See also:

Removing the mechanical key
Removing the mechanical key Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehicle ...

Vehicle Overview
Mercedes-Benz’s lowest-priced sedans get several enhancements for the 2003 model year, but full details have not yet been released. A C320 wagon joined the C-Class lineup for 2002. Later came a ne ...