Thread: Head gasket M103 300SE
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Old 02-02-2018, 11:06 PM
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Hit Man X Hit Man X is offline
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Quote:
Originally Posted by Jorn View Post
Was already wondering about the cold shifts, what was the reason by Mercedes behind this?


Catalyst light off probably. I do not recall the '89s having that as they had precats, my '90 does not have precats and a large cat. '90+ also received the AIR pump as well as the EGR.
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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