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Home >> Mercedes Benz >> 2000 >> S430 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Electrical System - Engine - 215 & 220 Chassis >> Testing & Repair >> Remove/install ignition coil module - AR15.12-P-1100 >> Remove/install ignition coil module - AR15.12-P-1100L

Remove/install ignition coil module - AR15.12-P-1100L

ENGINE 137.970 in MODELS 215.378, 220.178 /878 

Fig 1: Identifying Ignition Coil Module Remove/Install - Engine 137.970 In Models 215.378
G04840223
REMOVING Remove     
DANGER Risk of death  caused by contact with parts conducting high voltages. Do not touch parts which conduct high voltages. Persons who have electronic implants (e.g. pacemakers) must not perform any work on the ignition system. AS15.10-Z-0001-01A 
1 Remove air cleaner   AR09.10-P-1050L
2 Unplug connector (arrow) of electrical connection of cylinder shutoff valve 7-9 (Y80/1) IMPORTANT When removing the left ignition module.  
3 Unplug connector (arrow) of electrical connection of ECI ignition module (N92/1, N92/2)    
4 Release fuel pressure through service valve IMPORTANT Collect fuel.  
    SPECIAL TOOL Fig 2
    SPECIAL TOOL Fig 3
5 Remove complete fuel feed line IMPORTANT When removing the left ignition module. Collect fuel.
NOTESRemoval:  It is not permissible to bend fuel feed line out of the way. There is a risk of splits forming at the fuel rail, and also at the fuel feed line.
 
6 Separate plug connections of sensors   AR14.00-P-5303L
7 Unscrew bolts (1, 2, 3, 4 and 6)    
8 Loosen bolts (5)    
9 Lower shield (7)    
10 Pull ECI ignition module (N92/1, N92/2) evenly off the spark plugs SPECIAL TOOL Fig 4
INSTALLING Install     
11 Fit ECI ignition module (N92/1, N92/2) onto the spark plugs and press on evenly by hand until the dowel pins are located in the guides NOTESInstallation:  Do not strike the ignition module; otherwise, there is a risk of damaging it. The gaskets of the ignition modules to the spark plugs must be replaced each time they are removed. Make sure that the spark plug connector lugs (8) are not bent to the inside. They must be in contact with the spark plug bore (cylinder head).  
    SPECIAL TOOL Fig 5
12 Install shield (7) TORQUE SPECIFICATION *BA15.12-P-1003-01D 
13 Slightly tighten bolts (1, 2, 3, 4 and 6) alternately    
14 Slightly tighten bolts (5)    
15 Fully tighten bolts (1, 2, 3, 4 and 6) alternately NOTES Specified torque value must be strictly observed.  
    TORQUE SPECIFICATION *BA15.12-P-1001-01D 
16 Tighten screws (5) NOTES Specified torque value must be strictly observed.  
    TORQUE SPECIFICATION *BA15.12-P-1002-01D 
17 Fit together plug connections of sensors   AR14.00-P-5303L
18 Install fuel feed line (17/2) completely TORQUE SPECIFICATION *BA07.52-P-1001-01A 
19 Plug on connector (arrow) of electrical connection at ECI ignition module (N92/1, N92/2)    
20 Plug in connector (arrow) of electrical connection of cylinder shutoff valve 7-9 (Y80/1)    
21 Install air cleaner   AR09.10-P-1050L
22 Read out fault memory and erase if necessary Stored faults possibly caused by previous simulation or by cables disconnected in the process of installation or testing must be processed and erased in the DTC memories once all work is completed. See ↓ STAR DIAGNOSIS  
TORQUE SPECIFICATION ECI IGNITION SYSTEM

Number Designation Engine 137
BA15.12-P-1001-01D Bolt of ignition coil module to cylinder head Nm 8
BA15.12-P-1002-01D Bolt of bracket to ignition coil module Nm 8
BA15.12-P-1003-01D Bolt of shield to cylinder head Nm 8
TORQUE SPECIFICATION FUEL RAIL

Number Designation Engine 137
BA07.52-P-1001-01A Fuel feed line to fuel distributor Nm 38
Fig 2: Identifying Tester (103 589 00 21 00)
G04840224
Fig 3: Identifying Pressure Hose (119 589 04 63 00)
G04840225
Fig 4: Identifying Puller (137 589 00 33 00)
G04840226
Fig 5: Identifying Puller (137 589 01 33 00)
G04840227