2004 Mercedes G-Class Owner's Manual - Page 252

Practical hints What to do if ... What to do if ... Lamps in instrument cluster General information: If a bulb in the instrument cluster fails to come on during the bulb self-check when Possible cause The yellow ABS indicator lamp comes on while driving. You engaged the differential locks. The ABS, ESP, BAS, EBB and 4-ETS are switched off. 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 Parking Assist* may also malfunction. turning the SmartKey in starter switch to position 2, have it checked and replaced if necessary. 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. Problem - Failure to follow these instructions inThe brake system is still functioning normally creases the risk of an accident. but without the ABS available. 252