See also:

Roadside Assistance button
Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...

Switching on/off
The three red indicator lamps in the button indicate the heating level you have selected. If the battery voltage is too low, the seat heating may switch off. One or more of the indicator lamp ...

Ride, Handling
With an air suspension that can be adjusted to varying levels, the S550 rides with soothing composure. The BMW 7 Series is firmer, and the Jaguar XJ is downright stiff in comparison. It's even mor ...