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Home >> Mercedes Benz >> 2021 >> S580 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine -- Mixture Formation (2 Of 3) -- 223 Chassis >> Testing & Repair >> Remove/Install Engine Management Control Unit >> Remove/Install Engine Management Control Unit / ME-SFI - AR07.08-P-1000SB
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Remove/Install Engine Management Control Unit / ME-SFI - AR07.08-P-1000SB

Engine 256 in model 223 

Fig 1: Engine Management Control Unit / ME-SFI Components Location - Model 223 With Engine 256
G16190002Courtesy of MERCEDES-BENZ USA
Notice  Notes on avoiding damage to ignition system   AH15.10-P-0002-01V
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Start control unit replacement with vehicle diagnosis system. When replacing engine management control unit (N3/10).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3 Disconnect ground line from on-board electrical system battery.   AR54.10-P-0051S
4 Remove upper engine cover.    
REFER TO MAINTENANCE     AP01.10-P-2405-01OB
5 Remove screws (1). TORQUE SPECIFICATION Bolt, ME-SFI control unit to air filter housing *BA09.10-P-1002-01MRT 
6 Release and disconnect electrical connectors (2).    
7 Remove engine management control unit (N3/10). INSTALLATION IMPORTANT : Check the condition and correct seating of the seal in air filter housing.  
8 Install in the reverse order.    
  Concluding tasks     
9 Connect diagnostic system, read out fault memory and clear if necessary.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
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
10 Conduct engine test run while checking for proper operation of the engine.    
AIR CLEANER HOUSING

Number Designation Engine 256
BA09.10-P-1002-01MRT Bolt, ME-SFI control unit to air filter housing Nm 6