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

Model 463 with engine 176, 177

as of model year 2019

Model 463 with engine 264

as of model year 2019

Courtesy of MERCEDES-BENZ USA

	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	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
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Drain off
1	Lift vehicle with vehicle lift.		AR00.60-P-1006A
2	Clean area surrounding drain screw (2) and stop plug (3).	Assembly cleaner	*BR00.45-Z-1028-04A
3	Position suitable receptacle under the drain screw (2).
4	Remove stop plug (3).	The stop plug (3) replaces the oil filler screw.
5	Remove drain screw (2) and drain rear axle differential oil.
	Clean
6	Use cleaning spray to clean threaded hole of drain screw (2) in rear axle differential (1).	Loctite 7063 (400 ml) cleaning spray	*BR00.45-Z-1046-04A
	Fill
7	Apply a drop of sealant to lower third of thread of new drain screw (2).	Install new drain screw (2).
		Sealant, Omnifit 100H (50 g)	*BR00.45-Z-1061-01A
8	Screw in new drain screw (2) and tighten.
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
		Drain screw at rear axle housing	*BA35.30-P-1001-02A
9	Add rear axle differential oil using hand pump to rear axle differential (1).	Model 463.210 with engine 264 as of model year 2019 Model 463.260/261 with engine 176 as of model year 2019 Model 463.276/277 with engine 177 as of model year 2019
		Hypoid gear oil	*BF35.10-P-1001-01A
		Hand pump	Fig 1
10	Insert stop plug (3).	Replace stop plug (3).
11	Check rear axle differential (1) for leak tightness.
	Notes on evaluating leakages		AH00.00-N-0011-01A
12	Lower vehicle with vehicle lift.		AR00.60-P-1006A

REAR AXLE DRIVE

Number	Designation			Model 463 as of model year 2019
BA35.30-P-1001-02A	Drain screw at rear axle housing	Stage 1	Nm	60
BA35.30-P-1001-02A	Drain screw at rear axle housing	Stage 2	∠°	90

REAR AXLE

Number	Designation			Model 463.210	Model 463.260/261/276/27 7/349
BF35.10-P-1001-01A	Hypoid gear oil	Filling capacity	Liter	1, 5	1, 8
BF35.10-P-1001-01A	Hypoid gear oil	-		BB00.40-P-0235A	BB00.40-P-0235A

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

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1028-04A	Assembly cleaner	A 000 986 56 01
BR00.45-Z-1046-04A	Loctite 7063 (400 ml) cleaning spray	A 001 986 71 71 09
BR00.45-Z-1061-01A	Sealant, Omnifit 100H (50 g)	A 002 989 23 71