Quote:
Originally Posted by nhdoc
But, I wondered if Bosch is making the standard plugs for M-B and selling the yttrium plugs aftermarket now or would the plugs I get from the dealer still be exactly the same as these (with yttirum).
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I don't believe that Bosch makes the standard plugs just for MB. Last February I went to my local dealer to buy Bosch H8DC0 plugs for my 190E and they sold me the plugs in the normal Bosch packaging that is at all the auto parts stores. I went to buy some spare plugs from the dealer last month and the plugs were in the standard MB brand boxes with MB part numbers. I opened up the boxes and they were Champion plugs. I asked, "You don't sell Bosch spark plugs anymore?" His response was, "Those are Bosch." Then I showed them to him and he was surprised that they were Champions, but those are the only plugs they sell for my vehicle now.
I don't have any problem with Champion plugs. I've used them in my speedboat for years and have never had any issues with them. I just like to stick with OEM brands whenever possible. Anyway, that was my experience with my dealer and the spark plug issue.