If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered .
■ Take the mechanical key out of the SmartKey .
■ Insert the mechanical key into the lock of the driver's door as far as it will go.

1 To unlock X Turn the mechanical key counter-clockwise to position 1.
The door is unlocked.
■ Turn the mechanical key back and remove it.
■ Insert the mechanical key into the SmartKey.
Rear-view mirror
X Adjust the rear-view mirror by hand so you
have a good overview of the traffic
conditions behind you. ...
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Registered trademarks:
• Bluetooth® is a registered trademark of
Bluetooth SIG Inc.
• DTS is a registered trademark of DTS, Inc.
• Dolby and MLP are registered trademarks
of DOLBY Laboratories.
...
Warranty
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet.
Your authorized Mercedes-Benz Center will
replace and repair all factory-installe ...