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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 HERMES control unit - AR82.95-P-0019NKA

Remove/install HERMES control unit - AR82.95-P-0019NKA

MODEL 156, 176, 242, 246 with CODE 360 (HERMES UMTS) 

MODEL 156, 176, 242, 246 with CODE 362 (HERMES LTE) 

Shown on model 156 

Fig 1: HERMES Control Unit Remove/Install Components - Shown On Model 156
G11068997NOTESREMOVINGINSTALLINGREFER 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 Perform initial startup of the HERMES control unit (N112/9) When replacing the HERMES control unit (N112/9).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m)    
3 Remove rear shelf    
4.1 Open left service flap in trunk Model 156, 242, 246
with code 360 (HERMES UMTS)
Model 156, 242, 246
with code 362 (HERMES LTE)
 
4.2 Remove side paneling in left side of luggage compartment Model 176
with code 360 (HERMES UMTS)
Model 176
with code 362 (HERMES LTE)
 
  AR68.30-P-4800NKA
5 Release and disconnect electrical connectors (2) from HERMES control unit (N112/9)    
6 Unscrew nuts (1)    
7 Remove HERMES control unit (N112/9)    
8 Install in the reverse order