Thread: What if the 603 was a "618"?????
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Old 04-25-2005, 08:52 PM
tesavage tesavage is offline
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Join Date: Jan 2002
Location: St Louis
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The 617 (in original N/A form) was just a 616 with an extra cylinder. The 616 was just a 615 (2.0L & 2.2L) with extra displacement. The 603 was a completely new design, so it got a completely new designation. As to why the 3.5L version wasn't called the 604, well, that's Mercedes for you...

Tom
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