2005 Mercedes G-Class Owner's Manual - Page 158

Controls in detail Differential locks Switching differential locks on and off The switch is located in the center console. Switching differential locks on Transfer case differential lock Press switch 1. The yellow engagement indicator lamp 4 for the transfer case differential lock comes on. The ESP warning lamp v comes on. When the differential lock engagement operation has been completed, the red function indicator lamp 5 comes on. The message ABS NOT AVAILABLE DIFFERENTIAL LOCKED appears in the multifunction display. The ESP warning lamp v and the ABS - warning lamp in the instrument cluster come on. ! To avoid damage to the transfer case and differential locks: Engage differential locks only at low speed (walking speed, not more than 5 mph). Do not engage differential locks if the driving wheels are spinning due to lack of traction. 1 Transfer case (center) differential lock 2 Rear axle differential lock 3 Front differential lock 4 Engagement indicator lamps (yellow) 5 Function indicator lamps (red) Do not engage on paved roads. i The differential locks can only be switched on in the sequence 1, 2, 3. 158