1991 300E - Which spark plug is right??? - PeachParts Mercedes-Benz Forum

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1991 300E - Which spark plug is right???

03-09-2014, 01:50 AM

Ivanerrol

Registered User

Join Date: Jan 2008

Location: Melbourne Australia

Posts: 845

Sorry last week I had to pull the resistor plugs out of my W202 as they were causing a slight misfire when cold. Plugs were only 12,000 kilometers old.

Installed correct NGK copper non- resistor plugs - BCP6ESF all is now well.

These same plugs are the correct variant for a M103, early KE M104.

NGK BCP6ESF. If you do a lot of stop start traffic you can install the BCP5ESF

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