FixVault

Remove/Install Fuel Pump Control Unit - AR47.20-P-5717MNI

Engine 177 in model 290 

G16559532Courtesy of MERCEDES-BENZ USA
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Remove seat cushion in rear passenger compartment. Model 290 with engine 177
except code 568 (3-seater rear bench seat)
AR91.12-P-1021FRX
    Model 290 with engine 177
with code 568 (3-seater rear bench seat)
AR91.12-P-1021FR
3 Release engagement (2) and unclip fuel system control unit (N118) from bracket (1).    
4 Release and disconnect electrical connectors (3).    
5 Install in the reverse order.    
6 Connect vehicle diagnosis system and perform commissioning of fuel system control unit (N118). Only when replacing the fuel system control unit (N118).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
7 Read out and delete fault memory.    
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
8 Perform engine test run.