S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Mileage different on trip computers

Old Jan 16, 2026 | 11:01 PM
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2007 Mercedes C280 4matic
Mileage different on trip computers

The trip computer mileage you can reset on the main mileage display is different than the “from reset” mileage display. I reset both at the same time. Why is this?
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Old Jan 17, 2026 | 06:07 AM
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?

there is the overall odometer - storing the total distance the vehicle has covered - without factoring fiddly fingers or replacement with secondhand parts (this is also stored in a number of other components and where legit all should match).

then you have two separate trip recorders you can reset independently - these record the current trip and carry on counting again for this trip if you do key out for less then x (about 2 hrs)

if you never reset the display of the short term trip you are using (1 or2) - as shown below the odometer - it will be a cumulative result for ave mpg and distance etc.
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Old Jan 17, 2026 | 11:49 AM
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W204 2010 C300 4matic Sport M272
There should be two. After start and after reset. Are you saying you are seeing a 3rd trip counter?



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Old Jan 17, 2026 | 02:37 PM
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2007 Mercedes C280 4matic
I am talking about the after reset display and the trip display below showing 0.2 miles. This is a generic photo, not from my car. I am talking about numbers above 1 mile. They are different mileages after resetting at the same time.


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Old Jan 17, 2026 | 05:25 PM
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Originally Posted by Guernz
I am talking about the after reset display and the trip display below showing 0.2 miles. This is a generic photo, not from my car. I am talking about numbers above 1 mile. They are different mileages after resetting at the same time.
They are going different places.

Choose something else to obsess about.
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