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Home >> Mercedes Benz >> 2017 >> GLS350d >> Repair and Diagnosis >> Body & Frame >> Windows >> Doors - 166 Chassis >> Testing & Repair >> Remove/Install Front Door Control Unit - AR72.29-P-1000GQ

Remove/Install Front Door Control Unit - AR72.29-P-1000GQ

MODEL 166 

except code Z04 (Light armoring) 

except code Z05 (B5 armoring on special protection version) 

Model 292 

Shown on model 166.004 

Fig 1: Left/Right Front Door Control Unit Components Location - Model 166 Except Code Z04, Z05
G14133474NOTESREMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSREFER 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 Connect diagnostic system and store basic data of left front door control unit (N69/1) or right front door control unit (N69/2) When replacing left front door control unit (N69/1) or right front door control unit (N69/2).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Remove door liner (1) from front door   AR72.10-P-1000GQ 
3 Disconnect electrical connectors (2) from left front door control unit (N69/1) or right front door control unit (N69/2)    
4 Press retaining clip (3) and remove left front door control unit (N69/1) or right front door control unit (N69/2) by pulling to side    
5 Install in the reverse order    
  Initial startup     
6 Perform SCN coding for left front door control unit (N69/1) or right front door control unit (N69/2) with diagnostic system When replacing left front door control unit (N69/1) or right front door control unit (N69/2). AR54.21-P-0015X
7 Transfer previously stored basic data to left front door control unit (N69/1) or right front door control unit (N69/2) When replacing left front door control unit (N69/1) or right front door control unit (N69/2).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
8 Perform start-up for left front door control unit (N69/1) or right front door control unit (N69/2) When replacing left front door control unit (N69/1) or right front door control unit (N69/2).