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Home >> Mercedes Benz >> 2021 >> E350 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Mixture Formation - 213 Chassis 3 Of 5 >> Testing & Repair >> Remove/Install Engine Management Control Unit (MCM) >> Remove/Install Engine Management Control Unit (MCM) - AR07.08-P-7013MRD
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Remove/Install Engine Management Control Unit (MCM) - AR07.08-P-7013MRD

Engine 274.9 in model 213 

Engine 274.9 in model 238 

Shown on engine 274.9 in model 213 

(except 213.050) 

Fig 1: ME-SFI[ME]/Engine Management Control Unit (MCM) Components Location - Engine 274.9 In Model 213
G13744495REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSINSPECTREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSWARNINGCourtesy of MERCEDES-BENZ USA
  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 Perform commissioning of ME-SFI control unit (N3/10). When replacing the ME-SFI [ME] control unit (N3/10).  
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 274.9 in model 238 AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 274.9 in model 213 AD00.00-P-2000-04B
2 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
3 Release and disconnect vehicle wiring harness (1) from the ME-SFI control unit (N3/10).    
4 Release and disconnect engine wiring harness (2) from the ME-SFI control unit (N3/10).    
5 Open retaining clips and remove ME-SFI control unit (N3/10) upward.    
INSPECT Check     
6 Check bracket of the ME-SFI control unit (N3/10) for damage. If there is a problem,

replace bracket of the ME-SFI control unit (N3/10).
 
7 Install in the reverse order.    
8 Read out and delete fault memory.    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 274.9 in model 238 AD00.00-P-2000-06LWO
REFER TO SELF-DIAGNOSTIC SYSTEMS   Engine 274.9 in model 213 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
9 Conduct engine test run while checking for proper operation of the engine.