"installed a hydrogen fuel cell which allows me to get 47 MPG on the open highway"

It is all bogus. Mythbuster on Discover Channel verifies that none of the increase mpg gadgets works. It is not so much I believe Discover Channel, it is because if it works then auto company would have installed them and brag about it.

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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.