2023 Mercedes-Benz GLS 450 4MATIC Problems, Complaints & Recalls
- Compared with other GLS 450 4MATIC years
- Not enough data 3rd of 5 for complaints
- Safety recalls
- 5 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 7 complaints with NHTSA about the 2023 Mercedes-Benz GLS 450 4MATIC. That ranks 3rd out of 5 GLS 450 4MATIC model years for complaints. The most reported problem area is service brakes (4 complaints, 57%). There are 5 safety recalls covering this model year.
- 7owner complaints
- 5safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2023 Mercedes-Benz GLS 450 4MATIC problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Service Brakes | 4 | 57% | — | — | — |
| Engine | 3 | 43% | — | — | — |
| Forward Collision Avoidance | 2 | 29% | — | — | — |
| Electrical System | 1 | 14% | — | — | — |
| Fuel/propulsion System | 1 | 14% | — | — | — |
| Fuel System, Gasoline | 1 | 14% | 11,000 | — | — |
| Lane Departure | 1 | 14% | — | — | — |
| Unknown or Other | 1 | 14% | — | — | — |
| Wheels | 1 | 14% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2023 Mercedes-Benz GLS 450 4MATIC recalls (5)
Tap a recall to see the problem, the risk and the fix.
Electrical system:wiring
Problem: 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.
Risk: An overheated ground connection can increase the risk of a fire.
Fix: 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.
Power train:automatic transmission:control module:software
Problem: 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.
Risk: An engine stall increases the risk of a crash.
Fix: 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.
Fuel system, gasoline:delivery:fuel pump
Problem: 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.
Risk: A loss of drive power can increase the risk of a crash.
Fix: 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.
Fuel system, gasoline:delivery:fuel pump
Problem: 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.
Risk: A loss of drive power can increase the risk of a crash.
Fix: 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.
Structure:body
Problem: 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.
Risk: Detached trim bars may cause a road hazard and increase the risk of a crash or injury.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
The car recently underwent a software update at the dealership for a backup camera issue. When I was driving home on the highway, the car suddenly braked and the seat belts automatically tightened up. This happened 3 additional times on the highway about 5 days later. I had turned off the automatic…
There have been 3 incidents where the car responded to unknown stimuli by braking hard. 3 months ago it happened while making a left turn through an intersection, driving about 10 mph the brakes unexpectedly locked up, luckily the person behind me took evasive action and didn't hit me; 2 weeks…
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…
The contact owns a 2023 Mercedes-Benz GLS450. The contact received notification of NHTSA Campaign Number: 23V880000 (Fuel System Gasoline) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall…
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.
Other Mercedes-Benz GLS 450 4MATIC years
← 2022 GLS 450 4MATIC · 2024 GLS 450 4MATIC →
| Year | Complaints | Recalls |
|---|---|---|
| 2026 GLS 450 4MATIC | 2 | 2 |
| 2025 GLS 450 4MATIC | 7 | 1 |
| 2024 GLS 450 4MATIC | 15 | 0 |
| 2023 | 7 | 5 |
| 2022 GLS 450 4MATIC | 16 | 10 |
See all Mercedes-Benz GLS 450 4MATIC problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
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Frequently asked questions
What are the most common problems with the 2023 Mercedes-Benz GLS 450 4MATIC?
Owners most often report service brakes, engine, forward collision avoidance problems. The top one, service brakes, accounts for 4 complaints.
Was there a recall on the 2023 Mercedes-Benz GLS 450 4MATIC?
Yes, 5 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2023 Mercedes-Benz GLS 450 4MATIC a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other GLS 450 4MATIC model years, the 2023 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.