Hi guys. I have been given a 1985 280SE Grey market car. I do believe the plugs have been fouled. i am about to replace the plugs but cannot find the gap needed for my new plugs. I have the M110 Mercedes book but cannot seem to locate the spec. I am sure it is in there somewhere...What is the recommended gap for a bone stock 1985 280SE?

I did find some info on an 81 280SE. It said the gap would be .032". Any coorelation there from an 81 to an 85???

The Owner's Manual should list the proper spark plug and gap. Best to use only the spark plugs that MB specifies.

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Fred Hoelzle

Just curious - what document or label has the spark plug part number but not the gap?

Sixto
87 300D

Yes back then they were all .032, .8mm

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thanks for the info. I appreciate it. I just took an old plug out , went to autozone and matched it. So thats how I got the plug.