2020 Mercedes-Benz GLS 450: recalls and complaints

NHTSA lists 20 recall campaigns for the 2020 Mercedes-Benz GLS 450. The newest campaign is 24V207000. NHTSA received the report on 15 Mar 2024. The NHTSA record gives the component Electrical System / Wiring. NHTSA has 35 complaints on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 24V207000, in the NHTSA record

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.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 30 Sep 2026. Recall file through 30 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

20 campaigns, newest first. 2,608,912 units in total.

24V20700015 Mar 2024Electrical System / Wiring
24V11800016 Feb 2024Power Train / Automatic Transmission / Control Module / Software
23V17700017 Mar 2023Visibility / Defroster/Defogger/HVAC System
22V73200030 Sep 2022Seats / Mid/Rear Assembly
22V68000012 Sep 2022Structure / Body
22V4660001 Jul 2022Air Bags / Frontal
22V36500020 May 2022Electrical System / Software
22V2320008 Apr 2022Back Over Prevention / Display Function
22V2310008 Apr 2022Electrical System / Wiring / Interior/Under Dash
21V96100013 Dec 2021Fuel System, Gasoline / Fuel Injection System / Fuel Rail
21V81800018 Oct 2021Seats
21V35400014 May 2021Back Over Prevention / Sensing System / Camera
21V28800023 Apr 2021Equipment / Appliance / Air Conditioner
21V07100012 Feb 2021Electronic Stability Control (ESC) / Control Module / Software
21V0570005 Feb 2021Structure / Interior Panels / Dashboard
21V0580005 Feb 2021Communication / Auto Crash Notification
20V6260009 Oct 2020Steering / Electric Power Assist System
20V3290005 Jun 2020Suspension / Rear / Shock Absorber
20V17200020 Mar 2020Structure / Frame and Members
19V58700012 Aug 2019Equipment / Appliance / Air Conditioner

