Two problems related to cruise control have been reported for the 1999 Mercedes Benz 300. The most recently reported issues are listed below.
While driving with the cruise control set to 72 mph consumer attempted to disengage the cruise control and vehicle took off like a jet. As a result, vehicle jumped the median on the highway, damaging the under carriage of the vehicle.
Exiting the freeway, vehicle would not decelerate with brakes applied, abs system was locking & unlocking, and tires were spinning on wet pavement. Cruise control had not been engaged. With collision imminent, driver moved gear selector to neutral, engine then raced to tachometer red-line, and stayed there. Driver turned engine off, waited several seconds and restarted engine. Vehicle has performed normally since.