![]() They need to match the letters on the engine. They will have letters A and B and you will see the same letters on the engine block. They are there to help you avoid installing the wires incorrectly. If you look carefully at the ignition coil pack, you will see two letters. Note the position of the spark plug wires.If yours does break use self-locking cable ties to secure the electrical connector to the ignition coil. Note: The clip that holds the connector tight on the ignition coil can break very easily. Unplug the electrical connector from the coil pack. Remove the Torx bolt at the center of the ignition coil pack.Otherwise, you risk damaging the spark plug wire and the spark plug itself. For this step, you will need the spark plug wire removal tool that we listed above under the tools required. In our case, we have an eight-cylinder engine so you will see four coils on each side. You have three coils on the driver’s side and three coils on the passenger side on the six-cylinder engines. The engine cover is secured with four tabs most models don’t use bolts to hold it in place. It can easily be removed by grabbing the cover on both sides and lifting it. Ignition coils generate a very high voltage that can be hazardous and even cause death. Disconnect the negative terminal from the battery. Do not touch ignition coils or spark plug wires when the engine is running.Open the hood by pulling the hood release under the dashboard.Mercedes Ignition Coil (s) CLK ML SL S CL C G CLS SLK R-Class.Mercedes Benz M112 V6/M113 V8 Spark Plug Wire Removal Tool.How to replace the spark plug ignition coil on a Mercedes-Benz If you will replace all ignition coils (6 coils on V6, 8 coils on V8, 12 coils on V12), you will need a couple of hours. If you plan on replacing only one coil, you will need less than 30 minutes. Replacing Mercedes Ignition Coil Packs is easy. ![]() Check engine light will in most cases turn on. The car will run rough and the engine may shake extensively. These instructions apply to several Mercedes-Benz cars with V6, V8, and V12 gasoline engines.įailed ignition coils will cause engine misfire. Replacing Mercedes-Benz ignition coils is very easy if you have the right tools. This guide will help you to replace Mercedes ignition coil. ![]()
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