Smart Key battery

See also:

Automatic engine switch-off
The ECO start/stop function switches the engine off automatically if the vehicle is braked to a standstill and the brake remains depressed with the transmission in position D or N. You can st ...

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheatin ...

Speedometer with segments
The segments in the speedometer indicate which speed range is available. Cruise control (Y page 167) activated: The segments light up from the stored speed to the maximum speed. DISTRONIC PLUS ...