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Home >> Mercedes Benz >> 2013 >> CLS550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 218 Chassis - 3 Of 5 >> Testing & Repair >> Remove/install loudspeaker amplifier control unit - AR82.62-P-7720EW

Remove/install loudspeaker amplifier control unit - AR82.62-P-7720EW

MODEL 212.0/1 up to model year 2014 with CODE 810 (Sound system) 

MODEL 218 with CODE 810 (Sound system) 

Fig 1: Identifying Loudspeaker Amplifier Control Unit Remove/Install Components - Shown On Model 212.0
G09977635Courtesy of MERCEDES-BENZ USA

Shown on model 212.0 

Fig 2: Identifying Loudspeaker Amplifier Control Unit Remove/Install Components - Shown On Model 218.9
G09977636Courtesy of MERCEDES-BENZ USA

MODEL 218.9 

NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
NOTES Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
REMOVINGINSTALLING Remove/install     
1 Connect diagnostic system and perform initial startup of sound system amplifier control unit (N40/3) When replacing sound system amplifier control unit (N40/3).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
    INSTALLATION IMPORTANT Transfer buffered basic data to new sound system amplifier control unit (N40/3).  
2.1 Switch off ignition and remove transmitter key from electronic ignition lock control unit MODEL 212.0/1
up to model year 2014
with CODE 810 (Sound system)
without CODE 889 (KEYLESS-GO)
MODEL 218
with CODE 810 (Sound system)
without CODE 889 (KEYLESS-GO)
 
2.2 Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit MODEL 212.0/1
up to model year 2014
with CODE 810 (Sound system)
with CODE 889 (KEYLESS-GO)
MODEL 218
with CODE 810 (Sound system)
with CODE 889 (KEYLESS-GO)
 
3.1 Remove left side paneling (1) MODEL 212.0/1
up to model year 2014
with CODE 810 (Sound system)
MODEL 218.3
with CODE 810 (Sound system)
 
    MODEL 212.0/1
up to model year 2014
with CODE 810 (Sound system)
AR68.30-P-4600EW
    MODEL 218.3
with CODE 810 (Sound system)
AR68.30-P-4600EL
3.2 Remove cover (7) from left rear side lining (8) MODEL 218.9
with CODE 810 (Sound system)
 
      AR68.30-P-1180ELX
4 Disconnect electrical connection (2)    
5 Disconnect electrical connector with optical fiber (3) and cover equipment connection at sound system amplifier control unit (N40/3)    
6 Unscrew nuts (4)    
7 Remove sound system amplifier control unit (N40/3) from bracket (5)    
8 Install in the reverse order