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COMAND Current Draw (82.85/324A)

Publication date: 2004-05-10
Reference number: 82.85/324A

COMAND CURRENT DRAW

COMAND CURRENT DRAW

TECHNICAL SERVICE BULLETIN

Reference Number(s): P-B-82.85/324A, Date of Issue:  May 10, 2004
MERCEDES-BENZ: Model 215.374/375/376, Effected VIN Range A038424 - A039339, Model 220.170/174/175/176/183/184, Effected VIN range A374524 - A383636 with COMAND
GROUP: 82 - Electrical System - Body
Superceded Bulletin(s): P-B-82.85/324, Date of Issue:  April 30, 2004
NOTE: Revision: Correction to Model Indicator

SUBJECT

Model 215.374/375/376, Effected VIN Range A038424 - A039339 

Model 220.170/174/175/176/183/184, Effected VIN range A374524 - A383636 with COMAND 

COMAND Current Draw 

SERVICE INFORMATION

If you receive customer reports in the above model vehicles of battery drain, please check the COMAND units sleep current per the below steps. COMAND sleep current can be measured at fuse F1f22 (fuse 22 in left front fuse box).

  1. Connect the multimeter in place of fuse using adapter part number W140 589 12 21 00 which is part of Set of Electrical Connections part number W220 589 00 99 00.
  2. Turn ignition switch to position 1 and make sure COMAND is turned on.
  3. Inspect the COMAND system for a navigation or music CD. Remove any CDs from the system, as this will affect the rest current (for testing only).
  4. Remove the cellular telephone, if so equipped.
  5. Turn off the ignition and remove the key. Make sure the COMAND is turned off.
  6. Wait approximately 20 minutes after removing the ignition switch and switching off the COMAND.

If the sleep current is approximately 900mA and vehicle's VIN falls into the above subject VIN range, please replace the COMAND unit to resolve.

PARTS INFORMATION

PARTS INFORMATION

Qty. Part Name Part Number
1 COMAND A220 820 59 89
NOTE: It is required that the DTB Order no. be referenced in the Dealer Text Field of the Warranty Claim upon submission.
NOTE: The following allowable labor operations should be used when submitting a warranty claim for this repair.

IN CASE OF WARRANTY

Operation:

  1. Amp draw check, perform (54-0645)
  2. Battery, recharge (54-1135) (if necessary)
  3. Battery, R & R/replace (54-1120) (if necessary)
  4. Pushbutton COMAND unit, R & R/replace (82-7382) (if necessary)
WARRANTY INFORMATION

Damage Code Operation Number Time (hrs.) Model Indicator (s)
82851 52 54 0645 0.3 hrs. M1, M2, M6, M7, M8, M9, N1, N4, N5
54 1135 (if necessary) 0.3 hrs. M0, N0
54 1120 (if necessary) 0.4 hrs. M0, N0
82 7382 (if necessary) 0.5 hrs. M0
2.9 hrs. N0