Two problems related to steering have been reported for the 2006 Mercedes Benz R350. The most recently reported issues are listed below.
My abs my eesp my brake light and check engine light mine anyways the whole cluster is going crazy it's hard to shift down when I'm coming to a stop not all the time but just sometimes so I got a mind of its own my speedometer goes up and down it says check my tire pressure when it's good my srs light comes on my brakes lights comes on it says dionostic rig test, abs light says dionostic rig test, especially light says dionostic rig test. Brake light flashes on and off and a continuous beebing. It also says do not change gears drive to work shop. $ your paper will not allow me to check other boxes that I'm having problem wit.
Mercedes r class speed sensitive steering has little play and its measurement of hardening and softening the steering is unpredictable. Sometime steering itself become very soft that vehicle is hard to control and sometime it becomes very hard. Total random behavior, effect driving and safety.