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Home >> Mercedes Benz >> 2021 >> G550 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 463 Chassis (3 Of 4) >> Testing & Repair >> Remove/Install ME-SFI Control Unit - AR07.08-P-1000MNF

Remove/Install ME-SFI Control Unit - AR07.08-P-1000MNF

Engine 176 in model 463 

up to model year 2019 

Fig 1: ME-SFI Control Unit Components Location - Engine 176 In Model 463 Up To Model Year 2019
G13656114REMOVINGINSTALLINGREFER TO SELF DIAGNOSTIC SYSTEMSINSTALLATION IMPORTANTINSPECTWARNINGCourtesy of MERCEDES-BENZ USA
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Read out variant coding of ME-SFI [ME] control unit (1) with diagnostic system When installing a new ME-SFI [ME] control unit (1).  
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
    INSTALLATION IMPORTANT : Transfer stored data to new ME-SFI [ME] control unit (1).  
2 Unclip expansion reservoir and lay down to side with lines connected   AR20.30-P-4950MNA
3 Disconnect electrical connections (2, 3)    
4 Unclip electrical connection (4) from holder of ME-SFI [ME] control unit (1)    
5 Unclip line (5) from holder of ME-SFI [ME] control unit (1)    
6 Remove screw/bolts (6) and press wiring harness (7) to one side    
7 Remove nuts (8) from holder of ME-SFI [ME] control unit (1)    
8 Remove ME-SFI control unit (1) upward with bracket    
9 Perform sensor adaptation with diagnostic system When installing a new ME-SFI [ME] control unit (1).  
10 Unfasten transport protection from ME-SFI [ME] control unit (1) When installing a new ME-SFI [ME] control unit (1).  
11 Personalize and activate ME-SFI [ME] control unit (1) When installing a new ME-SFI [ME] control unit (1).  
12 Remove screw/bolts (9) from bracket and remove bracket (9) When installing a new ME-SFI [ME] control unit (1).  
13 Remove screw/bolts (10) from bracket and remove bracket (10) When installing a new ME-SFI [ME] control unit (1).  
14 Install in the reverse order    
INSPECT Check     
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
15 Carry out an engine test run