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Home >> Mercedes Benz >> 2005 >> E500 Base >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electrical System - Body - Trouble Diagnosis - 211 Chassis >> Trouble Diagnosis >> Interference from speakers and poor sound in Surround mode - AF82.62-P-1060A

Interference from speakers and poor sound in Surround mode - AF82.62-P-1060A

MODEL 211.### #A up to 397491 with CODE (810) Sound system except CODE (491) U.S. version except CODE (498) Japanese version 

MODEL 211.### #A up to 393368 with CODE (810) Sound system with CODE (491) U.S. version 

MODEL 211.### #A up to 390834 with CODE (810) Sound system with CODE (498) Japanese version 

MODIFICATION NOTES

26.4.04 Step 7 revised    
OPERATION NO. OF OPERATION TEXTS OR STANDARD TEXTS AND FLAT RATES

Category Op. no. Operation text Time Acc. no. Code
P 541011 Perform quick test 004 WU - -
P 540991 Control unit: ....................Install software (after quick test) 004 WU - -
P 827479 Replace audio gateway control unit (after testing), model 211.0 013 WU - -
P 827479 Replace audio gateway control unit (after testing), model 211.2 006 WU - -
Damage code Cause Remedy  
82 669 90 Software release of audio gateway (AGW). IMPORTANT As of AGW software release 28/03 and AGW Sahara version "6034ME30", the interference in the Surround mode (Logic7) is eliminated.  
  IMPORTANT Interference can occur with all audio sources in the Surround mode (Logic7) 1 Insert audio CD  
  IMPORTANT If the subwoofer is muted, the interference in the Surround mode can only be heard clearly when set to "Fader -> rear". 2 Select Surround mode (Logic7).  
    IMPORTANT If interference can be heard:
↓
3 Switch to "Speech optimized" mode
 
    4 Rewind CD with "<<" to point where interference was heard.  
    5 Check whether interference can also be heard in "Speech optimized" mode.  
    IMPORTANT If the interference is no longer heard:
↓
6 Read out Sahara version.
IMPORTANT The Sahara version can be read out as of STAR DIAGNOSIS version 03/04 under the following menu:
  • Select model 211
  • "Information/communication"
  • "Audio/video/navigation"
  • "Audio gateway"
  • "Control module version"
 
    IMPORTANT If nothing or less than "E30" (6034ME30) is indicated under Sahara:
↓
7 Remove/install/replace AGW (if necessary, observe call-up approval obligation!)
 
    IMPORTANT Otherwise: ↓
8 Flash AGW with current AGW software release.
IMPORTANT Operation numbers and WUs will be available with ASRA update 03/04. Until then, please enter the operation number and the WU manually.