2024 Mercedes-Benz GLS450 Problems & Complaints

Use caution1.7× as many complaints as a typical year of the GLS450 at the same age

Owners have filed 15 complaints about the 2024 Mercedes-Benz GLS450 with the National Highway Traffic Safety Administration. That is 1.7× as many as a typical GLS450 model year at the same age — above average, so look closely at the problem areas below before you buy. The most reported problem area is the driver assistance (4 complaints).

15complaints
0recalls
4crashes
0fires
1injuries
0deaths

Most common 2024 Mercedes-Benz GLS450 problems

  • Other / not specified
    640%
  • Driver assistance
    427%
  • Electrical system
    320%
  • Wheels & tires
    320%
  • Body & structure
    17%
  • Engine & cooling
    17%
  • Windows, wipers & sunroof
    17%
  • Transmission & drivetrain
    17%
  • Seats
    17%

Share of the 15 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.

Mercedes-Benz GLS450 complaints by model year

201720182019202020212022202320242025202635142436311671572
Owner complaints per model year, Mercedes-Benz GLS450. Colour = our verdict for that year (red: avoid, orange: caution, green: better than average, blue: too new).

Best GLS450 years: 2023, 2022. Years to avoid: 2020, 2024, 2021. Compare all years →

What 2024 Mercedes-Benz GLS450 owners say

Driver assistance

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. at Mercedes dealer in newton nj., explained what had happened, service manager stated he NEVER heard of that problem, they checked it out and found NO problem....approximately a 10 days later as I was backing up in driveway I backed into a pickup truck that was NOT seen on the screen....my daughter was watching intently after prior crash....Never did the image of the pickup show on the screen..$5887.00 in damage later to truck and nearly the same on my card called Mercedes customer service? …

Blind spot detection · Apr 2024 · crash

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. …

Automatic emergency braking · Sep 2025 · crash

Electrical system

The contact owns a 2024 Mercedes-Benz GLS450. The contact stated while the vehicle was idling, the vehicle shut off with several unknown warning lights illuminated. The contact also stated that a message to exit the vehicle was displayed. Due to the failure, the vehicle was towed to the dealer on four separate occasions. The vehicle was towed to the dealer and the contact was informed that the failure was related to the battery. The battery was either recharged or replaced while at the dealer; however, the failure returned soon after repair. The vehicle was not repaired and remained with the dealer. The manufacturer was notified of the failure but offered no assistance. The failure mileage was unknown.

May 2024

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.

Jun 2026

Wheels & tires

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. …

Feb 2026 · crash

On November 30, 2024, I purchased a new 2024 Mercedes-Benz GLS 450 4MATIC equipped with factory-installed Pirelli tires (size: P 275/45HR21 front; 315/40HR21 rear). At the time of the accident on February 22, 2026, the vehicle had only 15,257 miles. While driving on the interstate in wet conditions, the tires failed to provide adequate traction, causing the vehicle to hydroplane. The loss of traction felt as though the vehicle was driving on ice and was inconsistent with over a year of prior operation in similar weather conditions without issue. The suspected components involved include the Pirelli tires, as well as the Electronic Stability Program (ESP), traction control system, and 4MATIC all-wheel drive system, which did not appear to effectively intervene. …

Feb 2026 · crash

2024 Mercedes-Benz GLS450 engines & fuel economy

EngineTransmissionDriveMPG city / hwy / combined
3.0L 6-cyl turbo hybrid9-speed automaticAWD19 / 24 / 21

EPA ratings. Class: SUV.

Frequently asked questions

Is the 2024 Mercedes-Benz GLS450 a good car?

Based on 15 owner complaints filed with NHTSA, the 2024 GLS450 rates use caution: 1.7× as many complaints as a typical year of the GLS450 at the same age. It is one of the GLS450 years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.

What is the most common problem with the 2024 Mercedes-Benz GLS450?

The driver assistance — 4 complaints, 27% of all complaints for this model year, most often about automatic emergency braking. Next are the electrical system (3) and wheels & tires (3).

How many recalls does the 2024 Mercedes-Benz GLS450 have?

NHTSA lists no recalls for the 2024 Mercedes-Benz GLS450. You can still confirm with your VIN using our VIN recall check.

What are the best and worst years of the Mercedes-Benz GLS450?

The best years by complaints, compared at the same age, are 2023 and 2022. Years to avoid or approach with caution: 2020, 2024 and 2021. See the full Mercedes-Benz GLS450 years comparison.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.