P-SC-2017010001

Campaign No. 2017010001, January 2017
TO:
ALL MERCEDES-BENZ CENTERS
SUBJECT:
Model 204, Model Years 2012 and 2013
Perform SCN Coding in Transmission Control Module
Daimler AG (‘DAG’), the manufacturer of Mercedes-Benz vehicles, has determined that on certain CClass vehicles (model 204 platform) the SCN coding in the transmission control module may not be
properly configured and may result in torque reduction during vehicle operation. An authorized MercedesBenz dealer will check and update the SCN coding in the transmission control module.
Prior to performing this Service Campaign:

Please check VMI to determine if the vehicle is involved in the Campaign and if it has been previously
repaired.

Please review the entire Service Campaign bulletin and follow the repair procedure exactly as
described.
Approximately 3550 vehicles are affected.
Order No. P-SC-2017010001
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
Procedure
Note:

Use DAS/Xentry 12/16 with all associated patches or higher.

Follow the steps exactly as described in DAS/Xentry.

Connect battery charger (battery voltage

Ensure all electrical consumers are switched-off.

In the event of software/SCN update issues, contact Star Diagnosis User Help Desk. Please refer to the
>12.5V).
“pre-call” check list before contacting UHD

Refer to Star Diagnosis System (SDS) Best Practices Guide.
1. Perform SCN coding in transmission control module: Control units view
integrated transmission control
Adaptations
Control unit update
Drive type
SCN coding.
2. Follow on-screen instructions.
Note:
The following allowable labor operation should be used when submitting a warranty claim for
this repair:
Warranty Information
Operation: Connect/disconnect battery charger (02-5058)
Star Diagnosis System (SDS), Connect/disconnect (02-4762)
Perform SCN coding in transmission control module (02-9446).
Damage Code
54 988 46 8
Operation Number
02-5058
02-4762
02-9446
Note
Operation Number labor times are subject to change.
P-SC-2017010001
Labor Time (hrs.)
0.1
0.1
0.1
VGS fully