Mercedes-Benz 2005 C 230 Kompressor Sport Operator's Manual page 263

Armrest in the rear passenger
compartment
Pull the top of the armrest out and fold
it down.
Cup holders in front of seat armrest
Warning!
In order to help prevent spilling liquids on
vehicle occupants, only use containers that
fit into the cup holder. Use lids on open
containers and do not fill containers to a
height where the contents, especially hot
liquids, could spill during braking, vehicle
maneuvers, or in an accident.
When not in use, keep the cup holder
closed. An open cup holder may cause injury
to you or others when contacted during
braking, vehicle maneuvers, or in an
accident.
Keep in mind that objects placed in the cup
holder may come loose during braking,
vehicle maneuvers, or in an accident and be
thrown around in the vehicle interior.
Objects thrown around in the vehicle
interior may cause an accident and/or
serious personal injury.
Controls in detail
Underneath the swiveling cup holder is
another stationary cup holder. You can
G only use this when the swiveling cup holder
is pulled out and completely turned
outward.
Sliding out the swiveling cup holder
Push button 1.
The cup holder slides upward.
Useful features
261