Rear axle - oil change

AP35.00-P-3501E

Rear axle - oil change

26.02.2020

Model

118.353/354/653/654, 177.053/054, 247.753/754

Modification notes

17.09.2019

Rear axle differential filling capacity

Model 118.353/354/653/654, model 177.053/054

BF35.31-P-1002-02F

11.12.2019

Left/right clutch oil level screw

BA35.31-P-1007-07A

11.12.2019

Left/right clutch oil drain screw

BA35.31-P-1006-07A

13.02.2020

Rear axle differential filling capacity

Model 118.353/354/653/654 Model 177.053/054 Model 247.753/754

BF35.31-P-1002-02F

Shown on model 177.053

1

Left clutch

3

Drain screw

2

Right clutch

4

Filling screw

 Warning

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

 Danger

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

 Caution

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

Preparatory activity

1

Lift vehicle with lifting platform.



AR00.60-P-1006A


Park vehicle on a horizontal surface.
Otherwise, the rear axle differential is not filled correctly and an incorrect oil filling capacity could lead to leakage and material damage.



Clean

2

Clean area around drain screws (3) and filling screws (4).



Remove

3

Remove filling screws (4) from left clutch (1) and right clutch (2) and dispose of them.

Drain off

4

Remove drain screws (3) from left clutch (1) and right clutch (2), dispose of them and drain clutch oil.



Clean

5

Clean threaded holes of drain screws (3) in left clutch (1) and right clutch (2).

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A



Install

6

Screw new drain screws (3) into left clutch (1) and right clutch (2).


Replace drain screws (3) each time they are removed.
Otherwise fluid loss and damage may occur.

 Left/right clutch oil drain screw

*BA35.31-P-1006-07A

Pour in

7

Pour new clutch oil into left clutch (1) and right clutch (2) up to lower edge of threaded holes of filling screws (4).

 Rear axle differential filling capacity

*BF35.31-P-1002-02F



Clean

8

Clean threaded holes of filling screws (4) in left clutch (1) and right clutch (2).

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A



Install

9

Screw new filling screws (4) into left clutch (1) and right clutch (2).


Replace filling screws (4) each time they are removed.
Otherwise fluid loss and damage may occur.

 Left/right clutch oil level screw

*BA35.31-P-1007-07A

10

Lower vehicle with vehicle lift.



AR00.60-P-1006A

Reset service data

11

Connect diagnostic system.



AD00.00-P-2000-06MFA

12

Reset oil service data of rear axle differential.

 Resetting of the oil service data is called up in the diagnostic system as follows:
Select "N15/17 - All-wheel drive (VG)" control unit 
Select menu item "Adaptations" 
Select menu item "Teach-in processes" 
Select menu item "Reset oil service data" and perform guided procedure.

13

Disconnect diagnostic system.



AD00.00-P-2000-06MFA

 Rear axle gear

Number

Designation

Model 118

Model 177

BA35.31-P-1006-07A

Left/right clutch oil drain screw

Nm

15

15

 Rear axle gear

Number

Designation

Model 247

BA35.31-P-1006-07A

Left/right clutch oil drain screw

Nm

15

 Rear axle gear

Number

Designation

Model 118

Model 177

BA35.31-P-1007-07A

Left/right clutch oil level screw

Nm

15

15

 Rear axle gear

Number

Designation

Model 247

BA35.31-P-1007-07A

Left/right clutch oil level screw

Nm

15

 Rear axle gear

Number

Designation

Model 118.353/354/653/654
Model 177.053/054
Model 247.753/754

BF35.31-P-1002-02F

Rear axle differential filling capacity

Twin rear axle differential

Axle screw plug

Liter

0,5

Clutch screw plug

Left

Liter

0,4

Right

Liter

0,4

Specified gear oils - overview

BB00.40-P-0231-01A

Approved axle gear oils

BB00.40-P-0235A

Repair materials

Number

Designation

Order number

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09