Replace Front Stationary Sunroof Panel – 2021 Mercedes-Benz S-Class

February 17, 2023 NHTSA CAMPAIGN NUMBER: 23V098000

Glass Panel May Detach

A detached glass panel may become a road hazard, increasing the risk of a crash.

 

NHTSA Campaign Number: 23V098

Manufacturer Mercedes-Benz USA, LLC

Components VISIBILITY

Potential Number of Units Affected 1

 

Summary

Mercedes-Benz USA, LLC (MBUSA) is recalling one 2021 S 580 4Matic vehicle. The fixed front glass panel between the windshield and the panoramic sunroof may not be properly secured and may detach.

 

Remedy

Dealers will replace the front fixed glass panel, free of charge. The owner notification letter is expected to be mailed April 18, 2023. The owner may contact MBUSA customer service at 1-800-367-6372.

 

Notes

The owner 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

 


2023020008

Replace Front Stationary Roof Panel

This is to notify you of a Recall Campaign Launch to replace the front stationary roof panel on 1 Model Year (“MY”) 2021 S-Class (223 platform) vehicle. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. The affected VIN will be flagged in VMI as “OPEN” on March 3, 2023.

 

Issue

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on 1 Model Year (“MY”) 2021 S-Class (223 platform) vehicle, the fixed glass panel located between the windshield and the panoramic sunroof might not have been bonded according to specifications. The adhesion of the front fixed panel to the vehicle body might deteriorate gradually over time and could result in the front fixed panel partially or fully detaching from the vehicle, increasing the risk of a crash and/or injury for other road users. When the issue occurs, the customer might observe a partially detached front panel or wind noises in the area of the sunroof while driving.

 

What We’re Doing

MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will replace the front fixed panel on the affected vehicle.

 

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 Star TekInfo. 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.

 


Replace front fixed element of panoramic sliding sunroof

Model 223

 

Work Procedure

  1. Replace front fixed element of panoramic sliding sunroof. For basic data on model 223 see AR77.21-P-0803S.

 

Primary Parts Information 

Qty. Part Name Part Number
As required (1)* CAP, SLIDING-TILTING ROOF. SHD, front fixed element (model 223) A 223 780 22 00
As required (1)* Adhesive, repair adhesive kit for front fixed element A 009 989 85 71 09
As required (1)* CLEANER, also order adhesive cleaner A 005 989 19 71
As required (1)* ACTIVATOR, also order adhesive activator A 009 989 01 71 14
As required (1)* PRIMER, also order adhesive primer A 094 989 33 00

 


Chronology :

At the end of 2022, MBAG found during a standard review that a small number of vehicles were not processed during a plant action in 2021. This plant action was initiated because the applied adhesive to bond the front sunroof panel had been revoked for this application in the plant reworking process.

In January 2023, MBAG conducted further internal discussions as to whether the bonding would withstand the vehicle life time. Further analyses were carried out to identify all potentially affected vehicles in the field. On February 10, 2023, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall.

MBAG can confirm there are no warranty claims, field or service reports, and other information (such as the numbers of deaths and/or injuries) related to this defect in the USA.

 


1 Affected Product

Vehicle

MAKE MODEL YEAR
MERCEDES-BENZ S580 2021

 


6 Associated Documents

Defect Notice 573 Report

RCLRPT-23V098-6464.PDF 214.236KB

RCLRPT-23V098-6464

 


Recall Acknowledgement

RCAK-23V098-5954.pdf 645.168KB

RCAK-23V098-5954

 


Recall 573 Report – February 27, 2023

RCLRPT-23V098-2041.PDF 214.237KB

RCLRPT-23V098-2041

 


Manufacturer Notices(to Dealers,etc)

RCMN-23V098-1368.pdf 288.339KB

RCMN-23V098-1368

 


Manufacturer Notices(to Dealers,etc)

RCMN-23V098-0615.pdf 557.33KB

RCMN-23V098-0615

 


Remedy Instructions and TSB

RCRIT-23V098-5821.pdf 301.583KB

RCRIT-23V098-5821

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V098&docType=RCL

 


 

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