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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Mixture Formation - 463 Chassis (3 Of 4) >> Testing & Repair >> Remove/Install Engine Management Control Unit (MCM) >> Remove/Install Engine Management Control Unit (MCM) - AR07.08-P-7013XGA

Remove/Install Engine Management Control Unit (MCM) - AR07.08-P-7013XGA

Engine 176 in model 463 

as of model year 2019 

Fig 1: Engine Management Control Unit (MCM) Components Location - Engine 176 In Model 463 As Of Model Year 2019
G13656115Courtesy of MERCEDES-BENZ USA
G13656116Courtesy of MERCEDES-BENZ USA
G13656117Courtesy of MERCEDES-BENZ USA
G13656118Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Start the control unit replacement with the diagnostic system. When replacing the ME-SFI [ME] control unit (N3/10).  
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3 Remove the fender liner in the right fender.   AR88.10-P-1300XG
4 Release and disconnect the electrical connections (2).    
5 Unclip the electrical wiring harness on the retaining clip (1) and place to one side.    
6 Remove screws/bolts (3). TORQUE SPECIFICATION Bolt, holder for engine management (MCM) control unit to body *BA54.21-P-1003-01F 
7 Remove the ME control unit (N3/10) with bracket (12) by moving it downward.    
8 Unscrew the bolts (11) and remove the bracket (12). When replacing the ME-SFI [ME] control unit (N3/10).  
    TORQUE SPECIFICATION Bolt, holder for engine management (MCM) control unit *BA54.21-P-1002-01F 
9 Unscrew the bolts (13) and remove the bracket (14). When replacing the ME-SFI [ME] control unit (N3/10).  
    TORQUE SPECIFICATION Bolt, holder for engine wiring harness to engine management (MCM) control unit *BA15.18-P-1006-01G 
10 Install in the reverse order.    
11 Read out the fault memory and delete if necessary.    
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
12 Perform an engine test run and check the engine for proper function.    
ENGINE WIRING HARNESS

Number Designation Engine 176
BA15.18-P-1006-01G Bolt, holder for engine wiring harness to engine management (MCM) control unit M5 Nm 6
CONTROL UNITS/BASE MODULE

Number Designation Model 463 as of model year 2019
BA54.21-P-1002-01F Bolt, holder for engine management (MCM) control unit M6 Nm 8
CONTROL UNITS/BASE MODULE

Number Designation Model 463 as of model year 2019
BA54.21-P-1003-01F Bolt, holder for engine management (MCM) control unit to body M6 Nm 8