See also:

Setting the airflow
Dual-zone automatic climate control •► Turn the SmartKey to position 2 in the ignition lock. •► To increase/reduce: press button 11 up or down 3-zone automatic climate control • ...

Interior
As much as I like how the CL looks from the outside, it's on the inside that Mercedes outdoes the competition: Everything you see or touch looks and feels good. If I shelled out the cash for a CL, ...

Closing
Replace the fuel filler cap and turn it clockwise. The fuel filler cap audibly engages. Close the fuel filler flap. If you drive with the fuel filler cap open, reserve fuel warning lamp ...