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E350 CDi Fuel Consumption

  #1  
Old 06-06-2010, 01:08 PM
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Question E350 CDi Fuel Consumption

Hi All. I'm new to this so bear with me if this question is already covered elsewhere.

I have a new E350 CDI avantguard since July 2009. Despite my best efforts I cannot get anywhere near the fuel consumption figures claimed. The trip computer is also about 4mpg optimistic.

I previously owned an E300TD and the consumption figures were similar. A vehicle health check has not revealed any problems. Has anyone else experienced this or better results.

I get 40mpg at 70mph and combined about 32mpg.

Otherwise the car is great

Chris
 
  #2  
Old 06-09-2010, 02:01 PM
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Post Thanks All

Thanks for all the comments. Maybe I should not be complaining - it is a great car. But the documentation suggests 50mpg on highways and 40mpg combined. I'm generally 10mpg lower than expected which concerns me and I wondered about others experiences on that model.

The figures (measured by refilling the fuel tank) are averaged over approx 6oo miles and are consistent from one refill to the next. I do about 50% highways and 50% town roads - but very little stop-start. I am generally a very economical driver and usually exceed manufacturers figures by about 10% but not this time.

As economy is a big feature of the Bluefficiency models I was expecting to achieve rather better consumption than I got from my last E300TD - however that was a great motor I will readily admit. But if it was so good - why not stick with it? It was unbreakable and a hoot to drive fast or economically.

Any more thoughts guys (and gals)

Chris
 
  #3  
Old 06-09-2010, 02:03 PM
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Cool By the way

Oh! and by the way, I'm in the UK and talking about English gallons (ie 4.55litres) not US gallons. I forgot you guys get short changed at the pumps
:-)
 
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