Setting the glove box air vent
When automatic climate control is activated, the glove box can be ventilated, for instance to cool its contents. The level of airflow depends on the airflow and air distribution settings.
Close the air vent when heating the vehicle.
At high outside temperatures, open the air vent and activate the "cooling with air dehumidification" function. Otherwise, temperature-sensitive items stored in the glove box could be damaged.

1. Air vent thumbwheel
2. Air vent
•► To open/close: turn thumbwheel 1 clockwise or counter-clockwise.
See also:
SAFETY
The CLS550's two sets of lower Latch anchors make child-safety seat
installation a piece of cake. There's no searching or digging for the anchors
since they sit out in the open. Just flip the rubb ...
Fuse box on the left in the direction of
travel
Open the hood.
Remove any existing moisture from the
fuse box using a dry cloth.
AMG vehicles: remove the control unit
above the fuse box.
To open: undo screws 1 with an Allen
key.
...
Winter tires
At temperatures below 45 °F (+7
°C), use
winter tires or all-season tires. Both types of
tire are identified by the M+S marking.
Only winter tires bearing the
snowflake
symbol in addition ...
