Mercedes-Benz S-Class Cabriolet 2017 Owner's Manual page 172

The distance warning function can aid you in the following situations with an intermittent warning tone and a warning lamp:
Vehicles travelling in
front
Vehicles without Driv‐ up to approx.
ing Assistance pack‐ 250 km/h
age
Vehicles with Driving up to approx.
Assistance package 250 km/h
Autonomous braking function
The autonomous braking function may intervene at speeds starting from approximately 7 km/h in the following situations:
Vehicles travelling in
front
Vehicles without Driv‐ up to approx.
ing Assistance pack‐ 200 km/h
age
Vehicles with Driving up to approx.
Assistance package 250 km/h
Stationary vehicles Crossing vehicles
up to approx. 80 km/h no reaction
up to approx. up to approx. 70 km/h
100 km/h
Stationary vehicles Crossing vehicles
up to approx. 50 km/h no reaction
up to approx. up to approx. 70 km/h
100 km/h
Driving and parking 169
Crossing pedestrians Stationary pedes‐
trians
up to approx. 60 km/h no reaction
up to approx. 70 km/h up to approx. 70 km/h
Crossing pedestrians Stationary pedes‐
trians
up to approx. 60 km/h no reaction
up to approx. 70 km/h up to approx. 70 km/h