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Old 02-15-2001, 09:51 PM
Agron80 Agron80 is offline
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Join Date: Mar 2000
Posts: 217
M.B. Doc:

I just changed all 6 of my spark plugs on my 300E, with Bosch H9DC. The previous plugs were the Bosch H9DCO that I put in last summer. The H9DC's say their made in Germany--not India. So whats the difference anyway between H9DC and H9DCO?? Will the H9DC plugs that I put in harm my engine in anyway??? I've heard that these H9DC were made in India, but mine had the words engraved on the plug "Made in Germany".

1989 300E ("E 300"-Badged)
Monotoned Astral Silver w/ rear lid deck panel
97 Style Replica E420 Rims 205/55/16
Euro Headlights
Clear Corners
94/95 Taillights
Black Grille Insert
Chrome Exhaust Tips
20% Tint
Pioneer Sound system w/ Sub-enclosure and CD-changer
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