NCU-2021070020

WORK DESCRIPTION FOR FIELD MEASURE
Code: 21P5499641
Version: 2.0
Perform SCN coding in powertrain control unit (PTCU)
Model 167
• Ensure use of XENTRY Diagnosis version 03/2021 or higher.
• Before starting any work procedure, install all the add-ons that are updated daily in
XENTRY Diagnosis.
• Make sure to follow the operation steps exactly as described in XENTRY Diagnosis.
• Use a battery charger to ensure sufficient power supply of the vehicle on-board electrical
system battery (greater than 12.5 V).
• If XENTRY Diagnosis is already connected to the vehicle, start with operation step 2.
If two or more software updates or SCN codings are performed during one workshop
visit, the operation items 02-4762 and 02-5058 may only be invoiced
once for each workshop order.
Work procedure
1. Connect XENTRY Diagnosis.
2. Perform SCN coding in powertrain control unit.
To do this, select menu item "Quick test view - N127 Control unit ‘Powertrain’ (PTCU) –
Adaptations - Control unit update – Updating of SCN coding".
Then follow the user guidance in XENTRY Diagnosis.
3. Disconnect XENTRY Diagnosis.
Operation text and flat rate
Operation
Operation text
no.
02-9446
Perform SCN coding in powertrain
control unit (with XENTRY Diagnosis
connected)
02-4762*
Connect/disconnect vehicle diagnosis
system (XENTRY Diagnosis)
02-5058*
Flat rate
0.1 h
Accounting no./
damage code
54 996 41
0.1 h
54 996 41
Connect/disconnect starter battery
0.1 h
charger (with XENTRY Diagnosis
connected)
* Operation item may only be invoiced once for each workshop order!
54 996 41
Mercedes-Benz
Global Service & Parts
1/1
Field measure management GSP/TPR