24V207000Received 15 Mar 2024. 116,020 units.
Electrical System / Wiring
Defect, in the NHTSA record
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, in the NHTSA record
An overheated ground connection can increase the risk of a fire.
Remedy, in the NHTSA record
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.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2024040002. Owner notification date in the NHTSA record: 3 May 2024.
24V118000Received 16 Feb 2024. 105,071 units.
Power Train / Automatic Transmission / Control Module / Software
Defect, in the NHTSA record
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, in the NHTSA record
An engine stall increases the risk of a crash.
Remedy, in the NHTSA record
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.
Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 29 Mar 2024.
23V177000Received 17 Mar 2023. 61,450 units.
Visibility / Defroster/Defogger/HVAC System
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles. The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.
Consequence, in the NHTSA record
Water intrusion into the foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled and the doors may not unlock, increasing the risk of injury. Also, the engine may not start or may enter a limp-home mode, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and reinstall the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed April 28, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of recall numbers 21V-288 and 19V-587. MBUSA's numbers for this recall are 2023030014 and 15.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2023030014 & 15. Owner notification date in the NHTSA record: 28 Apr 2023.
22V732000Received 30 Sep 2022. 59,574 units.
Seats / Mid/Rear Assembly
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash.
Consequence, in the NHTSA record
A seat with a seatback lock failure may not properly restrain occupants, increasing the risk of injury during a crash.
Remedy, in the NHTSA record
Dealers will inspect and replace the third-row seatback, as necessary, free of charge. Owner notification letters were mailed November 18, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022100011.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022100011. Owner notification date in the NHTSA record: 18 Nov 2022.
22V680000Received 12 Sep 2022. 161,000 units.
Structure / Body
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicles. Due to a manufacturing error, the rear door window trim bars may detach.
Consequence, in the NHTSA record
Detached trim bars may cause a road hazard and increase the risk of a crash or injury.
Remedy, in the NHTSA record
Dealers will inspect and secure the rear window trim bars, as necessary, free of charge. Owner notification letters were mailed November 1, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022090010.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022090010. Owner notification date in the NHTSA record: 1 Nov 2022.
22V466000Received 1 Jul 2022. 81 units.
Air Bags / Frontal
Defect, in the NHTSA record
Mercedes-Benz, LLC (MBUSA) is recalling certain 2020 Mercedes-Benz GLS 450 and GLS 580 vehicles. The front air bag wiring harness may be routed incorrectly, which can cause the air bag not to deploy properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence, in the NHTSA record
An air bag that does not deploy properly can increase the risk of injury in the event of a crash.
Remedy, in the NHTSA record
Dealers will correct the wiring harness routing, free of charge. Owners notification letters were mailed August 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022070006.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022070006. Owner notification date in the NHTSA record: 22 Aug 2022.
22V365000Received 20 May 2022. 242,722 units.
Electrical System / Software
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Consequence, in the NHTSA record
A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy, in the NHTSA record
The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
Report filed by Mercedes-Benz USA, LLC. Owner notification date in the NHTSA record: 8 Jul 2022.
22V232000Received 8 Apr 2022. 126,443 units.
Back Over Prevention / Display Function
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence, in the NHTSA record
An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022060007. Owner notification date in the NHTSA record: 15 Jul 2022.
22V231000Received 8 Apr 2022. 21,306 units.
Electrical System / Wiring / Interior/Under Dash
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles. A ground cable bolt for the 48V ground connection under the front passenger seat may not be secured properly, which can cause the electrical cable to overheat.
Consequence, in the NHTSA record
An overheated electrical cable can increase the risk of a fire.
Remedy, in the NHTSA record
Dealers will inspect and tighten the ground cable bolt, as necessary, free of charge. Owner notification letters were mailed July 8, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040017.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022040017. Owner notification date in the NHTSA record: 8 Jul 2022.
21V961000Received 13 Dec 2021. 139 units.
Fuel System, Gasoline / Fuel Injection System / Fuel Rail
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550 vehicles equipped with a gasoline engine. During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak.
Consequence, in the NHTSA record
A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
Remedy, in the NHTSA record
Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for the recall is 2022030003.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2022030003. Owner notification date in the NHTSA record: 22 Apr 2022.
21V818000Received 18 Oct 2021. 27 units.
Seats
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS450, GLS580, GLE350, GLE450, AMG C63, and 2021 AMG GLE53 vehicles. The seats may have been assembled incorrectly.
Consequence, in the NHTSA record
Incorrectly assembled seats may not properly restrain an occupant during a crash, increasing the risk of injury.
Remedy, in the NHTSA record
Dealers will inspect and repair the seats, as necessary, free of charge. Owner notification letters are expected to be mailed December 8, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021110010.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021110010. Owner notification date in the NHTSA record: 8 Dec 2021.
21V354000Received 14 May 2021. 343,191 units.
Back Over Prevention / Sensing System / Camera
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Consequence, in the NHTSA record
A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
Remedy, in the NHTSA record
The multimedia system software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning June 28, 2021. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2021050012.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021050012. Owner notification date in the NHTSA record: 28 Jun 2021.
21V288000Received 23 Apr 2021. 6,331 units.
Equipment / Appliance / Air Conditioner
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLE 53, 2020 GLE350, GLE450, GLE580, GLS450, and GLS580 vehicles. The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.
Consequence, in the NHTSA record
Water intrusion into the driver and passenger side foot wells may cause corrosion and/or short circuits to electrical components, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled and the doors may not unlock, increasing the risk of injury. Also, the engine may not start or may enter a limp-home mode, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect and correct the air conditioner drain hoses, as necessary, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021040024.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021040024. Owner notification date in the NHTSA record: 4 Jun 2021.
21V071000Received 12 Feb 2021. 41,838 units.
Electronic Stability Control (ESC) / Control Module / Software
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE450, GLE350, and 2020 GLS450, GLE580, GLS580 vehicles. During certain evasive driving maneuvers, the Electronic Stability Program (ESP) software may apply torque to one of the front wheels, pulling the vehicle to one side. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 126, "Electronic Stability Control Systems."
Consequence, in the NHTSA record
If the vehicle unexpectedly pulls to one side during an evasive maneuver, it can increase the risk of a crash.
Remedy, in the NHTSA record
MBUSA will notify owners, and dealers will update the ESP software, free of charge. The recall began March 31, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030004.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021030004. Owner notification date in the NHTSA record: 31 Mar 2021.
21V057000Received 5 Feb 2021. 8 units.
Structure / Interior Panels / Dashboard
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS 450, GLE 350, GLE 450, and 2021 AMG GLE53 vehicles. The dashboard surface may not be properly secured to the base material.
Consequence, in the NHTSA record
In the event of a crash where the passenger air bag deploys, an unsecured dashboard could impair the inflation of the passenger air bag, increasing the risk of injury.
Remedy, in the NHTSA record
MBUSA will notify owners, and dealers will replace the dashboard, free of charge. The recall began April 16, 2021. Owners may contact MBUSA customer serviced at 1-800-367-6372. MBUSA's number for this recall is 2021030003.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021030003. Owner notification date in the NHTSA record: 16 Apr 2021.
21V058000Received 5 Feb 2021. 1,292,258 units.
Communication / Auto Crash Notification
Defect, in the NHTSA record
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Consequence, in the NHTSA record
Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Remedy, in the NHTSA record
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.
Report filed by Mercedes-Benz USA, LLC. Manufacturer campaign number 2021020025. Owner notification date in the NHTSA record: 12 Mar 2021.
20V626000Received 9 Oct 2020. 12,799 units.
Steering / Electric Power Assist System
Defect, in the NHTSA record
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE 350, GLE 450, GLE 580, GLS 450, GLS 580 vehicles equipped with an optional illuminated Mercedes-Benz star logo in the front grill. The star logo's electrical ground connection may not be installed properly, potentially affecting the function of other components that share the same ground connection, such as the power steering control unit, wiper motor, and/or the left headlight.
Consequence, in the NHTSA record
If the power steering, wiper motor, or left headlight malfunction there could be an increased risk of a crash.
Remedy, in the NHTSA record
MBUSA will notify owners, and dealers will relocate the ground connection, free of charge. The recall began November 13, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020100015/6.
Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020100015/6. Owner notification date in the NHTSA record: 13 Nov 2020.
20V329000Received 5 Jun 2020. 38 units.
Suspension / Rear / Shock Absorber
Defect, in the NHTSA record
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE450, GLS450, and GLS580 vehicles. The sealing of the piston assembly in the front struts and rear shock absorbers may leak and fail prematurely.
Consequence, in the NHTSA record
Premature wear of the front struts and rear shock absorbers can affect vehicle handling and control, increasing the risk of a crash.
Remedy, in the NHTSA record
MBUSA will notify owners, and dealers will replace the front strut assemblies and rear shock absorbers, free of charge. The recall began October 20, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020090001.
Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020090001. Owner notification date in the NHTSA record: 20 Oct 2020.
20V172000Received 20 Mar 2020. 224 units.
Structure / Frame and Members
Defect, in the NHTSA record
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE350, GLE450 AND GLS450 vehicles. The seams on the rear crossmember may have been insufficiently welded. This may allow cracks to form when towing, possibly causing the rear crossmember to detach from the vehicle.
Consequence, in the NHTSA record
If the rear crossmember detaches from the vehicle, it can become a road hazard and increase the risk of a crash.
Remedy, in the NHTSA record
MBUSA will notify owners, and dealers will replace the rear crossmember, free of charge. The recall began July 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020060013.
Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2020060013. Owner notification date in the NHTSA record: 17 Jul 2020.
19V587000Received 12 Aug 2019. 18,392 units.
Equipment / Appliance / Air Conditioner
Defect, in the NHTSA record
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 GLE350, GLE350 4MATIC, GLS450 4MATIC, and GLE450 4MATIC vehicles. The air conditioner drain hoses may have been incorrectly installed, causing water to drain from the air conditioner into the passenger compartment.
Consequence, in the NHTSA record
If a significant volume of water enters the driver and passenger side foot wells, it might cause corrosion and/or short circuits to the electrical components in the area, increasing the risk of fire. In addition, the emergency call (eCall) feature may be disabled; the vehicle may not be able to be unlocked and/or started; and the engine limp-home mode might be activated during driving. These features increase the risk of an injury or crash.
Remedy, in the NHTSA record
MBUSA will notify owners, and dealers will inspect and correct the air conditioner drain hoses, as necessary, free of charge. The recall began September 6, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019080005.
Report filed by Mercedes-Benz USA, LLC.. Manufacturer campaign number 2019080005. Owner notification date in the NHTSA record: 6 Sep 2019.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

