2005 Mercedes S-Class Owner's Manual - Page 354

Practical hints What to do if ...? Display ESP Possible cause UNAVAILABLE The ESP was deactivated the power supply SEE OPERATORS MANUAL has been interrupted. Possible solution Synchronize the ESP. With the vehicle stationary and the engine running, turn the steering wheel completely to the left and then to the right to synchronize the ESP. If the ESP message does not go out: Continue driving with added caution. Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of an accident. The ABS is still operational. ! When synchronizing the ESP, make sure you can turn the steering wheel in both directions as far as it will go without the wheel hitting any objects, e.g. a road curb. 352