350 SD Number? - Mercedes-Benz Forum

 
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post #1 of 4 (permalink) Old 06-11-2007, 01:59 PM Thread Starter
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Question 350 SD Number?

At a recent MBCA event, I was asked the number of the engine in my 350 SD. I have no idea. I assume the question went to a generic number rather than the specific production number. I would appreciate knowing the answer if there is one.

Last edited by David Newbern; 06-11-2007 at 02:00 PM. Reason: error in number
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post #2 of 4 (permalink) Old 06-11-2007, 07:07 PM
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A 350SD has an "M603.97". The dot 97 is important as there are a couple of other M603's that are known for having a stronger bottom end. Those other models are the M603.96 (used in W124 based 300D/300TD) and the M603.961 (used in the W126 based 300SDL).
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post #3 of 4 (permalink) Old 06-11-2007, 07:28 PM
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Quote:
Originally Posted by MarcusF
A 350SD has an "M603.97". The dot 97 is important as there are a couple of other M603's that are known for having a stronger bottom end. Those other models are the M603.96 (used in W124 based 300D/300TD) and the M603.961 (used in the W126 based 300SDL).
Diesels are called "OM", only gasoline models use the "M" designation.

1981 300SD DB881 ext./code #236 leather int. aka: thistle green ext./olive int.
1982 300D, DB877 ext./code #135 mb-tex int. aka: petrol green ext./creme int.
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post #4 of 4 (permalink) Old 06-11-2007, 08:40 PM
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It's a pretty odd question from anyone not trying to specify a part for you, but you'll find your 14-digit engine number toward the top of your block near the injection pump. BTW, welcome to BenzWorld!

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