Drain/Fill Rear Axle Gear Oil - AR35.31-P-0523MNE

Model 213.088/089/288/289 

Courtesy of MERCEDES-BENZ USA

Shown with code 467 (Electronic locking differential) 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil	Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles.	AS00.40-Z-0001-01A
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Drain off
1	Raise vehicle.		AR00.60-P-1002LWG
2	Clean area around filling screw (2) and electric differential lock temperature sensor (B94/23) or drain screw.	Assembly cleaner	*BR00.45-Z-1028-04A
3	Remove filling screw (2).
4	Release and disconnect electrical connector of electric differential lock temperature sensor (B94/23).	Model 213.088/089/288/289 with code 467 (Electronic locking differential)
5	Unscrew electric differential lock temperature sensor (B94/23) or drain screw and collect rear axle differential oil in a suitable container.
6	Unscrew threaded union (4) and collect remaining rear axle differential oil in a suitable container.	Model 213.088/089/288/289 with code 467 (Electronic locking differential)
	Clean
7	Clean threads of new filling screw (2), threaded union (4) and electric differential lock temperature sensor (B94/23) or drain screw.	Loctite 7063 (400 ml) cleaning spray	*BR00.45-Z-1046-04A
8	Clean threaded holes in rear axle differential (1).	Loctite 7063 (400 ml) cleaning spray	*BR00.45-Z-1046-04A
	Pour in
9	Apply one drop of sealant to lower third of thread of threaded union (4) and electric differential lock temperature sensor (B94/23) or drain screw.	Sealant, Omnifit 100H (50 g)	*BR00.45-Z-1061-01A
10	Screw in threaded union (4) or drain screw and tighten.	Model 213.088/089/288/289 with code 467 (Electronic locking differential) Threaded insert, oil line/temperature sensor to rear axle differential	*BA35.31-P-1005-02H
		Model 213.088/089/288/289 except code 467 (Electronic locking differential) Drain screw to rear axle differential	*BA35.31-P-1003-02H
11	Screw in electric differential lock temperature sensor (B94/23) and tighten.	Model 213.088/089/288/289 with code 467 (Electronic locking differential) Temperature sensor to threaded insert/rear axle differential	*BA35.31-P-1008-02H
12	Assemble electrical connector of electric differential lock temperature sensor (B94/23) until it locks.	Model 213.088/089/288/289 with code 467 (Electronic locking differential)
13	Add rear axle differential oil using hand pump to rear axle differential (1).
	Differentiating characteristics of aluminum differential housings	Model 213.088/089/288/289 except code 700 (Vehicle production location China) Observe differentiating features in order to determine the correct oil filling capacity.	GF35.31-P-0002-01A
		Filling capacity for rear axle differential with differential lock	*BF35.31-P-1003-02C
		Hand pump	Fig 1
14	Apply one drop of sealant to lower third of thread on filling screw (2).	Sealant, Omnifit 100H (50 g)	*BR00.45-Z-1061-01A
15	Screw in and tighten filling screw (2).	Oil filler screw of rear axle differential	*BA35.31-P-1002-02H
16	Check rear axle differential (1) for leak tightness.
17	Lower vehicle.		AR00.60-P-1002LWG

Fig 1: Identifying Hand Pump (210 589 00 71 00)

Courtesy of MERCEDES-BENZ USA