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Home >> Mercedes Benz >> 2017 >> GLA45 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 156 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install tailgate wiper arm - AR82.30-P-6910NKB

Remove/install tailgate wiper arm - AR82.30-P-6910NKB

MODEL 117.9, 156, 176, 242, 246 

Shown on MODEL 246 

Fig 1: Tailgate Wiper Arm, Cover & Nut - Shown On Model 246
G10250650Courtesy of MERCEDES-BENZ USA
DANGER Injury hazard from pinching and crushing, in extreme cases extremities can even be cut off when caught in windshield wiper mechanism. Always remove ignition key when working on windshield wiper mechanism. AS82.30-Z-0001-01A
REMOVINGINSTALLING Remove/install     
1 Move windshield wiper system to park position    
2 Switch off ignition and remove transmitter key from electronic ignition lock control unit    
3 Mark position of wiper arm (1) using strip of adhesive tape on rear window    
4 Raise cover (2)    
5 Loosen nut (3) by two turns    
6 Detach wiper arm (1) with puller from wiper motor SPECIAL TOOL Puller Figure
7 Unscrew nut (3) and remove wiper arm (1) INSTALLATION IMPORTANT Align position of wiper arm (1) to strip of adhesive tape. Remove strips of adhesive tape after tightening the nut (3).  
TORQUE SPECIFICATION Wiper arm nut to rear-end door wiper motor *BA82.30-P-1004-01O 
8 Install in the reverse order    
WINDSHIELD WIPER

Number Designation MODEL 117 MODEL 156
BA82.30-P-1004-01O Wiper arm nut to rear-end door wiper motor Nm 20 20
WINDSHIELD WIPER

Number Designation MODEL 176 MODEL 242
BA82.30-P-1004-01O Wiper arm nut to rear-end door wiper motor Nm 20 13
WINDSHIELD WIPER

Number Designation MODEL 246
BA82.30-P-1004-01O Wiper arm nut to rear-end door wiper motor Nm 13
Fig 2: Identifying Puller (001 589 38 33 00)
G07213717Courtesy of MERCEDES-BENZ USA