One problem related to adaptive cruise control has been reported for the 2014 Mercedes Benz S550. The most recently reported issues are listed below.
Pre safe disabled then blind spot disabled then cruise control disabled this occurs in heavy rain had the dealer check it told they could not duplicate the problem told them this is a dangerous problem in heavy weather as you do have blind spots in the s class and you do need the system to work. Once the weather improves or the heavy rain subsides the system restores itself.
| Adaptive Cruise Control problems | |
| Automatic Emergency Braking problems |