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How do i change the spark plugs on a mercedes E430 1999

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  • ann thracks Feb 16, 2012

    im having trouble finding the right tools and how to remove them



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It is a bit of a chore, but no real tricks involved. Just lots-o-tight spaces.

You will need a few special tools, including a slim profile spark plug socket.
I used a Stahlwille socket#51, a 16mm socket with rubber insert.

A T27 Torx bit and a Low Range torque wrench (for the Torx screws- 8Nm),
and a regular range torque wrench for the Spark Plugs (28 Nm).

Another tool that made the job easy, was MB part# 110 589 01 01 00, aka
Hazet # 2771. You use the wrench to pry the spark wire off the plug.

Other helpful items were 3" and 5" extensions, and a U-Joint.

In all, it took around 3 hours. A preatty straight forward procedure.

Although the coils and plug/block areas ARE marked with A & B, I was paranoid, and just did one plug/plug wire at a time, JUST IN CASE!

Posted on Feb 16, 2012


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