how to reset service reminder on 2008 ml 350 (service past due 12 days..ect.) on 2008 Mercedes-Benz ML350 4MATIC

i don't have $5500 lying around to buy a scanner to do just
that.plus it's for a friend,done in the garage.

Asked by for the 2008 Mercedes-Benz ML350 4MATIC
close the doors then open key engine off then push the knob on the left of the instrument cluster twice you will see the miles of how over due you are hold down the knob for ten seconds it will beep and you will see service in 1000k
2 answers
no scanner is needed to reset the FSS on Mercedes. the
instructions are in the owner's manual.