E 550 (211.072) V8-5.5L (273.960) (2007)
Speaker: Customer Interest
Audio System - No Right Side Volume/Bass Using AUX
AUX: Poor audio quality during operation via AUX jack in glove box
Topic number
LI82.85-P-045873
Version
3
Design group
82.85 Navigation and communication systems (CNS,
ICS, COMAND, FleetBoard)
Date
02-01-2010
Validity
Model 211, 219 as of code 809 (NTG2.5)
Reason for change
Remedy, pinning revised / Supersedes DTB P-B-82.85/
678
Reason for block
Complaint:
The following complaints are possible when an audio source is connected via the AUX jack in the glove box:
1. No sound from the right-hand speakers
2. Poor audio quality and no bass on the right-hand side
3. Insufficient sound reproduction, sound is lower that normal when compared with other vehicle using identical aux device.
Cause:
The AUX wiring harness between the head unit and the jack is incorrectly connected
Remedy:
Change pin assignment in connector housing on head unit as described below:
Pin assignment
Old: pin 3: shielding - New: pin 3: shielding - UNCHANGED
Old: pin 4: black - New: pin 4: yellow
Old: pin 9: brown - New: pin 9: black
Old: pin 10: yellow - New: pin 10: brown
Note:
See pictures in attachment
Attachments