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Home >> Mercedes Benz >> 2021 >> GLA45 AMG >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Fuel System >> Engine - Mixture Formation -- 247 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Injection System (ME-SFI) Control Unit >> Remove/Install Injection System (ME-SFI) Control Unit - AR07.08-P-7008MFG
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Remove/Install Injection System (ME-SFI) Control Unit - AR07.08-P-7008MFG

Engine 139 in model 118, 177, 247 

Shown on model 177 

Fig 1: Injection System (ME-SFI) Control Unit Components Location - Engine 139 In Model 247 (Shown On Model 177)
G16053128REMOVINGINSTALLINGDIAGNOSTIC SYSTEMSIMPORTANTINSTALLATION IMPORTANTINSPECTDIAGNOSTIC SYSTEMSIMPORTANTDIAGNOSTIC SYSTEMSDIAGNOSTIC SYSTEMSWARNINGCourtesy of MERCEDES-BENZ USA
Topical note  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 Read out variant coding of the ME-SFI control unit (N3/10) with the diagnostic system. When replacing the ME-SFI [ME] control unit (N3/10).  
DIAGNOSTIC SYSTEMS   IMPORTANT Connect up diagnostic system and read data from ME-SFI [ME] control unit (N3/10) in diagnostic system.
INSTALLATION IMPORTANT Transfer stored data to new ME-SFI [ME] control unit (N3/10).
AD00.00-P-2000-06MFA
2 Switch off ignition.    
3 Disconnect electrical connectors (1) from the ME-SFI control unit (N3/10).    
4 Remove screws (2) and remove ME-SFI control unit (N3/10) from the air filter housing (3).    
INSPECT Check     
5 Check seal between air filter housing (3) and ME-SFI control unit (N3/10) for damage and replace if necessary.    
6 Install in the reverse order.    
7 Perform sensor adaptation with diagnostic system. When replacing the ME-SFI [ME] control unit (N3/10).  
DIAGNOSTIC SYSTEMS   IMPORTANT Menu guidance:
Engine control unit →
Adaptations →
Learning processes
AD00.00-P-2000-06MFA
8 Release transport protection of the ME-SFI control unit (N3/10) with diagnostic system. When replacing the ME-SFI [ME] control unit (N3/10).  
DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
9 Personalize ME-SFI control unit (N3/10) and activate. When replacing the ME-SFI [ME] control unit (N3/10).  
DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA
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 Perform engine test run.