NHTSA vehicle safety data

2026 Mercedes Benz GLS 450 4Matic Recalls & Complaints

The 2026 Mercedes Benz GLS 450 4Matic has 2 NHTSA recall campaigns and 2 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Mercedes Benz dealer.

NHTSA recall and complaint data for the 2026 Mercedes Benz GLS 450 4Matic. Recall data is refreshed daily from NHTSA.

2026 Mercedes Benz GLS 450 4Matic owner complaints

Owners have filed 2 complaints with NHTSA about the 2026 Mercedes Benz GLS 450 4Matic, describing incidents dated August 6, 2026 to August 20, 2026.

Most-cited components

Engine 1 complaint
Equipment 1 complaint
Unknown or Other 1 complaint

Together, the 2 complaints on file report 1 injury (owner-reported, not verified by NHTSA).

Newest complaints

ODI #11763023 · Filed September 9, 2026
The contact owns a 2026 Mercedes GLS 450 4MATIC. The contact stated that while his daughter was sitting in the rear driver's side seat and attempting to exit the vehicle, the speaker on the rear driver's door scraped her right elbow. The contact stated that the screw holes for the speaker had…
ODI #11758717 · Filed August 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…

Read all 2 complaints

Rear Seat Belt Bolts Not Tightened Properly

NHTSA #26V353000 · Seat Belts — Rear/Other — Buckle Assembly · NHTSA notice

Reported May 29, 2026 · Mercedes-Benz USA, LLC

Potentially affected: 203 vehicles

Repair completion: 58.13% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified July 17, 2026 · Vehicles built January 21, 2026 – February 16, 2026 (per NHTSA)

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 AMG GLS 63 4MATIC+, AMG GLE 63 S 4MATIC+ COUPE, AMG GLE 63 S 4MATIC+, AMG GLE 53 4MATIC+ COUPE, AMG GLE 53 4MATIC+, GLE 450 4MATIC COUPE, GLE 350 4MATIC, Maybach GLS 600 4MATIC, GLS 580 4MATIC, GLS 450 4MATIC, GLE 580 4MATIC, GLE 450E 4MATIC, GLE 450 4MATIC, and GLE 350 vehicles. The bolts for the rear seat belts may not be tightened properly.

Safety consequence

A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury.

Manufacturer remedy

Dealers will tighten the rear seat belt bolts and replace any missing bolts, free of charge. Owner notification letters were mailed July 17, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on June 5, 2026.

Air Bag May Not Deploy as Intended

NHTSA #26V199000 · Air Bags — Passenger Side Frontal — Cushion · NHTSA notice

Reported March 27, 2026 · Mercedes-Benz USA, LLC

Potentially affected: 932 vehicles

Repair completion: 77.79% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified June 12, 2026

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE 450 4MATIC, GLE 350, GLE 580 4MATIC, GLS 580 4MATIC, GLE 450 E 4MATIC, AMG GLE53 4MATIC, AMG GLS63 4MATIC, AMG GLE63 S 4MATIC, GLS 450 4MATIC, and GLS 600 4MATIC vehicles. The passenger air bag fabric may have been manufactured incorrectly, which can cause the air bag not to deploy as intended.

Safety consequence

Air bags that do not deploy as intended during a crash increase the risk of injury.

Manufacturer remedy

Dealers will replace the passenger air bag module, free of charge. Owner notification letters were mailed June 12, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 3, 2026.

try.vin has no NCAP crash-test rating on file for the 2026 Mercedes Benz GLS 450 4Matic. NHTSA rates some vehicles by body style — pickups by cab, vans by roof height — so check nhtsa.gov/ratings.

2 owner complaints have been filed with NHTSA for the 2026 Mercedes Benz GLS 450 4Matic.

Equipment

ODI #11763023

1 injury

Incident: August 6, 2026 · Filed: September 9, 2026

The contact owns a 2026 Mercedes GLS 450 4MATIC. The contact stated that while his daughter was sitting in the rear driver's side seat and attempting to exit the vehicle, the speaker on the rear driver's door scraped her right elbow. The contact stated that the screw holes for the speaker had jaggedly sharp edges, and the holes on the speakers looked like perforations on a grater. The contact stated that the other shiny metal door speakers on each door were also sharp and posed a potential injury risk. The vehicle was taken to a dealer. The dealer did not believe that the screw holes on the speaker were sharp. The failure mileage was approximately 2,000.

Unknown or Other; Engine

ODI #11758717

Incident: August 20, 2026 · Filed: August 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 upload as is is too large, but have loaded an image of the car in service showing transfer case. Please let me know how i can share the video.

Other Mercedes Benz GLS 450 4Matic model years

Check your 2026 Mercedes Benz GLS 450 4Matic VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mercedes Benz GLS 450 4Matic at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

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