AutoStatsIQ
Data through Oct 2026
Model year

2021 Mercedes-Benz AMG G63

SUV, gasoline, built in Austria. Owner complaints on file from Jun 3, 2022 to Dec 1, 2024.

Recalls (8)Complaints (2)Investigations (0)Bulletins (151)
Recall campaigns covering this model year8444k vehicles or units across those campaigns
Owner complaints2Below the median 2021 suv
Severity index0.02021 suvs average 6.1
First 24 months1Complaints in its first two years
Complaints over time

Complaints about the 2021 Mercedes-Benz AMG G63 peaked in 2022, with 1 filed

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

00.250.50.751202212023202420252026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

50% of complaints about the 2021 Mercedes-Benz AMG G63 name electrical system

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

Electrical system
1
Engine and cooling
1
Driver assistance
1
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

8 recall campaigns cover the 2021 Mercedes-Benz AMG G63

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-Benz AMG G63
CampaignFiledSubjectComponentVehiclesRemedy
24V-659Sep 9, 2024Components within the right-side rear door latch may prevent the rear doors from latching or opening properlyLatches and locks134Part replacement
23V-445Jun 26, 2023Fuel pump may shutdown, which can result in a loss of drive powerFuel system143,551Part replacement
23V-097Feb 17, 2023Front axle wiring harness may chafe against an oil cooler and become damaged, which can cause a loss of anti-lock brakes (ABS) and electronic…Electrical system26,116Part 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-527Jul 12, 2021Side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crashAirbags542Part replacement
21V-483Jun 25, 2021Rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properlySeat belts4,917Part replacement
21V-353May 14, 2021Components within the door latch may prevent the rear doors from latching or opening properlyLatches and locks17,800Part replacement
21V-230Apr 1, 2021Faulty electrical contact within the seat position switch may prevent the driver and passenger air bags and seat belt force limiters from properly…Airbags8,634Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Mercedes-Benz AMG G63

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.

2 complaints on file, page 1 of 1.

  1. Filed Dec 1, 2024Failure Dec 1, 2024Norco, CAElectrical system, Engine, Unknown or other

    Kept going in for repairs for the same concerns - nothing was found —- now its a recall on the 2022 model for the same issue that my 2021 model has —- Malfunction in the front/ rear differential lock system malfunction.

    NHTSA complaint 11628117
  2. Filed Jun 3, 2022Failure Jun 2, 2022Laguna Beach, CAAssist

    The lane keeping assistance is WAY to sensitive. Several times at just the slightest move towards the shoulder the car will brake and swerve. Its very alarming and needs to be recalibrated.

    NHTSA complaint 11467409
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

151 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.

