Service Campaign 2012070004 - Update Selective Catalytic Reduction (SCR) Control Module Software (2012070004)

Publication date: 2012-08-03
Reference number: 2012070004

SERVICE CAMPAIGN 2012070004 - UPDATE SELECTIVE CATALYTIC REDUCTION (SCR) CONTROL MODULE SOFTWARE

SERVICE CAMPAIGN BULLETIN

Reference Number(s): 2012070004, Date of Issue: August 3, 2012

MERCEDES-BENZ:

Models 164, X164, 212, 251, Model Years 2009 - 2011

SUBJECT

Models 164, X164, 212, 251, Model Years 2009 - 2011

Update Selective Catalytic Reduction (SCR) Control Module Software

This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the SCR Control Module Software may not meet current specifications in the subject vehicles. Dealers will update the SCR Control Module Software at the next workshop visit.

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.

Please note that Recall and Service Campaigns do not expire and may also be performed on a vehicle with a vehicle status indicator.

Approximately 21,046 vehicles are affected.

PROCEDURE

NOTE:

Use DAS/Xentry 05-06/12 or higher.
Follow the steps exactly as described in DAS/Xentry.
Connect battery charger.

Connect Star Diagnosis to vehicle.
Update software for SCR control module:

Control units/Drive/SCR Selective Catalytic Reduction/Control Unit Adaptations/Control unit programming.

NOTE:

Perform service work on other vehicles while the software for the control module is being updated.
MB object number for software after software update: 0004482254, 6429026501, 6429033504; version (internal): V23 (MB object number for software and version number may vary by model and/or model year).
This service campaign software update addresses fault codes 203C11, 20BA1A (The AdBlue fill level sensor has a short circuit to ground, output for heating element of AdBlue pressure line has a malfunction.).

NOTE:

The following allowable labor operation should be used when submitting a warranty claim for this repair:

WARRANTY INFORMATION

Operation:

Star Diagnosis System (SDS), Connect/disconnect (02-4762)
Install software for SCR control module (with DAS connected) (02-7677)
Connect/disconnect battery charger (02-5058)

WARRANTY INFORMATION

Damage Code	Operation Number	Model Indicator(s)
54 981 01 8	02-4762	AK, BF, ED, FG, Z6, Z9
	02-7677
	02-5058

NOTE: Operation code times are subject to change. Please refer to StarTime for current labor times.