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alexander.foti · 04-29-2017, 05:54 PM

Hi all

I have done a few things to make my car (2003 Mercedes C220 CDI coupe) more efficient.

Run Tyres at max sidewall pressure
Stop/Start buttons to allow for maximum EOC and no idling at traffic lights.
keep the car empty most of the time
run with the AC off
80% Grill block
Recently serviced with thinnest oil that meets spec (0w-30)
Warm air intake.

I do a fair few local journeys, and my last tank avg was 49 Imp MPG.

By stopping the engine at red lights and using the buttons has improved my town mileage by around 8-15MPG!

I am thinking of installing a Webasto diesel fired fuel heater. This will allow me to pre-heat my engine to 88Deg C using very little diesel. This should help for the smaller journeys and can be done with a remote control.

I am also going to be putting insulation blankets on top of the engine to keep it warm.

I am getting 65-75 Imp MPG on my common motorway journeys (mostly M25 so not exactly flat).

Is there anything I can do that I am missing to push that to 80-85mpg?

04-29-2017, 05:54 PM	#1 (permalink)
alexander.foti EcoModding Lurker Join Date: Nov 2008 Location: London UK Posts: 95 Thanks: 3 Thanked 7 Times in 4 Posts	Ideas and guidance Hi all I have done a few things to make my car (2003 Mercedes C220 CDI coupe) more efficient. Run Tyres at max sidewall pressure Stop/Start buttons to allow for maximum EOC and no idling at traffic lights. keep the car empty most of the time run with the AC off 80% Grill block Recently serviced with thinnest oil that meets spec (0w-30) Warm air intake. I do a fair few local journeys, and my last tank avg was 49 Imp MPG. By stopping the engine at red lights and using the buttons has improved my town mileage by around 8-15MPG! I am thinking of installing a Webasto diesel fired fuel heater. This will allow me to pre-heat my engine to 88Deg C using very little diesel. This should help for the smaller journeys and can be done with a remote control. I am also going to be putting insulation blankets on top of the engine to keep it warm. I am getting 65-75 Imp MPG on my common motorway journeys (mostly M25 so not exactly flat). Is there anything I can do that I am missing to push that to 80-85mpg?