Mercedes-Benz Forum banner

spark plugs

806 Views 3 Replies 3 Participants Last post by  Streetglower
yes i replace the sparkplug on my e 420 and forgot how to but the coils where they belongs sign help
1 - 1 of 4 Posts
if you look at the coil you will see 2 letters, a and b then on the valve cover at each cylinder you will see A and B, the wires on each coil need to go into the corrosponding cylinder. A to A, B to B, understand.
1 - 1 of 4 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.