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Removing and installing ignition coils - AR15.12-P-2003E

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ENGINE 119.97 

Model 129 illustrated 

Fig 1: Identifying Ignition Coils Components (Engine 119.97)
G04678734Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig. item, etc. Work instructions    
DANGER Hazard  from contact with parts conducting high voltages Do not touch parts conducting high voltages. Persons who wear electronic implants (e.g. heart pacemakers) must not carry out any work on the ignition system. AS15.10-Z-0001-01A 
NOTES Notes on avoiding damage to the ignition system Engine 104, 111, 112, 113, 119, 120 with MESFI fuel injection and ignition system AH15.10-P-0002-01D 
    Engine 103, 104, 119 with CFI fuel injection system AH15.10-P-0002-01E 
    Engine 104, 119, 120 with LH-SFI fuel injection system AH15.10-P-0002-01F 
IMPORTANT Ignition coil (T1/2) Model 124   
Remove left intake scoop
Remove left alarm system horn
Model 140 
Remove left headlamp, see Repair Instructions Electrical System II Model 140
Op. no. 82-4730
AR09.10-P-8221EA
29 Cover of ignition coils take off  
T1/1, T1/2 Ignition coils terminal 1: M5 connection thread
terminal 15: M6 connection thread