LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2007 >> R320 >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Electrical System - Body - 251 Chassis - 1 Of 5 >> Testing & Repair >> Remove/install loudspeaker amplifier control unit - AR82.62-P-7720RT

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

MODEL 251 

Shown on model 251.1 

Fig 1: Identifying Loudspeaker Amplifier Control Unit Remove/Install Components - Shown On Model 251.1
G10122371Courtesy of MERCEDES-BENZ USA
MODIFICATION NOTES

26.7.06 Disconnect/connect ground line for battery and carry out basic programming removed Steps 2 and 14
REMOVINGINSTALLING Remove/install     
NOTES Notes on avoiding damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1 Read out coding of sound system amplifier (N40/3) IMPORTANT Only when replacing sound system amplifier (N40/3) and if it can still be read out with STAR DIAGNOSIS  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04A
STAR DIAGNOSIS system *WH58.30-Z-1048-13A 
2 Remove front seat (1) on driver side and set down next to vehicle IMPORTANT It is not necessary to remove the seat belt from the front seat! AR91.10-P-1000RT
3 Unclip upper section from B-pillar paneling and remove until bottom section of B-pillar paneling is accessible, then unclip bottom section from B-pillar paneling and remove.   AR68.30-P-4700RT
4 Remove cover (2) from cargo retainers (4).    
5 Unscrew bolt (3), remove cargo retainers (4) and cover (5) IMPORTANT Insert cargo retainers (4) with arresting lug properly.  
TORQUE SPECIFICATION *BA68.50-P-1001-03G 
6 Fold floor covering over until nuts (6) on air duct are accessible    
7 Unscrew nuts (6) and remove air duct (7)    
8 Disconnect electrical connectors (8) from sound system amplifier (N40/3) IMPORTANT Cover fiber optic cable using suitable means.  
9 Unscrew nuts (9) and remove sound system amplifier (N40/3) with bracket (10)    
10 Unscrew bolts (11) and remove bracket (10) from sound system amplifier (N40/3)    
11 Install in the reverse order    
12 Code amplifier for sound system (N40/3) IMPORTANT Only when installing new sound system amplifier (N40/3).  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04A
STAR DIAGNOSIS system *WH58.30-Z-1048-13A 
CARGO RETAINERS

Number Designation Model 251
BA68.50-P-1001-03G Bolt, cargo retainers to body Nm 24
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1048-13A STAR DIAGNOSIS system, Compact Passenger Car 6511 1801 00