall on thdm. As per dealer installer, they already had this part in stock and new eaxctly how to handle it as per his known experiences on such style. But refused to warranty while vehicle under 41000 miles. 2024 GLS450”

NHTSA complaint #11759672, filed 2026-08

Related service bulletins

Other or unknown: other model years

YearComplaintsShare of year
2024640%
2023114%
2022635%

Other parts of the 2024 Mercedes-Benz GLS 450 4MATIC

Electrical system
3 complaintsForward collision avoidance
3 complaintsWheels
2 complaintsEngine
1 complaintsLane departure
1 complaintsSeats
1 complaintsBody and structure
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2024 Mercedes-Benz GLS 450 4MATIC

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