2009 Mercedes CL-Class Owner's Manual - Page 103

Control systems COMAND navigation (introduction) X Deleting message: Switch COMAND off and back on. Input restrictions The input restrictions are imposed starting at a particular vehicle speed. The restrictions are canceled as soon as the speed drops below a certain value. When the restriction is active, certain operations or entries are not possible. You will notice this by the fact that some menu items cannot be selected or certain operations will not be possible. Navigation system menu overview i The components and operating principles of COMAND can be found on (Y page 78). i If you switch the navigation system off/ on, it will be operational again until it has to access the faulty area of the hard disk again. The message will then appear again. Consult an authorized Mercedes-Benz Center. Units of measurement The units of measurement in navigation mode are identical to those set in the instrument cluster (Y page 247). Z 101