Update Electric Drivetrain Software – 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE

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June 5, 2023 NHTSA CAMPAIGN NUMBER: 23V405000

Software Error May Cause Loss of Drive Power

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

 

NHTSA Campaign Number: 23V405

Manufacturer Mercedes-Benz USA, LLC

Components ELECTRICAL SYSTEM

Potential Number of Units Affected 8,281

 

Summary

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 EQS 450, AMG EQS, EQS 580, and 2023 AMG EQE vehicles. A software error in the electric drivetrain may cause a loss of drive power.

 

Remedy

Dealers will update the electric drivetrain software, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed July 19, 2023. A second notice will be sent once the final remedy is available. Some owner notification letters were mailed July 19, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA’s number for this recall is 2023060009.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Mercedes-Benz has a Recall

 


June 30, 2023

2023060009

Update Electric Drivetrain Software

This is to notify you of the Recall Campaign Launch to update the electric drivetrain software on 7,788 Model Year (“MY”) 2022-2023 EQS, EQS SUV, and EQE (297, 296, and 295 platform) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on June 30, 2023.

 

Issue

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain 2022-2023 EQS, EQS SUV, and EQE (297, 296, and 295 platform) vehicles, under specific conditions, the electric drivetrain may be deactivated due to software fault management logic that does not meet current specifications. A loss of propulsion cannot be ruled out, which could increase the risk of a crash. When the issue occurs, multiple warning messages are displayed in the instrument cluster.

 

What We’re Doing

MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will update the electric drivetrain software on the affected vehicles.

 

Parts

The remedy is available and can be performed.

 

Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete the vehicle may be sold or leased.

Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).

Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired.

 

Customer Notification Timeline

The first wave of customer letters were mailed on July 19, 2023.
Customer letters to coincide with this launch will mail approximately August 4, 2023.

 


Update Electric Drivetrain Software

  • Always use the latest XENTRY Diagnosis software release with all available add-ons.
  • Make sure to follow the operation steps exactly as described in XENTRY Diagnosis.
  • Use a charger to ensure sufficient power supply to the vehicle’s on-board electrical battery system (greater than 12.5 V).
  • If XENTRY Diagnosis is already connected to the vehicle, start with Work Procedure step 2.

If two or more software updates or SCN codings are performed during a single workshop  visit, operation items 02-4762 and 02-5058 may be invoiced only on one of the workshop orders.

 

Work Procedure

 

  1. Connect XENTRY Diagnosis.

 

  1. Update power electronics control unit software of rear axle.

To do this, select menu item “Quick test view – N147 – Rear axle power electronics (SG-LE-HA) – Adaptations – Control unit update – Updating of control unit software”.

Then follow the user guidance in XENTRY Diagnosis.

 

  1. Disconnect XENTRY Diagnosis.

 


Chronology :

In October 2022, MBAG launched initial investigations based on an isolated field report indicating a malfunction of the electrical drivetrain possibly referring to a loss of propulsion. Immediately, analyses were started together with the supplier to determine the root cause. These analyses, including related tests, continued until December 2022. It was concluded that the observed failures were resulting from fault management response logic.

MBAG used field data to identify the scenarios in which the malfunction might occur. Detailed analyses on the possible consequences depending on the software version of the electric drivetrain were performed.

Subsequently, further analyses were done to identify potentially affected vehicles. On May 26, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall.

MBAG is currently aware of 2 field reports, including warranty claims, received on October 5, 2022 and October 24, 2022 from the US. No injuries, deaths, or third party damages have been reported.

 


7 Affected Products

Vehicles

MAKE MODEL YEAR
MERCEDES-BENZ AMG EQE 2023
MERCEDES-BENZ AMG EQS 2022-2023
MERCEDES-BENZ EQS450 2022-2023
MERCEDES-BENZ EQS580 2022-2023

 


11 Associated Documents

Recall Acknowledgement

RCAK-23V405-3995.pdf 645.227KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V405-4654.pdf 467.429KB

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Defect Notice 573 Report

RCLRPT-23V405-8182.PDF 216.287KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V405-3076.pdf 451.34KB

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Recall 573 Report – June 28, 2023

RCLRPT-23V405-2388.PDF 216.29KB

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Remedy Instructions and TSB

RCRIT-23V405-1600.pdf 308.056KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V405-9365.pdf 740.288KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-23V405-9050.pdf 277.548KB

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ISSUED Interim Owner Notification Letter(Part 577)

RIONL-23V405-5714.pdf 148.521KB

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Remedy Instructions and TSB

RCRIT-23V405-7617.pdf 320.314KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V405-4573.pdf 762.479KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V405&docType=RCL

 


 

Mercedes-Benz Reprogramming

J2534 Pass-Thru

All information in regard to Mercedes-Benz J2534 compliant software is available free of charge and found under the MB Workshop Resources tab on the home page of www.startekinfo.com

J2534 complaint software for Mercedes-Benz vehicles is available for purchase from Mercedes-Benz USA.

In order to use the J2534 complaint software for Mercedes-Benz vehicles, the purchaser must furnish their own:

  • Windows based PC or laptop*
  • J2534 compliant interface box*1*

*Must be purchased from a third party company and are not available from Mercedes-Benz USA LLC.

*1* suggested listing of J2534 interface boxes is located within the J2534 Pass-Thru User’s Manual which is posted for view without cost under the MB Workshop Resources tab on the home page of www.startekinfo.com

 

Vehicle Coverage

J2534 complaint software for Mercedes-Benz vehicles has coverage for all required functions associated to reprogramming, initialization, and fault clearing of emission control modules (engine and transmission) fitted to vehicles 2004 Model Year and newer. Additionally all access and functionality required in regard the configuration via SCN Coding and/or CVN Coding is covered.

J2534 complaint software for Mercedes-Benz vehicles is delivered via DVD media which is delivered monthly for the license term of one year upon purchase.

  • All control unit software (reprogramming calibrations) is contained within J2534 DVD media.

 

Terms and conditions

J2534 complaint software for Mercedes-Benz vehicles is purchased in 1-year license increments. During that license term the user will receive an initial software package, license key, SCN/CVN Coding information/access as well as monthly updates via DVD media.

  • Additional updates of software after the 1st year can be purchased at additional cost, however are not required for the system to continue functioning.

For pricing and additional information via the internet, please refer to the information at the beginning of this section.

 

Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light CarDAQ-Plus - PassThru J2534 Vehicle Reflash Hardware
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light CarDAQ-M Modular PassThru J2534 Vehicle Reflash Hardware
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light CarDAQ-Plus 3
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light Bosch Automotive Tools MTECH2 Mastertech II J2534
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light Autel (AULMF2534) MaxiFlash Pro
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light Drew Technologies (DRWCDPLUSKIT) CarDAQ-Plus J2534 Flash Reprogramming Kit
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light RAP2 OEM J2534 Remote Reprogramming Tool
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light Autel MaxiFlash Elite VCI J2534 Pass-Thru ECU Programming Tool
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light Autel MaxiFlash VCI Vehicle Communication Interface J2534 PassThru ECU Programming Device Bluetooth Connection Internet Update Support CAN FD, 4 CAN Channels, DoIP, D-PDU Works with PC or Autel MS909
Update Electric Drivetrain Software - 2022-2023 Mercedes-Benz EQS, EQS SUV, EQE | small light GODIAG J2534

 

www.startekinfo.com

 


 

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Last update on 2024-07-16 / Affiliate links / Images from Amazon Product Advertising API

This product presentation was made with AAWP plugin.

 


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