Update Software For Signal Acquisition And Actuation Module (Code: Vs3STAHEI2, Acc. No.: 83 943 78) - SM54.21-D-0141SG

Model 907.### ## as of 000337 up to 006704

with code H12 (Auxiliary hot-water heater)

Operation no. of the operation texts or standard texts and flat rates
Category	Op. no.	Operation text	Time	Acc. no.	Code
L	02 2443	Operations: Connect/disconnect vehicle diagnosis system	-	83 943 78	VS3STAHEI2
L	02 2445	Operations: Connect/disconnect charger (vehicle diagnosis system connected)	-	83 943 78	VS3STAHEI2
L	02 2442	Operations: Update control unit software (vehicle diagnosis system connected)	-	83 943 78	VS3STAHEI2

	Notes on programming control units		AH54.21.P.0001.03Z
	Check
1	Check whether vehicle is affected by measure.	Affected vehicles: Update software for signal acquisition and actuation module (Code: VS3STAHEI2, acc. no.: 83 943 78) Model 907.### ## as of 000337 up to 006704	SM54.21.D.0136.01AAA
		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.D.0136.01AAB
	Update software
2	Connect diagnostic system.
		Use XENTRY Diagnostics add on 10264 for version 05/2018 or XENTRY Diagnostics add on 10267 for version 07/2018 or a higher XENTRY Diagnostics version. The operation steps must be performed exactly as per XENTRY Diagnostics.	AD00.00.D.2000.06TS
3	Connect charging equipment.
	Maintaining on board electrical system voltage when performing test and diagnosis work on vehicle	During the entire work procedure a sufficiently large voltage supply must be provided for the vehicle's on board electrical system. 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 power supply (min. 12.5 V) is provided for the on board electrical system battery.	AR54.10.D.1127TS
4	Update signal acquisition and actuation module software.	It is absolutely essential to precisely follow the operation steps as described in the vehicle diagnosis system.
5	Disconnect diagnostic system.
			AD00.00.D.2000.06TS
6	Remove charger from vehicle.
			AR54.10.D.1127TS