Press the button with the clock on 3 times to pull up the service miles, hold button down turn of ign and back on while still holding button still, it will beep and say reset!
Welwyn Merx Limited is a family run business with genuine passion, dedication and 25 years of experience dealing with Mercedes-Benz and AMG passenger cars. Tel: 01707 395999www.welwynmerx.uk
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