Fuel economy

I want more mpg from my Mercedes-Benz E320 CDI - is a bolt on chip the way to go? Some manufacturers say they improve mpg by 20% but is it true?

Asked on 18 March 2012 by deprince

Answered by Honest John

Maybe, maybe not. But you can bank on paying another £200 + for your insurance and you have to declare it. A better answer is a better fuel. I always got best mileage out of BP Ultimate diesel.

Tags: fuel economy

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