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Model year

2021 Mercedes-maybach GLS 600

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (4)Complaints (0)Investigations (0)Bulletins (273)
Recall campaigns covering this model year41.79M vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2021 Mercedes-maybach GLS 600 by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

4 recall campaigns cover the 2021 Mercedes-maybach GLS 600

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2021 Mercedes-maybach GLS 600
CampaignFiledSubjectComponentVehiclesRemedy
24V-207Mar 15, 202448-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheatingElectrical system116,020Repair or modification
23V-445Jun 26, 2023Fuel pump may shutdown, which can result in a loss of drive powerFuel system143,551Part replacement
22V-365May 20, 2022Error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) systemCommunication242,722Software update
21V-058Feb 5, 2021Software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the…Communication1,292,258Software update
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Mercedes-maybach GLS 600

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    273 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • LI35.31-P-080353 Sep 14, 2026 · Service Bulletin/Repair Instructions
      Complaint Whining / humming noises (described as foghorn‑like) from the drivetrain in the rear axle area during cornering. (figure 1) On the above‑mentioned vehicles with a mileage up to 15,000 km (about 9,300 mi), noises can occur from the rear axle differ…
    • LI54.71-P-079104 Sep 11, 2026 · Service Bulletin/Repair Instructions
      Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("‑ ‑"). • Flashing when current vehicle speed is under speed limit…
    • LI83.30-P-077763 Sep 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer concern of Air Conditioning not cooling. *NOTE ‑ Use of tracer DYE for leak checks is not approved. Only approved leak check procedures as per WIS are approved. Cause Possible refrigerant leak. Remedy Perform the following measures : *Imp…
    • LI54.21-P-080326 Sep 9, 2026 · Service Bulletin/Repair Instructions
      Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivabili…
    • LI27.00-P-073124 Sep 4, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G‑TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent …
    • PSL-NCU Return Parts 9/18 Sep 18, 2026 · Other
      Dear Dealer Partners, The part numbers listed in the chart below should no longer be installed and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is Thursday, October 8th, 2026. After October 8th, we will no long…
    • LI83.55-P-080937 Sep 1, 2026 · Service Bulletin/Repair Instructions
      Cause Internal failure of the scroll wheel within the AC compressor. Remedy Check the compressor's index and part number Figure 1 against Table 1. If listed please perform the following: 1. Replace the compressor, drier, and expansion valve using the applic…
    • LI46.35-P-067339 Aug 28, 2026 · Service Bulletin/Repair Instructions
      Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. OR Rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). Complaint does not imp…
    • LI46.00-P-079786 Aug 28, 2026 · Service Bulletin/Repair Instructions
      Complaint Noise from front end thought to be from steering gear. Cause During diagnostics of a front end noise, workshop is under the impression the noise is coming from the steering gear. Remedy If the root cause of the noise cannot be found and is seeming…
    • CL - Tank Leak Detection Aug 15, 2026 · Warranty Program/Extension
      Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty coverage for the Diagnostic Module for Tank Leakage …
    • LI54.71-P-079104 Aug 22, 2026 · Service Bulletin/Repair Instructions
      Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("‑ ‑"). • Flashing when current vehicle speed is under speed limit…
    • LI72.20-P-075746 Aug 24, 2026 · Service Bulletin/Repair Instructions
      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so…
    • LI01.20-P-080884 Aug 12, 2026 · Service Bulletin/Repair Instructions
      Complaint Oil leaks found on M176 or M177 engines diagnosed to be from the cylinder head cover area Cause Unknown (under investigation) Remedy If oil leaks are found at left or right cylinder head cover area please collect the following information and open…
    • LI54.65-P-080132 Aug 12, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics. Cause Various root causes Remedy See attached di…
    • LI82.62-P-078631 Aug 6, 2026 · Service Bulletin/Repair Instructions
      Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis wor…
    • LI27.00-P-075630 Aug 5, 2026 · Service Bulletin/Repair Instructions
      Complaint This document is intended as a pre-case diagnostic reference for transmission related concerns. It will also ensure that if a case is necessary, all supporting documentation is available. This should not be used on its own as justification for cre…
