Electronic Stability Control Software Error – 2022 Mercedes-Benz EQS & Maybach

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May 19, 2023 NHTSA CAMPAIGN NUMBER: 23V360000

Electronic Stability Control Software Error

Disabled vehicle dynamics control systems, including ABS, ASR, ESP, and EBD, and a vehicle speed display failure can increase the risk of a crash.

 

NHTSA Campaign Number: 23V360

Manufacturer Mercedes-Benz USA, LLC

Components ELECTRONIC STABILITY CONTROL

Potential Number of Units Affected 7,558

 

Summary

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 EQS 450, EQS 580, 2023 Maybach S 580, Maybach S 680, and S 580e vehicles. The electronic stability program (ESP) software may malfunction, which can result in disabled vehicle dynamics control systems, including the anti-lock brake system, acceleration slip regulation, electronic stability program, and electronic brake force distribution (ABS, ASR, ESP, and EBD), as well as a vehicle speed display failure.

 

Remedy

Dealers will update the ESP control unit software, free of charge. Owner notification letters were mailed June 23, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA’s number for this recall is 2023060004.

 

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 9, 2023

2023060004

Update ESP Monitoring Software

This is to notify you of the Recall Campaign Launch to update the ESP monitoring software on 7,558  Model Year (“MY”) 2022-2023 EQS and SClass (297 and 223 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 9, 2023

 

Issue

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain EQS and S-Class (297 and 223 platform) vehicles, the Electronic Stability Program (“ESP”) monitoring software might not meet current specifications. Under certain conditions, the ESP monitoring software could erroneously determine a fault condition. In that event, the ESP fault response would limit the functionality of the vehicle’s dynamic control systems (ABS, ASR, ESP, and EBD) and the speedometer could indicate a speed of 0 mph, regardless of the actual vehicle speed. This might increase the risk of a crash.

 

What We’re Doing

MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will update the ESP control unit software on the potentially 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.

 


Update ESP Monitoring 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 system battery (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.

2. Update Electronic Stability Program (ESP®) control unit software.

To do this, select menu item “Quick test view – Electronic Stability Program (ESP®) – Adaptations – Control unit update – Update of control unit software”.

Then follow the user guidance in XENTRY Diagnosis.

3.  Disconnect XENTRY Diagnosis.

 


Mercedes-Benz Part 573 Submission
Original Submission to Portal May 19, 2023
Chronology-Only section

Chronology of Defect/Noncompliance Determination Supplement for ODI 23-00855-29445-10

In January 2022, MBAG investigated an individual field report claiming that a vehicle lost functionality of its dynamic control systems (including its anti-lock brake system, acceleration slip regulation, and electronic brake force distribution) and speedometer during operation. MBAG requested parts from the affected vehicle for further analysis.

MBAG began its analysis of the affected vehicle by focusing on the ESP pump motor. At that time, MBAG hypothesized that this component may be the source of the reported issues based on diagnostic data from the vehicle and review of the conditions that trigger this diagnostic code. That investigation did not reveal any defect in the vehicle’s ESP pump motor and did not identify a failure mechanism.

MBAG conducted further investigations between February and April 2022 using simulations of field conditions that it suspected could trigger the reported failure. Based on these tests, MBAG determined that certain driving conditions could interfere with routines executed by the ESP monitoring software at the beginning of each driving cycle. It was concluded that this interference could lead to an erroneous detection of a fault condition of the ESP pump motor power supply.

Beginning in July 2022, to address this potential error, MBAG developed and tested an ESP software update.

At the end of 2022, MBAG conducted a general internal review of factors affecting the function of the ESP system as well as how such issues are classified and managed. Based on this review, in January 2023, MBAG commenced analyses to determine if there were potential safety consequences of an erroneous detection of a fault condition of the ESP pump motor power supply.

As part of this review, during March and April 2023, MBAG and its supplier, conducted driving tests to determine the potential impacts of the subject fault condition on vehicle performance (especially ESP and other dependent systems). In parallel, MBAG analyzed production records pertaining to this ESP control unit software version to identify the population of potentially affected vehicles.

On May 12, 2023, MBAG determined that a potential safety risk could not be ruled out and decided to conduct a recall.

MBAG is currently aware of 96 field reports (including warranty claims, field reports, and service reports) in the US from March 23, 2022 to May 12, 2023 that are potentially related to this defect. MBAG is not aware of any reported crashes, injuries, or property damage in connection with this issue.

 


5 Affected Products

Vehicles

MAKE MODEL YEAR
MERCEDES-BENZ EQS450 2022
MERCEDES-BENZ EQS580 2022
MERCEDES-BENZ S580E 2023
MERCEDES-MAYBACH S580 2023
MERCEDES-MAYBACH S680 2023

 


12 Associated Documents

Recall Acknowledgement

RCAK-23V360-6372.pdf 645.441KB

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Defect Notice 573 Report

RCLRPT-23V360-1297.PDF 216.856KB

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Chronology Report

RMISC-23V360-9183.pdf 136.054KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V360-9662.pdf 140.983KB

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Remedy Instructions and TSB

RCRIT-23V360-1754.pdf 309.732KB

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Manufacturer Notices(to Dealers,etc)

RCMN-23V360-7831.pdf 643.691KB

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Recall 573 Report – June 12, 2023

RCLRPT-23V360-6160.PDF 216.857KB

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Recall 573 Report – June 23, 2023

RCLRPT-23V360-5391.PDF 216.858KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-23V360-8363.pdf 283.529KB

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Recall 573 Report – June 23, 2023

RCLRPT-23V360-2674.PDF 216.855KB

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Recall Quarterly Report #1, 2023-2

RCLQRT-23V360-5344.PDF 211.141KB

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Remedy Instructions and TSB

RCRIT-23V360-9481.pdf 308.565KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V360&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.

 

Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light CarDAQ-Plus - PassThru J2534 Vehicle Reflash Hardware
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light CarDAQ-M Modular PassThru J2534 Vehicle Reflash Hardware
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light CarDAQ-Plus 3
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light Bosch Automotive Tools MTECH2 Mastertech II J2534
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light Autel (AULMF2534) MaxiFlash Pro
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light Drew Technologies (DRWCDPLUSKIT) CarDAQ-Plus J2534 Flash Reprogramming Kit
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light RAP2 OEM J2534 Remote Reprogramming Tool
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light Autel MaxiFlash Elite VCI J2534 Pass-Thru ECU Programming Tool
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light BOSCH Automotive Tools MTECH2 Mastertech II J2534 VCI
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
Electronic Stability Control Software Error - 2022 Mercedes-Benz EQS & Maybach | small light GODIAG J2534

 

www.startekinfo.com

 


 

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Last update on 2024-05-17 / Affiliate links / Images from Amazon Product Advertising API

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