OverviewSpecificationsPrice
Mercedes-Benz GLS450 4matic
Mercedes-Benz GLS450 4matic (2024)
90
⚠ 13 complaints
Status
Certified
Long track record, no issues found
Status Certified — verified clean safety record across 5+ years of official monitoring.
Specifications
Engine Size2999 cc
Fuel TypePremium
Transmission9-speed automatic
DrivetrainAll-Wheel Drive
Combined MPG21 MPG
Mercedes-Benz GLS450 4matic Comparison with Similar Vehicles
Mercedes-Benz GLS450 4maticMercedes-Benz GLS450 4matic (this vehicle)Audi Q5 quattroAudi Q5 quattroHyundai Sonata HybridHyundai Sonata HybridToyota Prius PrimeToyota Prius PrimeToyota RAV4Toyota RAV4Toyota RAV4 Hybrid AWDToyota RAV4 Hybrid AWD
Price$87,000–$110,000$44,700–$55,500$28,650–$37,500$32,375–$36,075——
Engine Capacity2999 cc2L2L2L2.5L2.5L
Fuel TypePremiumPremiumRegularRegular Gas and ElectricityRegular GasolineRegular Gasoline
Transmission9-speed automaticAutomatic (AM-S7)Automatic (AM-S6)Automatic (variable gear ratios)Automatic (AV-S6)Automatic (AV-S6)
Body TypeSUVSmall Sport Utility Vehicle 4WDLarge CarsMidsize CarsSmall Sport Utility Vehicle 2WDSmall Sport Utility Vehicle 4WD
About

Experience the 2024 Mercedes-Benz GLS450 4MATIC, a certified hybrid SUV offering robust performance with its 375 hp turbocharged engine and all-wheel drive. Enjoy a comfortable and capable ride with its spacious dimensions and advanced 48V Li-Ion mild-hybrid system.

Pros
  • Certified safety status
  • No recalls on record
  • Spacious SUV dimensions
  • All-Wheel Drive capability
  • Powerful 375 hp engine
Cons
  • 13 complaints on record
  • Premium fuel required
Complaints13 total
MERCEDES-BENZ GLS 450 2024 ELECTRICAL SYSTEM
medium
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 collision in traffic. Reproduced by dealer: [UNKNOWN] Inspected by others: [NO] Prior symptoms: UNKNOWN. There were no warning lamps, messages, or symptoms prior to the sudden blackout.
NHTSAUSJun 2026Source →
MERCEDES-BENZ GLS 450 2024 UNKNOWN OR OTHER
high
[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)
NHTSAUSJun 2026Source →
MERCEDES-BENZ GLS 450 2024 UNKNOWN OR OTHER
low
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.
NHTSAUSApr 2026Source →
MERCEDES-BENZ GLS 450 2024 WHEELS
high
During interstate travel in rainy conditions, the vehicle appeared to lose traction and hydroplane. The tires appeared to have adequate remaining tread; however, they did not provide expected traction and the vehicle felt as though it was driving on ice. This was inconsistent with my prior experience operating the vehicle for over a year in various weather conditions without encountering similar issues. The Electronic Stability Program (ESP), traction control system, and 4MATIC all-wheel drive system did not appear to intervene to stabilize the vehicle. The vehicle spun and was involved in a crash. Despite the impact, no airbags deployed. The vehicle was rendered undrivable and towed from the scene. It is currently located at a collision repair facility and is available for inspection upon request. The suspected systems involved include the Electronic Stability Program (ESP), traction control system (TCS), 4MATIC all-wheel drive system, and Supplemental Restraint System (SRS/airbags). The vehicle has not yet undergone a full manufacturer engineering inspection, but such a review has been requested. The loss of traction at interstate speed in wet conditions created a serious safety risk to the occupants of the vehicle and surrounding motorists. The apparent lack of stability control intervention and the absence of airbag deployment increased the potential risk of injury. The vehicle was inspected by law enforcement at the scene, towed, and has been reviewed by insurance representatives as part of a claim. A manufacturer inspection is pending based on a defective claim that was filed. There were no warning lights, alerts, or messages related to traction control, stability control, or airbags prior to the incident.
NHTSAUSFeb 2026Source →
MERCEDES-BENZ GLS 450 2024 FORWARD COLLISION AVOIDANCE: WARNINGS
high
The 2024 Mercedes-Benz GLS 450 exhibits a critical "Spatial Mapping Offset" defect within the MBUX 360-degree camera interface and the Active Brake Assist (ABA) logic. Specifically, the digital rendering of physical obstacles on the dashboard display is offset by approximately 0.5 feet (6 inches). This creates a "false clear" condition where the driver is visually signaled that an obstacle has been cleared while the vehicle’s chassis is still in a strike position. On September 27, 2025, this defect resulted in a collision with a stationary post. Despite the system’s Parking Control Module identifying the object (recorded as "Orange/Indented" in dealer Repair Order #731706), the system failed to escalate to a Red Triangle alert or initiate autonomous braking. Furthermore, the vehicle’s sensing suite is demonstrably unstable, exhibiting "Phantom Alerts" (detecting non-existent obstacles) and total Augmented Reality (AR) camera blackouts in direct sunlight—a failure the manufacturer’s representative attributed to solar interference. The manufacturer (MBUSA) has formally denied a defect exists, claiming the system is not designed to detect stationary objects or operate below 4 mph. However, I have documented video/photographic evidence of the vehicle successfully intervening for stationary objects at these speeds in other scenarios (e.g., concrete garage posts). This proves the system's safety protocols are intermittent and unreliable. This lack of synchronization between real-time spatial data and the driver interface makes a collision mathematically inevitable and constitutes a significant public safety hazard.
NHTSAUSSept 2025Source →
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Status history
Uncertain→Certified31 May 2026
Lemon Score: 97. 2 data points. v3 scoring.
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