2003 Mercedes G-Class Owner's Manual - Page 240

Practical hints What to do if ... Problem Possible cause The yellow ABS malfunction indi- You engaged the differential locks. The ABS, cator lamp comes on while driv- ESP, BAS, EBB and 4-ETS are switched off. ing. The ABS has detected a malfunction and has switched off. The ESP, BAS, EBB and 4-ETS are also switched off (see messages in display). If the ABS control unit is malfunctioning, other systems such as the navigation system or Rear Park Assist* may also malfunction. Suggested solution The driving systems will switch on again after the differential locks have been disengaged. Continue driving with added caution. Wheels will lock during hard braking reducing steering capability. Have the system checked at an authorized Mercedes-Benz Light Truck Center as soon as possible. - Failure to follow these instructions inThe brake system is still functioning normally creases the risk of an accident. but without the ABS available. The ABS has switched off because charging voltage has fallen below 10 volts. The battery may not be charged. Turn off unnecessary electric consumers. When the battery voltage is above this value again, the ABS is operational again. Note the messages in the multifunction display ( page 246). 240