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Home >> Mercedes Benz >> 2016 >> S550 Base >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Brakes - Hydraulic & Mechanical System - 222 Chassis >> Testing & Repair >> Remove/install electric parking brake control unit - AR42.20-P-0610LF

Remove/install electric parking brake control unit - AR42.20-P-0610LF

Model 217, 222 

Shown on model 222 

Fig 1: Electric Parking Brake Control Unit Remove/Install Components - Shown On Model 222
G11132554Courtesy of MERCEDES-BENZ USA

Shown on model 217.4 

Fig 2: Electric Parking Brake Control Unit Remove/Install Components - Shown On Model 217.4
G11132555NOTESREMOVINGINSTALLINGREFER 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
REMOVINGINSTALLING Remove/install     
1 Remove trim from luggage compartment rear panel Model 217.3 AR68.30-P-4600LC
    Model 222.0/1 AR68.30-P-4600LF
2 Detach rear fuse and relay module (8) from mounting bracket (9) and place to one side toward rear with electrical lines still connected Model 217.4 AR54.15-P-0001LF
3 Remove screws/bolts (1) Model 217.3, 222  
4 Disconnect electrical connectors (2, 3) Model 217.3, 222  
5 Fold bracket (4) backwards Model 217.3, 222  
6.1 Unscrew screws/bolts (7) and remove electric parking brake control unit (N128) Model 217.3, 222  
6.2 Unclip electric parking brake control unit (N128) in upward direction Model 217.4  
7 Disconnect electrical connection (6)    
8 Install in the reverse order    
9 Perform initial startup of electric parking brake control unit (N128) When replacing electric parking brake control unit (N128).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B