See also:

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 unattended in the ve ...

Handling, Ride & Braking
More a cruiser than a corner-carver, the C300 handles OK. Despite our tester's sport-tuned suspension, midcorner body roll can become intrusive, and the Continental ContiProContact all-season tire ...

Opening the DEF filler cap
The filler neck for DEF is behind the fuel filler flap. The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or with KEYLESSGO. - Swi ...