P0357 MERCEDES-BENZ – Ignition Coil 7 Primary/Secondary Circuit Malfunction

 

P0357: DIY Repairing Video Tutorial

https://youtu.be/1hXgBVl_NuM

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0357 MERCEDES-BENZ Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Lack/Loss of Power,Engine may be harder to start,Engine hesitation,Rough engine idle  

P0357 MERCEDES-BENZ Possible Causes

  Faulty Ignition Coil 7,Ignition Coil 7 harness is open or shorted,Ignition Coil 7 circuit poor electrical connection,Faulty Engine Control Module (ECM)  

P0357 MERCEDES-BENZ Description

  The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.