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Home >> Mercedes Benz >> 2021 >> C300 Base, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Electrical System - Body - 205 Chassis 3 Of 6 >> Testing & Repair >> Remove/Install Ambiance Illumination Control Unit - AR82.20-P-0001LWM

Remove/Install Ambiance Illumination Control Unit - AR82.20-P-0001LWM

Model 205 with code 877 (Ambient lighting) 

Model 253 (except 253.992/993) with code 877 (Ambient lighting) 

Model 293 with code 877 (Ambient lighting) 

Fig 1: Ambiance Illumination Control Unit Components Location - Model 205 With Code 877
G14187982Courtesy of MERCEDES-BENZ USA

Shown on model 205.### 1# with transmission 725 

G14187983Courtesy of MERCEDES-BENZ USA

Shown on MODEL 205.### 1# 

  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Commission ambient lighting control unit (N162). When replacing the ambient lighting control unit (N162).  
REFER TO SELF DIAGNOSTIC SYSTEMS   Model 293 with code 877 (Ambient lighting) AD00.00-P-2000-06FR
REFER TO SELF DIAGNOSTIC SYSTEMS   Model 205 with code 877 (Ambient lighting) AD00.00-P-2000-04B
    Model 253 (except 253.992/993) with code 877 (Ambient lighting)  
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m).    
3 Remove floor covering in front passenger footwell. Model 205 with code 877 (Ambient lighting) AR68.20-P-2070LW
    Model 253 (except 253.992/993) with code 877 (Ambient lighting)  
    Model 293 with code 877 (Ambient lighting) AR68.80-P-0008EQ
4 Unscrew nuts (1) and remove footrest (2).    
5 Unscrew nut (3) and place prefuse box in vehicle interior (F32/4) with attached electric lines to one side.    
6 Unclip electric line (5) from holder (11). SPECIAL TOOL Dismantling tool Fig 2
7 Disconnect electrical connectors (6) from powertrain control unit (N127).    
8 Disconnect electrical connector (8) from park pawl capacitor (C8). Model 205 (except 205.012/013/047/053/147/212/213/247/253) with transmission 722 with code 877 (Ambient lighting)
Model 205 (except 205.012/013/047/053/147/212/213/247/253) with transmission 725 with code 877 (Ambient lighting)
Model 205 with transmission 724 with code 877 (Ambient lighting)
Model 253 (except 253.992/993) with transmission 724 with code 877 (Ambient lighting)
Model 253 (except 253.992/993) with transmission 725 with code 877 (Ambient lighting)
 
9 Unscrew nuts (10) and place holder (11) with control units into footwell.    
10 Disconnect electrical connector (12) from ambient lighting control unit (N162).    
11 Unscrew nut (13) and remove ambient lighting control unit (N162).    
12 Install in the reverse order.    
Fig 2: Identifying Dismantling Tool (000 589 95 63 00)
G12619044Courtesy of MERCEDES-BENZ USA