Mercedes-Benz 2005 C 230 Kompressor Sport Operator's Manual page 262

Controls in detail
Useful features
Armrest storage compartments
1 Handle
2 Button, passenger side
3 Button, driver's side
260
Opening storage compartment
Pull handle 1 and lift armrest.
Closing storage compartment
Press armrest down until it engages
into place.
Opening telephone compartment
Press button 3 on driver's side or
button 2 on passenger side and lift
armrest.
Closing telephone compartment
Press armrest down until it engages
into place.
Changing inclination of armrest
1 Handle
Pull up on armrest.
Lowering armrest
Pull handle 1 to lower armrest.