(Bleed Differential Lock Hydraulic System - AR33.40-P-0701GG)

Model 460, 461 

Model 463 

up to model year 2013 

Courtesy of MERCEDES-BENZ USA

Shown on model 460 

	Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
1	Connect filling and bleeding device to expansion reservoir (3)
	Brake fluid notes		AH42.50-P-0001-01A
	000 588 01 82 00 Filling unit		WS25.00-P-0016B
	Brake fluids (DOT 4 plus)	For all vehicle models from Mercedes-Benz and smart Observe manufacturer's operating instructions. Bleed pressure is 2 bar. Note the different installation positions for the expansion reservoir (3) for the various vehicle model designations.	BB00.40-P-0331-00A
2.1	Open bleed screw on front axle shift cylinder (1)	All models To bleed the front differential lock, allow approx. 80 cm3 of brake fluid to flow out free of bubbles.
2.2	Open bleed screw on rear axle shift cylinder (2)	All models To bleed the rear differential lock, allow approx. 80 cm3 of brake fluid to flow out free of bubbles.
2.3	Open bleed screw on shift cylinder of second rear axle	Model 461.392 To bleed the rear differential lock of the second rear axle, allow approx. 80 cm3 of brake fluid to flow out free of bubbles.
3.1	Close bleed screw on front axle shift cylinder (1)	All models Model 460, 461 Model 463 up to model year 2013Bleed screw to differential lock cylinder	*BA33.40-P-1005-01A
3.2	Close bleed screw on rear axle shift cylinder (2)	All models Model 460, 461 Model 463 up to model year 2013Bleed screw to differential lock cylinder	*BA35.40-P-1006-01A
3.3	Close bleed screw on shift cylinder of second rear axle	Model 461.392 Bleed screw to differential lock cylinder	*BA35.40-P-1006-01A
4	Connect filling and bleeding unit
	000 588 01 82 00 Filling unit		WS25.00-P-0016B
5	Check brake fluid level in expansion reservoir (3), correct if necessary
	Brake fluid notes		AH42.50-P-0001-01A
	Brake fluids (DOT 4 plus)	For all vehicle models from Mercedes-Benz and smart	BB00.40-P-0331-00A