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Service Campaign 2016040005 - Correct Pin Assignment At Driver-Side SAM Control Module And SCN Code Rear SAM Control Module (2016040005)

Publication date: 2016-04-01
Reference number: 2016040005

SERVICE CAMPAIGN 2016040005 - CORRECT PIN ASSIGNMENT AT DRIVER-SIDE SAM CONTROL MODULE AND SCN CODE REAR SAM CONTROL MODULE

SERVICE CAMPAIGN 2016040005 - CORRECT PIN ASSIGNMENT AT DRIVER-SIDE SAM CONTROL MODULE AND SCN CODE REAR SAM CONTROL MODULE

SERVICE CAMPAIGN BULLETIN

Reference Number(s): 2016040005, Date of Issue:  April 2016
MERCEDES-BENZ: Model 172, Model Year 2016

SUBJECT

Model 172, Model Year 2016 

Correct Pin Assignment at Driver-side SAM Control Module and SCN Code Rear SAM Control Module 

Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain SLK vehicles (model 172) with the 9-speed automatic transmission, the backup power supply feed for the ignition switch might have been incorrectly connected during a limited period of production.

If the backup power supply is not available and there is a loss of the main battery, and an engine stop with the transmission in "R", "D" or "N", and the electric parking brake not applied, neither the electric parking brake nor the transmission position "P" is able to be engaged. To remedy this, an authorized Mercedes-Benz dealer will correct the pin assignment at the Driver-side SAM control unit and perform SCN coding at the rear SAM control unit

Prior to performing this Recall Campaign:

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

Approximately 223 vehicles are involved.

PROCEDURE

  1. Remove Driver-side SAM control module with left front fuse and relay box from fuse box with harness connectors connected, refer to WIS: AR54.21-P-1260CW.
    NOTE:
    • Disconnect negative battery cable refer to WIS: AR54.10-P-0003W.
    • Do not disconnect electrical harness connectors.
    • Use a 50 mm long Torx-bit T20 (locally sourced) to unbolt driver-side SAM control module from fuse box.
    G10381878
  2. Disconnect orange connector (A [11C], Figure 2) from driver SAM.
    G10381879
  3. Unpin red-blue  wire (pin 8 at orange connector [11C], Figure 3) using pin removal tool * then cut off female wire connector (1).

    * 220 589 01 99 63 found in wiring harness repair kit, basic (000 589 13 99 00 and 220 589 04 99 00).

    G10381880
  4. Reconnect orange connector 11C (Figure 3) to driver SAM.
  5. Crimp new  female wire connector (with 0.75 mm2 ) to blue-red  wire (C, Figure 3).
  6. Disconnect white harness connector (D, [19I] Figure 4) from driver SAM and cut-off cable tie.
    G10381881
  7. Open/unlock connector (D, [19l] Figures 4, 5) and insert red-blue  wire (C, Figure 3) into position 10 (E, Figure 5).
    G10381882
  8. Close/lock white connector (D, [19I] Figure 5) and reconnect to driver SAM.
    NOTE: Install new cable tie on connecter (D) wiring harness.
  9. Reinstall Driver-side SAM control module into left front fuse and relay box.
  10. Reconnect battery.
    NOTE:
    • Use DAS/Xentry 03-04/16 with all associated patches or higher.
    • Follow the steps exactly as described in DAS/Xentry.
    • Connect battery charger (battery voltage >12.5V).
    • Ensure all electrical consumers are switched-off.
    • In the event of software/SCN update issues, contact Star Diagnosis User Help Desk. Please refer to the "pre-call" check list before contacting UHD
    • Refer to Star Diagnosis System (SDS) Best Practices Guide.
  11. Connect SDS then perform SCN coding in Rear SAM  control module:

    Control units view -> Body -> Rear SAM - Rear signal acquisition and actuation module -> Adaptations -> Control unit update -> Updating of SCN coding.

  12. Follow on-screen instructions.

SPECIAL TOOLS

G10381883

PRIMARY PARTS INFORMATION

PRIMARY PARTS INFORMATION

Qty. Part Name Part Number Estimated Replacement Rate
1 MQS female contact - 0.75 mm2 A 008 545 55 26 100%
1 Cable tie A 004 997 98 90
NOTE:
  • Please be aware that only the part number(s) referenced in the Campaign Bulletin is/are approved for use to repair the vehicle. Repairs performed using any other part(s) will not have been performed in accordance with the campaign. Accordingly, warranty claims submitted with reference to an improper part number(s) will be denied.
  • The following allowable labor operation should be used when submitting a warranty claim for this repair:

WARRANTY INFORMATION

Operation:

  1. Correct assignment of electrical connector at driver SAM (02-9432)
  2. Connect/disconnect battery charger (02-5058)
  3. Star Diagnosis System (SDS), Connect/disconnect (02-4762)
  4. Perform SCN coding in SAM-H  control module (02-9446)
WARRANTY INFORMATION

Damage Code Operation Number Labor Time (hrs.)
54 918 34 7 02-9432 0.6
02-5058 0.1
02-4762 0.1
02-9446 0.1
NOTE: Operation Number labor times are subject to change
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