My positions on ignition 1 and 2 are the same.When I turn key to 1st position, all accessory light come on. This does not allow me to follow your instructions. Would you know the cause?
Hi, recently I got an 03 E500, tried to get in this hidden menu by pressing 3 times reset button, didn t work. Any one knows what might be the problem and is there any other way to get in to this menu so I could check battery? Thanks
How many voltage is needed to jumpstart your Mercedes battery when you re charging it
Is there a way to check the auxiliary battery this way?