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Home >> Mercedes Benz >> 2019 >> CLA250 4Matic, Gas >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System - Body - 117 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install loudspeaker amplifier control unit - AR82.62-P-7720NKC

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

MODEL 117 with CODE 810 (Sound system) 

Shown on model 117.9 

G11065840Courtesy of MERCEDES-BENZ USA
G11065841Courtesy of MERCEDES-BENZ USA

Shown on MODEL 117.3 

Fig 1: Amplifier Control Unit Component Location - Model 117 With Code 810 (Shown On Model 117.3)
G11065842Courtesy of MERCEDES-BENZ USA
NOTES Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
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    
3.1 Remove right paneling in trunk Model 117.3  
  AR68.30-P-4800NKC
3.2 Remove left and right paneling (4) and move cover (3) towards rear until electrical connectors (2) are accessible Model 117.9  
  AR68.30-P-1180NKC
4 Unclip control unit (5) cover Model 117.9  
5 Separate electrical connectors (2)    
6 Unscrew nuts (1) and remove sound system amplifier control unit (N40/3)    
7 Install in the reverse order    
8 Perform function test