35 complaints, 64 component mentions.

A complaint can name more than one component. Each component that a complaint names is one component mention. The figure per 1,000 component mentions shows how many of each 1,000 mentions name the component.

2020 Mercedes-Benz GLS 450
All 2020 vehicles

2020 Mercedes-Benz GLS 450: complaints by component, per 1,000 component mentions
Component	2020 GLS 450	All 2020 vehicles	GLS 450, all years	Mentions
Electrical System	281.3	135.8	201.8	18
Engine	140.6	134.9	119.3	9
Forward Collision Avoidance	140.6	66.1	91.7	9
Fuel/Propulsion System	93.8	40.4	64.2	6
Power Train	62.5	117.7	73.4	4
Unknown or Other	62.5	115.3	91.7	4
Air Bags	31.3	24.7	27.5	2
Back Over Prevention	31.3	18.8	36.7	2
Service Brakes	31.3	46.4	55	2
Visibility/Wiper	31.3	40.2	18.3	2

The table shows the 10 components with the most mentions, of 15.

Complaints that report a crash: 3
Complaints that report a fire: 1
Injuries in the complaints: 2
Deaths in the complaints: 0
Date of the newest complaint: 3 Jun 2026

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

Complaints about the 2020 Mercedes-Benz GLS 450, by the year NHTSA received them. The largest year is 2024, with 8 complaints.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

20183
20192
202020

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2020 Mercedes-Benz GLS 450The recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2020 Mercedes-Benz GLS 450: recalls and complaints. https://recallregister.com/vehicle/mercedes-benz/gls-450/2020/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 30 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 30 Sep 2026
Complaint file through: 30 Sep 2026
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: Mercedes-Benz USA, LLC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2020 Mercedes-Benz GLS 450?: 2,608,912 units in 20 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Mercedes-Benz GLS 450 have for all model years?: NHTSA lists 21 recall campaigns for the Mercedes-Benz GLS 450, model years 2018 to 2020. 20 of them name the 2020 model year.
Which component do the complaints about the 2020 Mercedes-Benz GLS 450 name most often?: Electrical System: 18 of 64 component mentions, or 281.3 per 1,000. For all 2020 vehicles the figure is 135.8 per 1,000.
Is an NHTSA investigation of the 2020 Mercedes-Benz GLS 450 open?: The NHTSA investigation file has no investigation that names this model year.