SmartKey battery

See also:

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. ...

Under the Hood
Adapted from the engine in the S-Class sedan and SL-Class roadster, the all-aluminum, 5.0-liter V-8 produces 300 horsepower and 330 pounds-feet of torque. Each engine cylinder uses a three-valve, ...

Displaying service messages
  Switch on the ignition.   Press or on the steering wheel to select the Serv. menu.   Press or to select the ASSYST PLUS submenu and press to confirm. The service due d ...