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post #1 of 2 (permalink) Old 02-07-2012, 02:50 PM Thread Starter
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new member C220CDi mpg?

Hi members, bought a C220CDi on 2006 plate last year, drives fine, no problems except mpg. Reading the postings it seams like I am getting similar economy to everybody else but when compared to other manufacturers its really POOR.
I have really struggled to get any proper technical info as to why this should be and cant believe that MB owner is so rich they dont care. I cant believe other manufacturers know something MB dont, Comparing my C Class to a Peugeot of similar size body and engine, thepug gets 50mpg (imperial galls) when am getting mid 30's.
Its a nice car but I will not be buying another automatic (ever), nor will I be buying another merc (ever).
The only explanation I have for the poor mpg is that the energy is going down the exhaust pipe (as heat) as everything else is similar :-weight / large tyre size / electric everything / air con / heated seats / etc. So could the injector timing be out and its firing late / retarded and making heat instead of momentum? how could you check this or change it.
As we say in England.....Answers on a post card please.
Gary Smith.
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post #2 of 2 (permalink) Old 02-08-2012, 03:15 AM
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