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Car Forum / Mercedes-Benz Cars / June 2005

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300D 2.5 Questions

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Geoff Miller - 28 Jun 2005 18:25 GMT
Why was the engine from the 190D 2.5 put into the 300D
in lieu of the 3-litre engine (617?) to make the 300D
2.5, and why wasn't this model sold in California?  

Was the W124 300D concurrently produced with the 3-liter?
Or did it return to the 3-liter engine after the 2.5 was
used for a time?

What's the rationale for having the engine breathe through
those slots on the right fender?  Why was this not used for
other MBZ diesel models since then?

Geoff

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"On the bright side, at least liberals have finally found
a group of people in Cuba whom they think deserve to be
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CaptainW116 - 28 Jun 2005 19:50 GMT
Cooler air flows faster than warm air generated in the engine bay
thus increasing throttle response and top end performance!If you ever
seen under the hood of boy racer cars,you will most likely see
the cone type air filter out in the open!Though it looks "cool",they
are causing air/fuel ratio errors due to the "hot air" being inducted
through their (airflow meter,airmass meter etc.....)and telling the ECU
the wrong information,resulting in lean running at higher RPMs'.
The cure for this is a cold air box,which isolates the air filter from
the engine heat.Okay,I'm rambling on,sorry,euro gearhead!

> What's the rationale for having the engine breathe through
> those slots on the right fender?
 
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