COMAND: Does Not Start, Cannot Be Operated, COMAND Display Remains Dark (LI82.85-P-055695)

Publication date: 2013-08-28
Reference number: LI82.85-P-055695

COMAND: DOES NOT START, CANNOT BE OPERATED, COMAND DISPLAY REMAINS DARK

TECHNICAL SERVICE BULLETIN

Reference Number(s): LI82.85-P-055695 Version 3, Date of Issue: August 28, 2013

Mercedes-Benz:	NTG4.5: Model 207, 212, 218 with code 088 or code 803 or code 804 and code 512 (COMAND Online with integrated 6-disk DVD changer) or code 526 (COMAND Online without navigation) or code 527 (COMAND Online) or code 528 (COMAND Online without navigation); Model 166, 172, 176, 204.0/2/3, 246 with code 802 or model 166, 117, 172, 176, 204, 246 with code 803 or model 231 with code 168 or model 463 with code XZ2 and code 512 (COMAND Online with integrated 6-disk DVD changer) or code 526 (COMAND Online without navigation) or code 527 (COMAND Online) or code 528 (COMAND Online without navigation)
Design Group:	82.85 Navigation and communication systems (CNS, ICS, COMAND, FleetBoard)
Reason For Change:	Damage code adapted

COMPLAINT

The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated.

NOTE: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30).

CAUSE

Software release of COMAND control unit (A40/3)

REMEDY

The power supply of the COMAND unit must be interrupted for a short time (approx. 1 min). Then the problem is rectified, but may reoccur.

Then perform a software update of the COMAND unit (A40/3). If there are complaints, the COMAND control unit must not be replaced!

The complaint is permanently rectified with the following software updates:

For vehicle models 207, 212, 218 with code 088: Software update of COMAND control unit (A40/3) to software release 12/47 00 or higher.

For vehicle models 166, 172, 204.0/2/3, 246 with code 802: Software update of COMAND control unit (A40/3) to software release 12/47 00 or higher.

NOTE: To install the software, at least Xentry Diagnostics version 03/2013 and Telematics DVD 03/13 (A 166 827 11 59) are required.

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For vehicle models 166, 117, 172, 176, 204, 207, 212, 218, 246 with code 803 or model 231 with code 168 or model 463 with code XZ2: Software update of COMAND control unit (A40/3) to software release 12/36 00 or higher.

For vehicle models 207, 212, 218 with code 804: Software update of COMAND control unit (A40/3) to software release 13/14 02 or higher.

NOTE: To install the software, at least Xentry Diagnostics version 05/2013 and Telematics DVD 05/13 (A 827 02 00) are required.

SYMPTOMS

Communication/information/Entertainment/Radio/Nonfunctional

Communication/information/Entertainment/Audio/Speakers emit no sound

Communication/information/Entertainment/Overall system/system error/System fails to power up, display dark

Communication/information/Entertainment/Radio/Device unavailable

Communication/information/Entertainment/Overall system/operation/Button nonfunctional

WORK UNITS

Op. no.	Operation text	Time	Damage code	Note
			87100 E6	Head unit - Total failure