See also:

Adjusting the climate mode settings (AIR FLOW)
This function is only available with 3-zone automatic climate control. The climate mode settings are especially effective at high temperatures. You can select the following climate mode settin ...

ATTENTION ASSIST Warns Drowsy Drivers
Drowsiness is one of the most common causes of accidents. This is why Mercedes experts have developed the ATTENTION ASSIST system which forms part of the standard equipment of the new Mercedes CL- ...

SmartKey
Display messages Possible causes/consequences and Solutions You have put the wrong SmartKey in the ignition lock. – Use the correct SmartKey. The Sma ...