VehicleVerdict

2023 Mercedes-Benz Gls 450 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 16 complaints on file for the 2023 Mercedes-Benz Gls 450 — too few to judge reliability from owner reports alone — but 5 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

16

NHTSA complaints

5

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2023 compare to other Gls 450 years?

Gls 450 NHTSA complaints by model year, 2023 highlighted64 complaints2018: 20 complaints2019: 23 complaints2020: 64 complaints2022: 27 complaints2023: 16 complaints2024: 20 complaints
Gls 450 NHTSA complaints by model year, 2023 highlighted. Red bars are years to avoid.

See all Gls 450 years to avoid →

What are the most common 2023 Mercedes-Benz Gls 450 problems?

ComponentComplaintsShare
Brakes425%
Driver Assistance425%
Engine319%
Fuel System213%
Electrical System16%
Other16%
Tires & Wheels16%

Does the 2023 Mercedes-Benz Gls 450 have recalls?

5 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

24V207000Electrical SystemMarch 15, 2024 · 116,020 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles. A 48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating.

Consequence

An overheated ground connection can increase the risk of a fire.

Remedy

Dealers will inspect and tighten the 48-Volt ground connection as necessary, free of charge. Owner notification letters were mailed on May 3, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040002.

24V118000TransmissionFebruary 16, 2024 · 105,071 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.

Consequence

An engine stall increases the risk of a crash.

Remedy

Dealers will update the transmission control unit software, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.

23V880000Fuel SystemDecember 21, 2023 · 79,676 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.

Consequence

A loss of drive power can increase the risk of a crash.

Remedy

Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.

23V445000Fuel SystemJune 26, 2023 · 143,551 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

Consequence

A loss of drive power can increase the risk of a crash.

Remedy

Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

23V178000Body & StructureMarch 17, 2023 · 70,225 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 GLE350, GLE450, GLE580, GLS450, GLS580, Maybach GLS600, AMG GLE53, AMG GLE63 S, and AMG GLS63 vehicles. The rear door window trim bars may detach from the vehicle while driving.

Consequence

Detached trim bars may cause a road hazard and increase the risk of a crash or injury.

Remedy

Dealers will inspect and secure the rear window trim bars, as necessary, free of charge. Owner notification letters were mailed May 5, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of previous recall number 22V-680. MBUSA's number for this recall is 2023040011.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“when coming to a stop and applying the break, the transmission stalled. a warning was issued around lane keeping assist and a second warning. Then the transmission light was on. It was not at risk in the moment because no one was behind me and I was coming to a stop sign. If it prevented me from…”

Complaint filed with NHTSA · Brakes · August 21, 2024

“when coming to a stop and applying the break, the transmission stalled. a warning was issued around lane keeping assist and a second warning. Then the transmission light was on. It was not at risk in the moment because no one was behind me and I was coming to a stop sign. If it prevented me from…”

Complaint filed with NHTSA · Driver Assistance · August 21, 2024

“when coming to a stop and applying the break, the transmission stalled. a warning was issued around lane keeping assist and a second warning. Then the transmission light was on. It was not at risk in the moment because no one was behind me and I was coming to a stop sign. If it prevented me from…”

Complaint filed with NHTSA · Engine · August 21, 2024

“Twice the vehicle has stalled while driving. I see that there is a recall on my model for a faulty fuel pump which causes this problem, but my dealer claims my vehicle is not part of the recall even though it is having the same issue.”

Complaint filed with NHTSA · Fuel System · September 27, 2023

“I have a new GLS450 and on two separate occasions the car has shut down at a stop with no warning. First time was approximately mid July of 2023 with about 1,700miles. While at a stop the instrument panel displayed a text box with the words “Malfunction” across the screen, and proceeded to shut…”

Complaint filed with NHTSA · Electrical System · August 5, 2023

2023 Mercedes-Benz Gls 450 — common questions

Is the 2023 Mercedes-Benz Gls 450 reliable?

The record is thin — 16 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 5 recalls should be verified as completed.

What are the most common 2023 Gls 450 problems?

According to NHTSA complaint data, the leading problem areas are brakes (4 complaints), driver assistance (4 complaints), engine (3 complaints).

Does the 2023 Mercedes-Benz Gls 450 have recalls?

Yes — NHTSA lists 5 recall campaigns affecting the 2023 Mercedes-Benz Gls 450. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mercedes-Benz Gls 450 years should you avoid?

Based on complaint rates and open investigations, the Gls 450 years to avoid are 2020. The cleanest record among Gls 450 years belongs to 2023.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.