LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2021 >> CLS53 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 257 Chassis 3 Of 8 >> Testing & Repair >> Remove/Install Sound System Control Unit - AR82.62-P-7724FR

Remove/Install Sound System Control Unit - AR82.62-P-7724FR

Model 257 

with code 810 (Premium sound system) 

Model 257 

with code 811 (High-End sound system) 

Fig 1: Sound System Control Unit Component Location - Model 257 With Code(s) 810 And 811
G14549597Courtesy of MERCEDES-BENZ USA

Shown on model 257 with code 810 (Sound system) 

WARNING Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
Topical note Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Perform initial startup of sound system amplifier control unit (N40/3) or Advanced Sound System amplifier control unit (N40/7) When replacing sound system amplifier control unit (N40/3) or Advanced Sound System amplifier control unit (N40/7).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m)    
3 Remove side paneling in left trunk Model 257
with code 810 (Premium sound system)
AR68.30-P-4800FR
4 Remove subwoofer Model 257
with code 811 (High-End sound system)
AR82.62-P-7841FR 
5 Remove subwoofer holder Model 257
with code 811 (High-End sound system)
 
6 Unscrew nuts (2)    
7 Remove screws (3)    
8 Remove bracket (1) with sound system amplifier control unit (N40/3) or with advanced sound system amplifier control unit (N40/7) and set down with electrical lines connected    
9 Release and disconnect electrical connection (4) IMPORTANT Model 257
with code 811 (High-End sound system) Two electrical connectors (4) are installed.
 
10 Disconnect electrical connector with optical fiber (5)    
11 Cover up plug for electrical connector with optical fiber (5) and equipment connection at sound system amplifier control unit (N40/3) or advanced sound system amplifier control unit (N40/7)    
12 Remove bracket (1) with sound system amplifier control unit (N40/3) or with advanced sound system amplifier control unit (N40/7)    
13 Unscrew nuts (6) and remove sound system amplifier control unit (N40/3) or advanced sound system amplifier control unit (N40/7) from bracket (1) When replacing sound system amplifier control unit (N40/3) or Advanced Sound System amplifier control unit (N40/7).  
14 Install in the reverse order