    • LI07.10-P-080384 Aug 7, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer reports Check Engine Light with possible loss of power concern. The Following DTC's are present • P210185 - The throttle valve actuator has a malfunction. There is a signal above the permissible limit value. • P213500 - The values from th…
    • LI27.00-P-080840 Aug 4, 2026 · Service Bulletin/Repair Instructions
      Complaint Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF 236.17 due to a global supply constraint. 236.17 ATF 1L and 5L (PNs: A002989060312 and A002989060313) bottles are out of stock or in limited s…
    • EW - DMTL Jul 31, 2026 · Warranty Program/Extension
      This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below. In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of…
    • LI20.10-P-072886 Jul 24, 2026 · Service Bulletin/Repair Instructions
      Complaint Check Engine Light ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active and/or stored in the ME (N3/10). There are no drivability concerns related to this complaint. Cause Root cause varies Remedy Prior to perfor…
    • LI54.21-P-080326 Jul 24, 2026 · Service Bulletin/Repair Instructions
      Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivabili…
    • LI46.00-P-079786 Jul 22, 2026 · Service Bulletin/Repair Instructions
      Complaint Noise from front end attributable to steering gear. Cause During diagnostics of a front end noise, workshop is under the impression the noise is coming from the steering gear. Remedy Workshop diagnostics point to the steering gear as the root caus…
    • LI46.10-P-078012 Jul 17, 2026 · Service Bulletin/Repair Instructions
      Complaint Hand detection system – malfunction / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane Keeping Assist not available" "Active steering assist not available" Cause Possible causes:…
    • LI54.71-P-079104 Jul 9, 2026 · Service Bulletin/Repair Instructions
      Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("- -"). • Flashing when current vehicle speed is under speed limit…
    • LI35.30-P-058566 Jul 14, 2026 · Service Bulletin/Repair Instructions
      Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by exp…
    • LI35.25-P-077385 Jul 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Throbbing/humming sound around 60mph. Howling in overdrive mode around 5th gear. Models 167.1/3 and 167.9 as of 03/2022 (except 167.987) occurs between 40-50mph Model 167.987 as of 03/2022 occurs between 55-65mph Cause Unfavorable overlapping of v…
    • PSL-NCU Return Parts 7/3 Jul 3, 2026 · Other
      Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, July 23rd, 2026. After July …
    • LI82.60-P-080383 Jul 8, 2026 · Service Bulletin/Repair Instructions
      Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head U…
    • LI32.34-P-080645 Jun 12, 2026 · Service Bulletin/Repair Instructions
      Complaint Rattle or clunking noise from underneath the vehicle when driving over uneven/bumpy surfaces. Cause Internal tolerances of the electric rollbar. Remedy 1. Confirm front or rear roll bar. 2. Remove the affected sway bar links and carefully drive ve…
    • LI00.20-P-080703 Jun 12, 2026 · Service Bulletin/Repair Instructions
      Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The root cause is currently being investigated. Remedy To determine the cause, the…
    • LI00.20-P-077615 Jun 12, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible because "Perform vehicle handover" is displayed. This cannot be carried out. 3. The…
    • LI27.00-P-080462 Jun 4, 2026 · Service Bulletin/Repair Instructions
      Complaint Harsh upshifts, downshifts, or jolting in lower gears when accelerating. Cause Incorrectly installed (rotated) rotational speed sensors on the EHS (VGS Control Unit) can cause abnormalities in signals. As a result, poor adaptation values are store…
    • LI82.85-P-080507 May 26, 2026 · Service Bulletin/Repair Instructions
      Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N1…
    • LI00.20-P-077615 May 29, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B cannot be carried out. 2. Service confirmation is not possible because "Perform vehicle handover" is displayed. This cannot be carried out. 3. The…
    • PSL-NCU Return Parts 5/29 May 30, 2026 · Other
      Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 18, 2026. After June 18…
    • PSL-NCU Return Parts 5/22 May 22, 2026 · Other
      Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 11, 2026. After June 11…
    • LI46.15-P-070510 May 22, 2026 · Service Bulletin/Repair Instructions
      Complaint Noises from the area of the steering column. - Creaking - Squeaking - Chattering - Humming - Grinding Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible n…
    • LI27.00-P-080462 May 19, 2026 · Service Bulletin/Repair Instructions
      Complaint Harsh upshifts, downshifts, or jolting in lower gears when accelerating. Cause Incorrectly installed (rotated) rotational speed sensors on the EHS (VGS Control Unit) can cause abnormalities in signals. As a result, poor adaptation values are store…
    • LI07.10-P-080384 May 18, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer reports Check Engine Light with possible loss of power concern. The Following DTC's are present • P210185 - The throttle valve actuator has a malfunction. There is a signal above the permissible limit value. • P213500 - The values from th…
