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Home >> Mercedes Benz >> 2007 >> S550 Base >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation -- Testing & Repair -- S-Class (221) >> Testing & Repair >> Remove/install fuel distributor with injection valves (ME-SFI) - AR07.03-P-1451H

Remove/install fuel distributor with injection valves (ME-SFI) - AR07.03-P-1451H

ENGINE 275 in MODEL 215, 216, 220, 221, 230 

ENGINE 285 in MODEL 240 

Shown on engine 285 

Fig 1: Identifying Bracket For ECI Power Pack, Check Valve, Hose And Throttle Valve Actuator
G07618655Courtesy of MERCEDES-BENZ USA

Shown on engine 285 

Fig 2: Identifying Fuel Distributor With Injection Valves Components
G07618656Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Filler Neck, Brackets, Fuel Rail And Fuel Feed Line
G07618657Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning  caused by swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
DANGER Risk of death  caused by contact with parts conducting high voltages. Do not touch parts which conduct high voltages. Persons who wear electronic implants (e.g. heart pacemakers) should never perform any work on the ignition system AS15.10-Z-0001-01A
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel. No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
1 Remove intercooler   AR09.41-P-6817HH
2 Remove ECI power pack   AR15.15-P-2093H
3 Remove purge line (1) on bracket (2) of ECI power pack and take hose (3) off check valve (71) TORQUE SPECIFICATION *BA15.15-P-1005-01A
4 Remove bracket (2) of the ECI power pack TORQUE SPECIFICATION *BA15.15-P-1004-01A
5 Remove the throttle valve actuator (M16/6)   AR30.20-P-1262H
6 Unscrew screws (4) from cable channel (5) on charge air manifold (6) TORQUE SPECIFICATION *BA09.41-P-1005-01G
7 Remove cable tie (arrow)    
8 Disconnect electrical plug connector from right hand refrigerant compressor and cable tie Model 240  
9 Detach electrical connector from ignition module ECI, for right and left cylinder bank (N92/1, N92/2)    
10 Remove ground connections (7) TORQUE SPECIFICATION *BA09.41-P-1006-01G
11 Unplug electrical plug connection from coolant temperature sensor (B11/4)    
12 Unplug electrical plug connection from pressure sensor after throttle valve actuator (B28/7)    
13 Unplug electrical plug connection from charge air temperature sensor (B17/8)    
14 Unplug electrical plug connections from divert air switchover valve (Y101) and air pump switchover valve (Y32) on cylinder head    
15 Unplug electrical plug connection from charge air regulation pressure transducer (Y31/5) on cylinder head    
16 Detach electrical connectors from camshaft Hall sensor, for right and left cylinder bank (B6/2, B6/3)    
17 Unplug electrical plug connections (8) of fuel injectors    
18 Remove the filler neck (9) and water pipe (10) with bracket (11) TORQUE SPECIFICATION *BA09.41-P-1002-01G
19 Place electrical wiring harness to the side.    
20 Remove bracket (12) on the right hand side TORQUE SPECIFICATION *BA01.30-P-1005-01G
21 Remove fuel feed line (13) from fuel distribution rail (14) TORQUE SPECIFICATION *BA07.52-P-1002-01E
22 Remove bracket (15) on left hand side TORQUE SPECIFICATION *BA01.30-P-1005-01G
23 Remove fuel distribution rail (14) with fuel injectors and lift off charge air manifold (6) INSPECT Check O-rings on fuel injectors for damage. Replace a fuel injector if O-ring is faulty.
IMPORTANTInstallation:  before installing fuel distributor rail (14), lubricate O-rings on fuel injection valves.
 
    TORQUE SPECIFICATION *BA07.52-P-1003-01E
INSPECT Checking     
24 Check fuel injection valves with STAR DIAGNOSIS COMMERCIALLY AVAILABLE TOOLS *WH58.30-Z-1048-13A
    IMPORTANT Defect injectors must be replaced: ↓Remove/install fuel injection valves AR07.03-P-6520H 
25 Install in the reverse order    
IGNITION SYSTEM ECI

Number Designation Engine 275, 285
BA15.15-P-1004-01A Bolt, bracket for ECI ignition system power pack to charge air manifold Nm 8
BA15.15-P-1005-01A Bolt, bracket of purge line to bracket for ECI ignition system power pack Nm 8
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 275, 285
BA09.41-P-1002-01G Bolt filler neck for low temperature water circuit to bracket Nm 8
BA09.41-P-1005-01G Bolt, cable duct to charge air manifold Nm 8
BA09.41-P-1006-01G Bolt, ground line to charge air manifold Nm 8
FUEL DISTRIBUTOR

Number Designation Engine 275, 285
BA07.52-P-1002-01E Union nut connecting fuel feed line to fuel distributor Nm 20
BA07.52-P-1003-01E Fuel distributor to charge air manifold Nm 8
CYLINDER HEAD

Number Designation Engine 275 Engine 285
BA01.30-P-1005-01G Bolt, bracket to cylinder head M7 Nm 14 14
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1048-13A STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00