my c180 key operated central locking is causing problems.the key will only operate drivers door.but even with all door buttons up,car wont start can i bypass immobilisor? and does anyone know what problem could be?
If you have the single button key as on my C230 it has 2 batteries in the pop out section of the key they are CR2025.Also when you press the button can you briefly see the led flash, also look at other posts on here on how to check the key fob.