Electronic Ignition System SCN Coding – 2022-2023 Mercedes-Benz SL

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Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
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
TO: Mercedes-Benz Dealer Principals, General Managers,
Sales Managers, Service Managers, Parts Managers
FROM: Gregory Gunther, Senior Manager, Vehicle
Compliance and Analysis, Engineering Services
RE: Service Campaign Launch Notification
Update SCN Coding in EIS On-board Electrical
System
MY22-23 SL (232 platform)
DATE: May 3, 2024
Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company
One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600
News Channel Update | Vehicle Compliance & Analysis
Service Campaign Launch Notification May 3, 2024
Campaign No. : Campaign Desc. : Update SCN Coding in EIS On-board Electrical
2024040004 24P5499328 System
This is to notify you of the Service Campaign Launch to update the SCN coding in the EIS on-board electrical system in 6,055
Model Year (“MY”) 2022-2023 SL (232 platform) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on May 3,
2024.
Background
Issue
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined
that on certain MY 2022-2023 SL (232 platform) vehicles, premature or unwanted
smartkey recognition could slowly discharge the 12V battery.
What We’re Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will
update the SCN coding in the EIS on-board electrical system.
Parts The remedy is available and can be performed as necessary.
Vehicles Affected
Vehicle Model Year(s) 2022-2023
Vehicle Model SL
Vehicle Populations
Total Campaign Population 6,055
Next Steps/Notes
Customer Notification Timeline Customers will receive an in-vehicle notification
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.
2
Campaign No. 2024040004, May 2024
TO: ALL MERCEDES-BENZ CENTERS
SUBJECT: Model SL (232 platform)
Model Year 2022 – 2023
Perform SCN Coding in EIS On-board Electrical System
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain
MY 2022-2023 SL (232 platform) vehicles, premature or unwanted smartkey recognition could
slowly discharge the 12V battery. An authorized Mercedes-Benz dealer will update the SCN coding
in the EIS on-board electrical system.
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 6,055 vehicles are affected.
Order No. P-SC-2024040004
2
P-SC-2024040004
Perform SCN Coding in EIS On-board Electrical System
 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. Perform SCN coding in electronic ignition lock (EZS) control unit.
To do this, select menu item “Quick test view → N73/3 – electronic ignition lock (EZS) → Adaptations → Control
unit update → Update of SCN coding”.
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
Code
Operation
Number
Description
Labor Time
(hrs.)
54 993 28
02-9446
Perform SCN coding in N73/3 – Electronic ignition lock (EZS) control unit
(with XENTRY Diagnosis connected)
0.1
02-4762*
Connect/disconnect diagnostic system
(XENTRY Diagnosis)
0.1
02-5058*
Connect/disconnect starter battery charger
(with XENTRY Diagnosis connected)
0.1
* Invoice operation items only on one of the workshop orders, if two or more software updates or SCN codings are
performed during a single workshop visit.
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.

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