2009 Mercedes R-Class Owner's Manual - Page 309

Practical hints Vehicle status messages in the multifunction display Display messages ABS ABS, ESP Unavailable See Operator's Manual Possible cause/consequence Possible solution The brake system still functions normally When the voltage is above the required value but due to insufficient power supply, the again, the ABS is operational again and the message should disappear. ABS, the BAS and the ESP® are unavailable. X If the message does not disappear: Have the system checked at an authorized MercedesBenz Center as soon as possible. In addition, the yellow ESP® warning lamp X Continue driving with added caution. v comes on. X Have the system checked at an authorized The brake system is still functioning Mercedes-Benz Center as soon as possible. normally but due to a malfunction the Failure to follow these instructions increases the ESP® is unavailable. risk of an accident. The ABS and the BAS may not be operational. ESP Inoperative See Operator's Manual Z 307