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Home >> Mercedes Benz >> 2017 >> GLA45 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 156 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install loudspeaker amplifier control unit - AR82.62-P-7720NKX

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

MODEL 156 with CODE 810 (Sound system) 

Fig 1: Loudspeaker Amplifier Control Unit Remove/Install Components
G11068995NOTESNOTESREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
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
2 Switch off ignition and remove transmitter key from electronic ignition lock control unit    
3 Unclip cover (1)    
4 Unscrew nuts (2)    
5 Remove sound system amplifier control unit (N40/3) from guide and disconnect electrical connectors (3)    
6 Remove sound system amplifier control unit (N40/3)    
7 Install in the reverse order    
8 Perform function test