Code Parktronic (PTS) Control Unit - SM54.65-S-0002B

Model 447.### ## as of 009000 up to 020621 

with CODE EZ7 (Active Parking Assist) 

	Check
1	Check whether vehicle is affected by measure	Affected vehicles: Code Parktronic control unit (PTS) For authorized Mercedes-Benz service partners, only the entry in the Extended VEGA Application (EVA) edition, in the "Current" tab is decisive. An additional test of the affected vehicles in the workshop information system (WIS)/vehicle list is thereby not necessary.	SM54.65-S-0002-01AAB
	Perform SCN coding
2	Connect Xentry Diagnostics	Use XENTRY Diagnostics version 12/14 with all related and the latest add-ons (in particular add-on 4238 and 4239) or a higher XENTRY Diagnostics version. The operation steps must be performed exactly as per Xentry Diagnostics. If XENTRY Diagnostics is already connected to the vehicle: ↓ continue with operation step 3.
3	Connect battery charger
	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. Otherwise any undervoltage that occurs may damage the control units. 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-S-1127E
4	Perform SCN coding of PARKTRONIC (PTS) control unit (N62)
	SCAN coding of control units	To do this, select the following menu items: Control units selection → Information and communication → PTS - PARKTRONIC (N62) → Adaptations → Configuration → SCN → SCN coding.	AR54.21-S-0015E
5	Disconnect diagnostic equipment
6	Disconnect battery charger
	Maintaining on-board electrical system voltage when performing test and diagnosis work on vehicle		AR54.10-S-1127E