NCU-2023030006

Internal
News Channel Update |
Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, FROM: Gregory Gunther, Department Manager, Vehicle
Sales Managers, Service Managers, Parts Managers
Compliance and Analysis, Engineering Services
RE: Service Campaign Launch Notification
Update Rear Control Unit Software
DATE: April 6, 2023
MY22 SL (232 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
Department 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
Internal
News Channel Update |
Vehicle Compliance & Analysis
Service Campaign Launch Notification
Campaign No. :
Campaign Desc. :
2023030006
23P7793002
April 6, 2023
Update Rear Control Unit Software
This is to notify you of the Service Campaign Launch to update the rear control unit software in 2,073 Model Year (“MY”) 2022 SL
(232 platform) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on April 6, 2023.
Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined
that on certain MY 2022 SL (232 platform) vehicles, the software of the rear control
unit does not meet current production specifications. As a result, the soft-top locking
mechanism at the locking hook may not allow the soft top to fully close.
Issue
What We’re Doing
MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will
update the rear control unit software.
Parts
The remedy is available and can be performed as necessary.
Vehicle Model Year(s)
2022
SL
Vehicles Affected
Vehicle Model
Vehicle Populations
Total Campaign Population
2,073
Next Steps/Notes
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
Campaign No. 2023030006, April 2023
TO:
ALL MERCEDES-BENZ CENTERS
SUBJECT:
Model SL (232 platform)
Model Year 2022
Update Rear Control Unit Software
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY
2022 SL (232 platform) vehicles, the software of the rear control unit does not meet current production
specifications. As a result, the soft-top locking mechanism at the locking hook may not allow the soft top to
fully close. An authorized Mercedes-Benz dealer will update the rear control unit software.
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 2,073 vehicles are affected.
Order No. P-SC-2023030006
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data
Control, and MBUSA-SLP S424HH001, Control of Quality Records.
2
Update rear control unit software (SG-FOND)
 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 control unit software N22/6 - rear control unit (SG-FOND)
To do this, select menu item "Quick test view – N22/6 - rear control unit (SG-FOND)
- Adaptations – Control unit update – Updating 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
Labor Time
(hrs.)
Update control unit software N22/6 - rear control unit (SG-FOND)
0.1
(with XENTRY Diagnosis connected)
Connect/disconnect diagnostic system
77 930 02
02-4762*
0.1
(XENTRY Diagnosis)
Connect/disconnect starter battery charger
02-5058*
0.1
(with XENTRY Diagnosis connected)
* 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.
02-9334
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-2023030006