Remove/install rear axle differential

AR35.31-P-0522MFC

Remove/install rear axle differential

28.05.2020

Model

118, 177, 247 with engine 260, 282, 654

with code M005 (Vehicles with 4MATIC/all-wheel drive)

Modification notes

13.02.2020

Rear axle differential filling capacity

Model 118 (except 118.353/354/653/654) Model 177 (except 177.053/054) Model 247 (except 247.753/754)

BF35.31-P-1001-02F

1

Rear axle gear

2

Propeller shaft

3

Electrical connector

4

Screw

5l

Left rear axle shaft

5r

Right rear axle shaft

 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

 Danger

Risk of accident caused by vehicle starting off on its own when jacked up. Risk of injury caused by rotating parts when working on running engine or drive train.

Ensure that jack stands are in a safe condition. An authorized person must occupy the driver's seat. Wear closed and close-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0008-01A

 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

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Information on influencing load ratios when removing major assemblies

AH00.60-P-0001-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Raise vehicle using vehicle lift and secure in place.

AR00.60-P-0100-01A

 Installation: Only lower and release the vehicle after the leak test.

 Vehicle hoist securing tool

*171589013100

2

Remove propeller shaft (2).

AR41.10-P-0050MFA

3

Remove trim from rear axle carrier.

Model 118, 177, 247 with engine 260
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)
except code M016 (Uprated engine)
Model 118, 177, 247 with engine 282, 654
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)

AR61.30-P-0050MFA

 Installation: Mount rear axle carrier trim only after leak test.

4

Drain oil from rear axle differential (1).

When replacing rear axle differential (1).



Model 118 (except 118.351/651) with engine 260, 282, 654
with code 800 (Model year 2020)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 118 (except 118.351/651) with engine 260, 282, 654
with code 809 (Model year 2019)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 177 (except 177.051/151/951) with engine 260, 282, 654
with code 800 (Model year 2020)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 177 (except 177.051/151/951) with engine 260, 282, 654
with code 809 (Model year 2019)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 247 (except 247.651/751) with engine 260, 282, 654
with code 800 (Model year 2020)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 247 (except 247.651/751) with engine 260, 282, 654
with code 809 (Model year 2019)
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AP35.00-P-3501MFA



Model 118.351/651
with code 800 (Model year 2020)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 118.351/651
with code 809 (Model year 2019)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 177.051/151/951
with code 800 (Model year 2020)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 177.051/151/951
with code 809 (Model year 2019)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 247.651/751
with code 800 (Model year 2020)
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 247.651/751
with code 809 (Model year 2019)
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AP35.00-P-3501I

5

Release and disconnect electrical connector (3) and unclip electric line from rear axle differential (1).

AR35.40-P-7401MFC

6

Remove left rear axle shaft (5l).

AR35.30-P-0621MFC

7

Support and secure rear axle differential (1).



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

8

Counterhold nuts and remove screws (4).

 Nut, rear axle differential to rear axle carrier at front (multi-link axle)

*BA35.31-P-1001-07A

 Bolt, rear axle differential to rear axle carrier at rear (multi-link axle)

*BA35.31-P-1002-07A

9

Pry right rear axle shaft (5r) out of rear axle differential (1) and secure against falling down.

AR35.30-P-0621MFC


Do not damage radial shaft sealing ring of right rear axle shaft (5r).
Otherwise leaks may occur.

10

Lower and remove rear axle differential (1).



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

11

Install in the reverse order.

12

Check and correct oil level in rear axle differential (1).

AR35.31-P-0520-08MFC

 Rear axle differential filling capacity

*BF35.31-P-1001-02F

Sealant, Omnifit 100H (50 g)

*BR00.45-Z-1061-01A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

 Filling screw/drain screw to housing cover at front/side

*BA35.31-P-1005-07A

13

Reset wear data in all-wheel drive control unit (N15/17) using diagnostic system.

When replacing rear axle differential (1).



AD00.00-P-2000-06MFA

14

Check rear axle differential (1) for leak tightness.

15

Install trim of rear axle carrier.

Model 118, 177, 247 with engine 260
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)
except code M016 (Uprated engine)
Model 118, 177, 247 with engine 282, 654
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)

AR61.30-P-0050MFA

16

Release vehicle and lower on vehicle lift.

AR00.60-P-0100-01A

 Vehicle hoist securing tool

*171589013100

 Rear axle gear

Number

Designation

Model 118

Model 177

BA35.31-P-1001-07A

Nut, rear axle differential to rear axle carrier at front (multi-link axle)

M14

Nm

150

150

 Rear axle gear

Number

Designation

Model 247

BA35.31-P-1001-07A

Nut, rear axle differential to rear axle carrier at front (multi-link axle)

M14

Nm

150

 Rear axle gear

Number

Designation

Model 118

Model 177

BA35.31-P-1002-07A

Bolt, rear axle differential to rear axle carrier at rear (multi-link axle)

M14

Nm

150

150

 Rear axle gear

Number

Designation

Model 247

BA35.31-P-1002-07A

Bolt, rear axle differential to rear axle carrier at rear (multi-link axle)

M14

Nm

150

 Rear axle gear

Number

Designation

Model 118

Model 177

BA35.31-P-1005-07A

Filling screw/drain screw to housing cover at front/side

Nm

35

35

 Rear axle gear

Number

Designation

Model 247

BA35.31-P-1005-07A

Filling screw/drain screw to housing cover at front/side

Nm

35

 Rear axle gear

Number

Designation

Model 118 (except 118.353/354/653/654)
Model 177 (except 177.053/054)
Model 247 (except 247.753/754)

BF35.31-P-1001-02F

Rear axle differential filling capacity

Rear axle differential 150

Liter

0,6

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

BR00.45-Z-1061-01A

Sealant, Omnifit 100H (50 g)

A 002 989 23 71