The worst 2026 Mercedes Benz AMG Gls63 4matic+ problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 2
Seat belts: rear/other: buckle assembly
- What is wrong
- 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.
- Risk
- A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury.
- 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 on June 5, 2026.
Recall number 26V353000 · Recall details
Air bags: passenger side frontal: cushion
- What is wrong
- 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.
- Risk
- Air bags that do not deploy as intended during a crash increase the risk of injury.
- 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 beginning April 3, 2026.
Recall number 26V199000 · Recall details
See all 2 recalls for the 2026 Mercedes Benz AMG Gls63 4matic+
Technical service bulletins for the 2026 Mercedes Benz AMG Gls63 4matic+ 57
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Customers may notice a check engine light in the instrument cluster and may also complain of rough running
- Harsh upshifts, downshifts, or jolting in lower gears when accelerating
- Customer concern of Air Conditioning not cooling
- Customer states that the yellow "Coolant" message is populated in the instrument cluster
- Subject vehicles were visible and flagged in VMI as “OPEN” under campaign 2026080002 in Netstar-VMI on...
- Issue A software update will be performed that provides enhancements to the robustness and system...
- Slight creaking noises when steering
- Power train
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Red coolant warning in instrument cluster
See all 57 bulletins for the 2026 Mercedes Benz AMG Gls63 4matic+
Compare the 2026 Mercedes Benz AMG Gls63 4matic+
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Questions about the 2026 Mercedes Benz AMG Gls63 4matic+
Is the 2026 Mercedes Benz AMG Gls63 4matic+ reliable?
Owners have filed 0 complaints about the 2026 Mercedes Benz AMG Gls63 4matic+.
What is the most common problem with the 2026 Mercedes Benz AMG Gls63 4matic+?
There are not enough complaints to tell.
How many recalls does the 2026 Mercedes Benz AMG Gls63 4matic+ have?
2 recalls, covering seat belts and air bags.
VIN decoder
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