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who makes OEM spark plugs for benz?

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Old Sep 9, 2004 | 08:15 PM
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who makes OEM spark plugs for benz?
Is it bosch, ngk, or denso? someone told me it was NGK iridium plugs? Can anyone confirm this?
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Old Sep 9, 2004 | 09:57 PM
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Originally Posted by sunman
Is it bosch, ngk, or denso? someone told me it was NGK iridium plugs? Can anyone confirm this?
I am 95% sure it is Bosch.
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Old Sep 10, 2004 | 01:24 AM
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From: da rock
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i would say bosch because they make most of the parts for german cars. When i go into my dads shop and look at all the parts that he installs and the old parts takin out of other mercedes all i see is bosch on them. i think its safe to say bosch. Bosch got these new four prong spark plugs that are supposed to be really good, u should try those.
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Old Sep 10, 2004 | 01:25 AM
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For particular models it is Bosch and for others its NGK. If I remember correctly from the manual the C230K is Bosch.
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Old Sep 10, 2004 | 11:05 AM
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Originally Posted by sunman
Is it bosch, ngk, or denso? someone told me it was NGK iridium plugs? Can anyone confirm this?
You are correct about the NGK's.

I got my Mechanic to take out the OEM spark plugs from my 2002 C230 Sport Coupe because I wanted to replace the OEM plugs with the NGK Iridiums. Turns out that the OEM sparks plugs are already NGK Iridiums designed specifically for Mercedes.
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