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trip computer help

rom1

Active Member
Joined
Jul 11, 2013
Messages
295
Location
leicester
Car
Mercedes c220d cabriolet
Hello, hope someone can shed a bit of light on this.
When I bought the car the trip computer for since reset was reading 45.. MPG
and the start one was around 35.

Since then I reset both of them, now my start one is always around 30 - 32 have had it up to 42 on a short run.

But the since reset does not go up or down over 72 miles t has stayed at 30.01 MPG, the millage and time traveled go up but not the MPG, is this normal, or is my car only doing 30.01 MPG?

Also when I first start the car up the distance reading is around 140 but soon as I drive off it drops to 115 - 120.

I have tried driving on the after start display which goes up and down according to how I drive, and have also driven on the after rest display in the same way, it remains unchanged.

Everything else seems to be ok and it drives right, apart from a few niggles which the garage are putting right, mainly loose trim and knocking from suspension, so that shouldn't be lniked to this readout issue.

Many thanks Rom
 

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