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Matt, Engineer
Category: Mercedes
Satisfied Customers: 20374
Experience:  Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing
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Change key batteries but dònt work

Customer Question

change key batteries but dònt work
Submitted: 2 months ago.
Category: Mercedes
Expert:  Matt replied 2 months ago.


try this procedure

1. Place the key into the ignition lock and turn to position 2

2. Extract the key from ignition lock

3. Within 10 seconds:
press (close) pushbutton, hold and simultaneously press (open)
pushbutton five times one after the other release pushbuttons and then
press one of the two pushbuttons once