NCU-2023120013

News Channel Update |
Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, FROM: Gregory Gunther, Senior Manager, Vehicle
Sales Managers, Service Managers, Parts Managers
Compliance and Analysis, Engineering Services
RE: Service Campaign Launch Notification
MBUX System Software Update
DATE: January 5, 2024
MY21 S-Class (223 platform)
IMPORTANT SERVICE CAMPAIGN LAUNCH
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FORMERCEDES (1-800-367-6372).
Sincerely,
Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
Mercedes-Benz USA, LLC
One Mercedes-Benz Drive
A Mercedes-Benz Group AG Company
Sandy Springs, GA 30328
770.705.0600
News Channel Update |
Vehicle Compliance & Analysis
Service Campaign Launch Notification
Campaign No. :
Campaign Desc. :
2023120013
23P5499215
January 5, 2024
MBUX System Software Update
This is to notify you of the Service Campaign Launch to Update the MBUX System Software in 6,704 Model Year (“MY”) 2021 SClass (223 platform) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on January 5, 2024.
Background
Issue
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 includes functional improvements for route guidance, Apple Carplay, and
Android Auto.
What We’re Doing
MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will
update the MBUX System Software.
Parts
The remedy is available and can be performed as necessary.
Vehicles Affected
2021
S-Class
Vehicle Model Year(s)
Vehicle Model
Vehicle Populations
Total Campaign Population
6,704
Next Steps/Notes
Customer Notification Timeline
Customers will receive an in-vehicle notification regarding this campaign.
AOMS/SOMS
AOMs – This campaign may generate questions from your dealers.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer
satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Mercedes-Benz USA, LLC
One Mercedes-Benz Drive
A Mercedes-Benz Group AG Company
Sandy Springs, GA 30328
770.705.0600
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Campaign No. 2023120013, January 2024
TO:
ALL MERCEDES-BENZ CENTERS
SUBJECT:
Model S-Class (223 platform)
Model Year 2021
Update software of (MBUX multimedia system) head unit (A26/17) control unit
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 includes functional
improvements for route guidance, Apple Carplay, and Android Auto.
Prior to performing this Campaign:

VMI must be checked before performing campaigns to verify that the campaign is required on

Please review the entire Campaign bulletin and follow the repair procedure exactly as
a specific vehicle. Always check for any other open campaigns, and perform accordingly.
described.
Approximately 6704 vehicles are affected.
Order No. P-SC-2023120013
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Update software of (MBUX multimedia system) head unit (A26/17) control unit
 Always use the latest XENTRY Diagnosis software release with all available add-ons.
 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 software of (MBUX multimedia system) head unit (A26/17) control unit.
To do this, select menu item "Quick test view → A26/17 – MBUX multimedia system (head unit) → Adaptations
→ Control unit update → Update of control unit software".
Then follow the user guidance in XENTRY Diagnosis.
3. Disconnect XENTRY Diagnosis.
__________________________________________________________________________________________________
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information
Damage
Operation
Code
Number
Description
Update software of (MBUX multimedia system) head unit (A26/17) control unit
(with XENTRY Diagnosis connected)
Connect/disconnect diagnostic system
54 992 15
02-4762*
(XENTRY Diagnosis)
Connect/disconnect starter battery charger
02-5058*
(with XENTRY Diagnosis connected)
* Invoice operation item only once for each workshop order.
02-9334
Labor Time
(hrs.)
0.1
0.1
0.1
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.
P-SC-2023120013