with the button on the drivers door? How do you get in the car without keys though?
Unfortunately I know the answer to this, contact dealership and order another key.
The Mercedes keys will.
Number for lost keys
No there isn't one except for timing
The duration of The Legend of the Lost Keys is 1200.0 seconds.
The only way to remove the keys locked in a Mercedes C200 2010 is to take the backseat out or call a locksmith.
Ebay
The Legend of the Lost Keys ended on 1998-03-23.
The Legend of the Lost Keys was created on 1998-01-12.
Locksmith
Lost ignition keys for newer vehicles can be obtained from the vehicle dealership. Lost keys for a 1978 Honda Accord will require the replacement of the ignition.