See also:

Redialing
The on-board computer saves the last names or numbers dialed in the redial memory (Calls Dialed list). Press the or button on the steering wheel to select the Telephone menu. Press the ...

Vehicle data, GL 550
The data stated here refers specifically to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes-Benz. ...