NHTSA Data Explorer
Mercedes-Benz GLS450
Data refreshed September 6, 2026
Select a model year to filter results to that year of the Mercedes-Benz GLS450.
Complaints
183
Active records
Recalls
38
Active records
TSBs
274
Active records
Filing history
Monthly totals over the last 20 years. Click a legend item to show or hide that series.
Reported severity
Based on consumer complaints filed since 2000. Recalls and TSBs do not include severity data.
Deaths
0
Injuries
9
Crashes
14
Fires
14
Top reported issues — Mercedes-Benz GLS450
Click a category to expand its values.
Operating state
Condition issue
Reporting mechanism
Driver assistance issue
Engine behavior
Thermal issue
Braking behavior
Performance issue
Transmission/drivetrain behavior
Electrical issue
Fluid issue
Safety restraint issue
Electrified system issue
Powering on/off behavior
Starting behavior
Noise
Smell
Infotainment behavior
Access/entry issue
Ride/handling behavior
Safety restraint behavior
Steering behavior
Lighting behavior
Vibration/harshness
HVAC behavior
Communication/network issue
Recent change
Wiper/washer behavior
Recent filings
The 10 most recent filings for each type.
2019 MERCEDES-BENZ GLS 450
Filed Sep 2, 2026
The contact owns a 2019 Mercedes-Benz GLS450 4Matic. The contact stated that vehicle was taken to the dealer for routine service, and it was discovered that the U-joint on front driveshaft was fractured and needed to be replaced. The contact associated the failure with NHTSA Campaign Number: 26V216000 (Power Train); however, the VIN was not included in the recall. The failure mileage was approximately 56,000.
2017 MERCEDES-BENZ GLS450
Filed Aug 30, 2026
On 8/20/2026 I had a vacuum leak from the intake manifold and crankcase hoses repaired at a Vic's Bimmer Shop in the city of Lancaster California. This included the replacement of the oil separator breather on the engine. I drove my Mercedes Benz 2017 GLS450 less than 100 miles and the engine lost power and suddenly turned off. I was able to pull off onto the side of the freeway and then I saw smoke coming from under the hood and my wife and I exited the vehicle, called the fire department and…
2024 MERCEDES-BENZ GLS 450 4MATIC
Filed Aug 26, 2026
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
2019 MERCEDES-BENZ GLS 450
Filed Aug 25, 2026
the vehicle suffered a sudden and catastrophic engine failure while being driven on the freeway at about 60mph. The engine seized and the vehicle lost propulsion creating a serious safety concern
2026 MERCEDES BENZ GLS 450 4MATIC
Filed Aug 22, 2026
On Thursday, August 20th at approxmately 5:30PM my 2026 Mercedes Benz suffered a catastrophic transfer case failure and driveshhaft failure at highways speeds, causing a complete loss of propulsion. Putting me in immediate danger of on coming traffic. After the got to the shoulder I waited about 3 plus hours in pouring rain waiting for Mercedes Benz roadside assistance. The safety of this vehicle put me, my wife and family in immediate danger if this happens again. I do have a video I cannot…
2024 MERCEDES-BENZ GLS 450 4MATIC
Filed Jul 6, 2026
While traveling at highway speeds, the digital instrument cluster suffered a sudden, complete power loss and went entirely black for approximately 5 seconds before rebooting. Component failed: Digital instrument cluster / dashboard display. It is available for inspection. Safety risk: Complete loss of critical data (speedometer, vehicle status) at high speed. It caused immediate driver confusion over whether the vehicle had stalled or lost propulsion, creating an acute risk of a high-speed…
2025 MERCEDES-BENZ GLS 450 4MATIC
Filed Jun 29, 2026
We recently noticed visible damage to one of the seatbelts in our 2025 Mercedes-Benz GLS450. The affected component is the seatbelt webbing. The belt has visible fraying and pulled/cut fibers along the edge in two separate spots near the area where the belt retracts. The vehicle is very new, and the damage appears abnormal for a safety-related component. The damage is localized near the belt path/retractor area, and we are concerned it may be related to an issue with the seatbelt path,…
2019 MERCEDES-BENZ GLS 450
Filed Jun 22, 2026
The front vehicle hood keep saying it open but is lock keep getting a message saying is open I am afraid is might come out lock and cause me to an accident
2024 MERCEDES-BENZ GLS 450 4MATIC
Filed Jun 9, 2026
[XXX] girl went in back passenger door (rear facing car seat present), crouched under seat area to climb to middle seat when [XXX] brother push button and seat moved forward without stopping crushing [XXX] old head between back of seat and back of Car seat. There was no safety stop, was stuck mother has to press button to move seat back to release head. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
2020 MERCEDES-BENZ GLS 450
Filed Jun 3, 2026
AMENDMENT TO ACTIVE CASE 11723015. CRITICAL AIRBAG & SAFETY DEFECTS. This files a safety defect amendment to open case 11723015. Diagnostic scans confirm central data bus network collapse on VIN [XXX] has migrated into safety-critical occupant restraint and visibility modules, violating 49 U.S.C. § 30118. I. AIRBAG & RESTRAINT HAZARDS Scans from [XXX], document active faults: DTC U042782: Implausible data received from Electronic Ignition Lock. The SRS module receives corrupted data from…