Ml 320 Spark Plugs
Trying to change the plugs on my 1999 ml320 and having some difficulty. I'm using a long bar plug spanner but am having to exert quite unusual force to free the plug and I don't want to break something. I wondered if somehow the conventional spanner is jamming. Is there a special plug spanner required or will I just have to force the issue? Any constructive help appreciated . . .
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