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Remove/install ignition coils - AR15.12-P-2003MCU

ENGINE 132.910 in MODEL 451.3/4 

Fig 1: Identifying Ignition Coils Remove/Install Components
G10978142Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of death  caused by contact with parts conducting high voltages. Do not come into contact with parts that are under high voltage. Persons who have electronic implants (e.g. pacemakers) must not perform any work on the ignition system. AS15.10-Z-0001-01A
1 Withdraw ignition key    
2 Remove interior flap above engine   AR88.40-P-1100-03MCC
3 Unlock electrical connector (1) at respective ignition coil (T1/1, T1/2, T1/3) and disconnect    
4 Remove bolt (2) respective ignition coil (T1/1, T1/2, T1/3) TORQUE SPECIFICATION *BA15.12-P-1003-01G 
5 Remove ignition coils (T1/1, T1/2, T1/3)    
6 Install in the reverse order    
7 Read out fault memory    
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04MCC
ECI IGNITION SYSTEM

Number Designation ENGINE 132.9
BA15.12-P-1003-01G Bolt of ignition coil module to cylinder head Nm 10