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Mileage and time not showing on dashboard after engine rebuild
Hello all,
I have a 2003 S 500 that I recently brought back to life. I rebuilt the motor and replaced every single suspension component (control arms, ball joints, tie rods, struts, compressor, valve block, etc.). I did an alignment on her at my shop and now she drives like a cloud, despite the fact that I have it sitting as low as possible with lowering links. I’m currently swapping out previous dingy grey interior with black. Will probably fix all body panels and paint the car after that.
Anyways, I’ve driven the car nearly 1000 miles since the rebuild. For some reason, the total mileage and time on the dash do not appear anymore. The car did sit for a long time during rebuild, not sure if that matters in this case. I haven’t replaced any modules, fuses, fuse blocks, or anything electrical besides the prefuse block in the passenger footwell.
Do you guys have any idea how I can get my mileage and time to display again? Examples of that I’m talking about are in the pictures.
Thanks in advance!
Last edited by Kenny Wayne; Nov 18, 2025 at 10:16 AM.
Was the dash disconnected for awhile while car moved? I think the other time a dash reads dashes like that is if ECU and odo have differing mileage. I think it requires being a few hundred different, not just a couple.
Was the dash disconnected for awhile while car moved? I think the other time a dash reads dashes like that is if ECU and odo have differing mileage. I think it requires being a few hundred different, not just a couple.
And are you also saying the clock isn’t working?
No I didn’t touch the dash at all while the car was immobile. Yeah the clock doesn’t display either. Both showed before rebuild. Didn’t replace the dash or any modules. I didn’t put a new motor either, just rebuilt the one that was in the car previous.
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