    • PSL-NCU Return Parts 5/15 May 15, 2026 · Other
      The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 4, 2026. After June 4th, returns of these parts will no…
    • LI82.10-P-080467 May 13, 2026 · Service Bulletin/Repair Instructions
      Complaint Despite the IC message shown in these complaints, the primary low-beam function is not restricted. Complaint No. 1: Sporadic "Headlamp Inoperative" message in the instrument cluster (IC), fault code in control unit N10/6 FSAM: • U118A02 communicat…
    • LI54.65-P-080132 May 12, 2026 · Service Bulletin/Repair Instructions
      Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
    • LI33.20-P-078406 May 12, 2026 · Service Bulletin/Repair Instructions
      Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file attached for comp…
    • LI46.15-P-070510 May 8, 2026 · Service Bulletin/Repair Instructions
      Cause At present, there are no known noise problems with the steering column. Remedy Check surrounding area of the steering column for possible noises. • Instrument panel support • Steering column switch module If noise only occurs when adjusting the steeri…
    • PSL-NCU Return Parts 5/08 May 8, 2026 · Other
      Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, May 28, 2026. After May 28th…
    • LI54.30-P-080421 May 4, 2026 · Service Bulletin/Repair Instructions
      Complaint Head-up display flickering in BR167. Cause Software A 40/12 - Head-up display and N133/1 - Instrument cluster (IC). Remedy Please do not replace any parts The following steps need to be performed in the order shown below: 1. Xentry > Special funct…
    • LI07.10-P-080384 Apr 28, 2026 · Service Bulletin/Repair Instructions
      Complaint Customer reports Check Engine Light with possible loss of power concern. The Following DTC's are present • P210185 - The throttle valve actuator has a malfunction. There is a signal above the permissible limit value. • P213500 - The values from th…
    • LI20.10-P-072886 Apr 21, 2026 · Service Bulletin/Repair Instructions
      Complaint CEL ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active and stored in the ME (N3/10). There are no drivability concerns related to the complaint. Cause Root cause varies Remedy Prior to performing any repairs fo…
    • LI82.10-P-078301 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm…
    • LI00.01-P-078887 Apr 24, 2026 · Service Bulletin/Repair Instructions
      Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q…
    • LI54.30-P-080421 Apr 17, 2026 · Service Bulletin/Repair Instructions
      Complaint Head-up display flickers Cause Software A 40/12 - Head-up display and N133/1 - Instrument cluster (IC). Remedy Please do not replace any parts. Step1: Please add SA code 2O8 to the vehicle. Step2: Update the HUD177 to the latest SW Step3: Update t…
    • LI88.70-P-079818 Apr 21, 2026 · Service Bulletin/Repair Instructions
      Complaint There may be a cosmetic fault in the projection of the logo projector of the outside mirror (left/right). Cause Delamination of film on carrier plate. Remedy Additional replacement part numbers have been approved for the affected model series V/C/…
    • LI27.00-P-080462 Apr 18, 2026 · Service Bulletin/Repair Instructions
      Complaint Harsh upshifts, downshifts, or jolting in lower gears when accelerating. Cause Incorrectly installed (rotated) rotational speed sensors on the EHS (VGS Control Unit) can cause abnormalities in signals. As a result, poor adaptation values are store…
    • LI33.20-P-078406 Apr 17, 2026 · Service Bulletin/Repair Instructions
      Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file attached for comp…
    • LI27.00-P-080462 Apr 14, 2026 · Service Bulletin/Repair Instructions
      Complaint Harsh upshifts, downshifts, or jolting in lower gears when accelerating. Cause Incorrectly installed (rotated) rotational speed sensors on the EHS (VGS Control Unit) can cause abnormalities in signals. As a result, poor adaptation values are store…
    • LI54.30-P-080421 Apr 10, 2026 · Service Bulletin/Repair Instructions
      Complaint Head-up display flickers Cause Software A 40/12 - Head-up display and N133/1 - Instrument cluster (IC). Remedy Please do not replace any parts. Step1: Please add SA code 2O8 to the vehicle. Step2: Update the HUD177 to the latest SW Step3: Update t…
    • LI72.20-P-075746 Apr 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so…
    • LI54.71-P-079104 Apr 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("- -"). • Flashing when current vehicle speed is under speed limit…
    • LI82.30-P-078932 Apr 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Approx. A 5–10 cm wide unwiped strip remains in the area of the wiper blade attachment during the downward movement of the wiper on the driver's side or front passenger side (see Figure 1). Cause During replacement of worn wiper blades, the wrong …
    • LI82.60-P-080383 Apr 2, 2026 · Service Bulletin/Repair Instructions
      Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head U…
    Source: NHTSA manufacturer communications files.
    About service bulletins