Mercedes Benz Atego 2006 Help

[slicvic8425]

Could anyone please help me on this mileage adjustment ?
Mercedes benz Atego 2006 93c86 in cluster, couldn't find a tachograph, it has currently 645,411km, need it to be around 310,000km

attached is 93c86 in dash


307146


Thanks to all in Advance that can help !!!!!!!!11

[slicvic8425]

Anyone please

[slicvic8425]

please can anyone help me on this ,or any other info will be appreciated , location of mileage in other control units.

thank you

[d.zio]

atego km location to tachograph