  • LI42.10-P-063502 Sep 1, 2026 · Service Bulletin/Repair Instructions
    Complaint Noises/ squealing from the service brake in various driving situations and ambient conditions. Cause Frictional vibrations Remedy The intent of this document is to reduce noise from high performance AMG brakes. AMG brakes are designed for performa…
  • LI54.70-P-080191 Aug 26, 2026 · Service Bulletin/Repair Instructions
    Complaint Consistently reproducible erroneous parktronic warnings from front with every key cycle. Cause The parking sensors are detecting the front brush guard. Remedy Complaint must be consistently reproducible and can occur multiple times a key cycle wit…
  • 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…
  • LI82.85-P-079087 Aug 6, 2026 · Service Bulletin/Repair Instructions
    Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP Radio 4.Send2Car 5.Speech Detection Service 6.Navigation 7.iHeartRadio 8.Tra…
  • 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…
  • Emissions - 2024100016 Jul 24, 2026 · Emissions
    Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2021 C-Class, G-Class, GLC, GT, S-Class (205, 463, 253, 190 & 222 platforms) vehicles, the engine control unit software does not correspond to current produ…
  • 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…
  • LI54.70-P-080191 Jul 21, 2026 · Service Bulletin/Repair Instructions
    Complaint Consistently reproducible erroneous parktronic warnings from front with every key cycle. Cause The parking sensors are detecting the front brush guard. Remedy Complaint must be consistently reproducible and can occur multiple times a key cycle wit…
  • LI54.70-P-080191 Jul 14, 2026 · Service Bulletin/Repair Instructions
    Complaint Consistently reproducible erroneous parktronic warnings from front with every key cycle. Cause The parking sensors are detecting the front brush guard. Remedy Complaint must be consistently reproducible and can occur multiple times a key cycle wit…
  • PSL-NCU Return Parts 7/17 Jul 17, 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, August 6th, 2026. After Augu…
  • 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…
  • LI54.70-P-080191 Jun 17, 2026 · Service Bulletin/Repair Instructions
    Complaint Consistently reproducible erroneous parktronic warnings from front with every key cycle. Cause The parking sensors are detecting the front brush guard. Remedy Complaint must be consistently reproducible and can occur multiple times a key cycle wit…
  • 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…
  • 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…
  • 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…
  • LI27.60-P-080449 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…
  • 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…
  • LI42.10-P-078779 May 15, 2026 · Service Bulletin/Repair Instructions
    Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. Vehicle production date prior to December 2025. Cause Although the cause of the vibration is most likely due to excessive lateral runout on the rotor or hub/wheel bearing, the s…
  • 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…
  • LI88.80-P-080031 May 7, 2026 · Service Bulletin/Repair Instructions
    Complaint Water ingress in the load compartment between the C and D pillars. Cause In the area of the rounding at the D-pillar, a leakage may occur between the rear side wall and the roof paneling. Remedy Troubleshooting: Locate the area of the leak by perf…
  • LI27.00-P-080462 Apr 29, 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 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…
  • LI82.85-P-080507 Apr 20, 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…
  • 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…
  • 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…
  • LI88.70-P-080030 Apr 8, 2026 · Service Bulletin/Repair Instructions
    Complaint The outside mirrors do not fold in when locking with the radio remote control, even though the function is activated in the vehicle settings. Folding and unfolding still functions via pushbutton switch on the door. Cause The initialization data fo…
  • LI00.01-P-078887 Mar 25, 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…
  • LI54.65-P-080132 Mar 9, 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…
  • LI82.10-P-078301 Mar 9, 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 …
  • LI54.10-P-073164 Mar 4, 2026 · Service Bulletin/Repair Instructions
    Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has dropped to 45% or less. Remedy This warning message appears as soon as the state …
  • LI54.65-P-080132 Feb 28, 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…
  • NCU - 2024100016 Feb 28, 2026 · Emissions
    Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2021 G-Class, S-Class and GT (463, 222 & 190 platforms) vehicles, the engine control unit software does not correspond to current production specifications.…
  • LI77.20-P-073486 Feb 24, 2026 · Service Bulletin/Repair Instructions
    Complaint Water ingress at the sliding sunroof can lead to moisture in the interior. In some cases, the leakage may also be visible to the customer in the area of the overhead control panel. Cause The following causes can lead to water ingress in the area o…
  • LI98.00-P-078306 Feb 24, 2026 · Service Bulletin/Repair Instructions
    Complaint After removing the transport protection from new vehicles, localized cloudy spots or streaks may appear on the paint surface. These marks are most commonly seen on the hood, fenders, and bumpers and are more noticeable on dark paint colors. Cause …
  • LI27.19-P-080219 Feb 13, 2026 · Service Bulletin/Repair Instructions
    Complaint Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure sensor 'A' has a short circuit to positive stored in VGS control unit. Cause Electrical failure of oil pressure sensor integrated into VGS Cont…
  • LI54.65-P-080132 Feb 13, 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…
  • LI20.10-P-072886 Feb 11, 2026 · Service Bulletin/Repair Instructions
    Complaint CEL on with Code P012800 "The Coolant Temperature is Below the Specified Temperature" Cause Under investigation. This is not an issue that affects drivability or performance and is not a safety concern. The vehicle remains safe to operate with thi…
  • LI27.10-P-075869 Feb 3, 2026 · Service Bulletin/Repair Instructions
    Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, vibrations or jolting sensation may come from the drivetrain. It may be mistak…
  • LI54.65-P-080132 Jan 30, 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…
  • LI00.01-P-078887 Jan 21, 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…
  • LI42.10-P-078779 Jan 20, 2026 · Service Bulletin/Repair Instructions
    Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. Vehicle production date prior to December 2025. Cause Although the cause of the vibration is most likely due to excessive lateral runout on the rotor or hub/wheel bearing, the s…
  • LI83.30-P-079850 Jan 16, 2026 · Service Bulletin/Repair Instructions
    Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy *Note - This Li does not apply if there are other Li's that apply to your concern OR you have a fault and/or guided te…
  • LI83.30-P-079850 Jan 15, 2026 · Service Bulletin/Repair Instructions
    Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to …
  • LI05.20-P-080192 Jan 15, 2026 · Service Bulletin/Repair Instructions
    Complaint Customer states check engine light on in the dash. Vehicle has one or more DTC's Present P164B00, P164B09, P2B4400, P005A07, P005C07, P005A09, P005C09, P003C07, P2B5007, P003C09, P2B5009, P34C200, P34C109, P34C800, P34BE00, P34BD09 Cause Software …
  • LI83.30-P-079850 Jan 7, 2026 · Service Bulletin/Repair Instructions
    Complaint Customer states the AC either does not cool/has poor performance or heat is insufficient. Cause Many possible root causes Remedy AC Diagnosis (General) Initial Steps Verify Customer Concern • Confirm the issue reported by the customer. Compare to …
  • LI20.10-P-072886 Jan 6, 2026 · Service Bulletin/Repair Instructions
    Complaint CEL on with Code P012800 "The Coolant Temperature is Below the Specified Temperature" Cause Under investigation. This is not an issue that affects drivability or performance and is not a safety concern. The vehicle remains safe to operate with thi…
  • LI06.10-P-076023 Jan 5, 2026 · Service Bulletin/Repair Instructions
    Complaint Customer reports illuminated CEL. Additionally no start condition, lack of power, failure to recover from ECO stop, and/or poor acceleration. Cause • Under investigation Remedy Process FSCU and ME codes via guided test. Perform fuel pressure test …
  • LI27.35-P-080160 Dec 20, 2025 · Service Bulletin/Repair Instructions
    Complaint (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS) when the vehicle is stationary and ECO Start/Stop is active (combustion engine is off). The noise is more noticeable outside the vehicle and i…
  • LI54.65-P-080132 Dec 11, 2025 · 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…
  • LI54.71-P-078112 Dec 11, 2025 · Service Bulletin/Repair Instructions
    Complaint The concern is characterized by BOTH of the following. 1. "Active Distance Assist currently unavailable" and "Active Brake Assist functions currently limited" are shown on the instrument cluster during startup or while driving AND 2. Stored DTC in…
Source: NHTSA manufacturer communications files.
About service bulletins