Em thấy có option này cho các xe Mercedes trên mbusa.com, ở Việt nam mình có thể lắp option này không các bác nhỉ:
KEYLESS-GO
A leap in ease and efficiency pioneered by Mercedes-Benz, KEYLESS-GO lets you unlock, start and drive away without removing the SmartKey from your pocket or purse. You can lock and unlock the doors with a touch of the exterior handles, and start the engine by stepping on the brake pedal and pushing the Start/Stop button on the dashboard. You can also start the vehicle in the conventional way by removing the Start/Stop button and inserting the SmartKey into the ignition.
$650
KEYLESS-GO
A leap in ease and efficiency pioneered by Mercedes-Benz, KEYLESS-GO lets you unlock, start and drive away without removing the SmartKey from your pocket or purse. You can lock and unlock the doors with a touch of the exterior handles, and start the engine by stepping on the brake pedal and pushing the Start/Stop button on the dashboard. You can also start the vehicle in the conventional way by removing the Start/Stop button and inserting the SmartKey into the ignition.
$650