Perform SCN Coding (Code: VS2SCNCODM) - SM54.21-S-0122A

Model 447.### 13 as of 000411 up to 209813

OPERATION NO. OF OPERATION TEXTS OR STANDARD TEXTS AND FLAT RATES

Category	Op. no.	Operation text	Time	Acc. no.	Code
P	02 4762	Operations: Connect/disconnect diagnostic system (XENTRY/DAS)	-	54 980 57	VS2SCNCODM
P	02 5058	Operations: Connect/disconnect battery charger (with XENTRY/DAS connected)	-	54 980 57	VS2SCNCODM
P	02 5823	Operations: Perform SCN coding in ATA control unit (with XENTRY/DAS connected)	-	54 980 57	VS2SCNCODM
P	02 5901	Operations: Perform SCN coding in 2 control units (with XENTRY/DAS connected)	-	54 980 57	VS2SCNCODM

	Check
1	Check whether vehicle is affected by measure	Affected vehicles: Perform SCN coding (code: VS2SCNCODM) For authorized Mercedes-Benz service partners, only the entry in the "Extended VEGA Application" (EVA) system, in the "Current" tab is decisive. An additional test of the affected vehicles in the workshop information system (WIS) or vehicle list is thereby not necessary.	SM54.21-S-0122-01AAA
	Perform SCN coding
2	Mount charger
		A sufficient power supply for the on-board electrical system battery must be guaranteed throughout the entire work procedure. Otherwise any undervoltage that occurs may damage the control units. Follow the operating instructions for the charger. Use the charger to ensure that an adequate voltage (min. 12.5 V) is provided for the on-board electrical system battery.	AR54.10-S-1127E
3	Mount diagnostic unit
		Use XENTRY Diagnostics version 03/17 with all relevant updated addons (in particular addon 7550). Or XENTRY Diagnostics version 05/2017 (in particular with addon 7551) or XENTRY Diagnostics version 07/2017 (in particular with addon 7741). or a higher XENTRY Diagnostics version. The operation steps must be performed exactly as per XENTRY Diagnostics. Is XENTRY Diagnostics already connected to the vehicle. ↓ Proceed with operation step 4.	AD00.00-S-2000-04E
4	Run SCN coding in corresponding control unit
		To do so, select the following menu item in the "Special functions" tab: "Service measure available. " The affected control unit is shown. Select the following menu item for the SCN coding procedure for the displayed control unit: Control units view → Selection of affected control unit → Adaptations → Control units update → Updating of SCN coding You are automatically guided through the SCN coding procedure.	AR54.21-S-0015E
5	Disconnect diagnostic unit
6	Remove charger