Service Campaign 2023120012 - Update RAMSES Control Unit Software (P-SC-2023120012)

Publication date: 2024-01-05
Reference number: P-SC-2023120012

SERVICE CAMPAIGN 2023120012 - UPDATE RAMSES CONTROL UNIT SOFTWARE

SERVICE CAMPAIGN BULLETIN

Reference Number(s): P-SC-2023120012, Date of Issue: January 05, 2024

MERCEDES-BENZ:

Model S-Class (223 platform) Model Year 2021

SERVICE INFORMATION

IMPORTANT SERVICE CAMPAIGN LAUNCH

Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES (1-800-367-6372).

Sincerely,

Gregory Gunther

Senior Manager, Vehicle Compliance & Analysis

Campaign No. 2023120012, January 2024

TO: ALL MERCEDES-BENZ CENTERS

SUBJECT

Model S-Class (223 platform)

Model Year 2021

Update RAMSES control unit software

Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has released a software update for certain MY 2021 S-Class (223 platform) vehicles that allows for remote software updates on additional control units in the future.

Prior to performing this Campaign:

VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
Please review the entire Campaign bulletin and follow the repair procedure exactly as described.

Approximately 1579 vehicles are affected.

Order No. P-SC-2023120012

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 of 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 one workshop visit, the operation items 02-4762 and 02-5058 may only be invoiced once for each workshop order .

WORK PROCEDURE

Connect XENTRY Diagnosis.
Update RAMSES control unit software.
To do this, select menu item "Quick test view → N112/2 "Telematics services" communication module → Adaptations → Control unit update → Update of control unit software".

Then follow the user guidance in XENTRY Diagnosis.
Disconnect XENTRY Diagnosis.

NOTE: The following allowable labor operation should be used when submitting a warranty claim for this repair:

WARRANTY INFORMATION

Damage Code

Operation Number

Description

Labor Time (hrs.)

54 992 16

02-9334

Update RAMSES control unit software
(with XENTRY Diagnosis connected)

0.1

02-4762 ⁽¹⁾

Connect/disconnect diagnostic system
(XENTRY Diagnosis)

0.1

02-5058 ⁽¹⁾

Connect/disconnect starter battery charger
(with XENTRY Diagnosis connected)

0.1

⁽¹⁾	Invoice operation item only once for each workshop order.

NOTE: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change and updates may not be reflected in this document.