Remove/install complete rear axle

AR35.10-P-0010MFA

Remove/install complete rear axle

25.02.2020

Model

118, 177, 247

Modification notes

22.07.2019

Remove exhaust system.

Operation step 11.3.

28.11.2019

Remove struts (9).

Operation steps 14.1, 14.2 and 15.

17.12.2019

Release and disconnect electrical connectors at rear axle differential.

Operation step 12.

17.12.2019

Remove electrical wiring harnesses from rear axle differential.

Operation step 13.

Shown on model 177.0 with code U55 (Multi-link axle)

1

Rear axle

4

Shock absorber

2

Electrical connectors

7

Bolts

3

Screw

Shown on model 177.0 at left side of vehicle with code U54 (Torsion-beam axle)

1

Rear axle

2

Electrical connector

5

Bolts

6

Bracket

Shown on model 177.0 with engine 139

8

Bolts

9

Struts

10

Bolts

 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

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).

2

Raise vehicle using vehicle lift and secure in place.

AR00.60-P-1006A

3

Remove rear wheel and tire assemblies.

AR40.10-P-1102MFA

4

Remove left and right underfloor paneling.

AR61.30-P-1001MFA

5

Remove rear underfloor paneling.

Model 177, 247
with code U54 (Compound-link axle)

AR61.30-P-1001MFA

6

Remove trim of rear axle carrier.

Model 118, 177, 247 with engine 260
with code U55 (Multi-link axle)
except code M016 (Uprated engine)
Model 118, 247 with engine 282, 608, 654
with code U55 (Multi-link axle)
Model 177 with engine 282, 654
with code U55 (Multi-link axle)

AR61.30-P-0050MFA

7

Release and disconnect electrical connectors (2) and unclip from holders (6).

8

Remove left rear level sensor or right rear level sensor.

Model 118, 177, 247
with code 459 (Steel suspension with adjustable damping)
Model 118, 177, 247
with code 631 (Static LED headlamps, left-hand traffic)
Model 118, 177, 247
with code 632 (Headlamps, LED, static, right-side traffic)
Model 118, 177, 247
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
Model 118, 177, 247
with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 118, 177, 247
with code 642 (Dynamic LED headlamps, right-hand traffic)

AR82.10-P-0005MFA

9

Remove rear axle springs.

Model 118, 177, 247
with code U55 (Multi-link axle)
except code U54 (Compound-link axle)

AR32.20-P-0232MFB

Model 177, 247
with code U54 (Compound-link axle)
except code U55 (Multi-link axle)

AR32.20-P-0232MFA

10

Remove brake calipers of rear axle (1) with connected brake hoses and secure free of tension to vehicle.

AR42.10-P-0080MFA


Do not stretch, crush or kink the brake hoses.
This leads to damage to the brake hoses and can impair their function.

 Installation: Make sure that the brake hoses are routed correctly.

11.1

Remove rear muffler or tailpipe.

Model 118, 177, 247 with engine 260, 282, 608, 654
If there is a clamp at the connecting point.

Model 118, 177, 247 with engine 608

AR49.10-P-7142MFE

Model 118, 177, 247 with engine 654

AR49.10-P-7142MFF

Model 118, 177, 247 with engine 282

AR49.10-P-4952MFD

Model 118, 177, 247 with engine 260
with code U55 (Multi-link axle)

AR49.10-P-4952MFC

11.2

Remove exhaust system.

Model 118, 177, 247 with engine 260, 282, 608, 654
If there is no clamp at the connecting point.

Model 118, 177, 247 with engine 654

AR49.10-P-7142MFF

Model 118, 177, 247 with engine 608

AR49.10-P-7142MFE

Model 118, 177, 247 with engine 260
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)
Model 118, 177, 247 with engine 282
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))

AR49.10-P-7286MFD

11.3

Remove exhaust system.

Model 118, 177, 247.7 with engine 139

AR49.10-P-7286MFG

12

Release and disconnect electrical connectors at rear axle differential.

Model 118, 177, 247
with code M005 (Vehicles with 4MATIC/all-wheel drive)

 The number of electrical connectors varies according to vehicle equipment.

13

Remove electrical wiring harnesses from rear axle differential.

Model 118, 177, 247
with code M005 (Vehicles with 4MATIC/all-wheel drive)

 The number of electrical lines varies depending on the vehicle equipment.

14.1

Remove screws (8) from struts (9).

Model 118, 177 with engine 139

 Screw/nut, strut to mounting console

*BA61.10-P-1004-01N

14.2

Remove nuts from struts (9).

Model 247.7 with engine 139

 Screw/nut, strut to mounting console

*BA61.10-P-1004-01N

15

Unscrew screws (10) and remove struts (9).

Model 118, 177, 247.7 with engine 139

 Screw, strut to rear axle carrier

*BA61.10-P-1005-01N

16

Remove propeller shaft on rear axle differential.

Model 118, 177, 247
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)

AR41.10-P-0050MFA

 Installation: Replace bolts.

 Bolt, flexible coupling to rear axle differential

*BA41.10-P-1002-01K

17

Support rear axle (1).



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 Use lifting platform in combination with major assembly mount (universal).

18

Remove screw/bolts (3).

 Installation: Replace bolts (3).

 Nut, shock absorber to rear axle/spring link

*BA32.25-P-1001-03R

19

Remove bolts_(7).

Model 118, 177, 247
with code U55 (Multi-link axle)

 Replace the bolts (7).

 Screw, rear axle carrier decoupling element to body

*BA35.10-P-1003-01S

20

Remove screws (5) and lower rear axle (1).



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 Replace screw/bolts (5).

 Aid of helper required.

 Bolt, bearing bracket to body

*BA35.15-P-1003-02H

21

Transfer detachable parts of rear axle (1).

When replacing rear axle (1).

22

Install in the reverse order.

Concluding tasks

23

Perform chassis alignment.

AR40.20-P-0200MFA

 Rear axle shock absorber

Number

Designation

Model 118, 177, 243, 247

BA32.25-P-1001-03R

Nut, shock absorber to rear axle/spring link

M10

Nm

50

 Rear axle carrier

Number

Designation

Model 118, 177, 247

BA35.10-P-1003-01S

Screw, rear axle carrier decoupling element to body

M12

Stage 1

Nm

80

Stage 2: Loosen

°

180

Stage 3

Nm

80

Stage 4

°

90

 Rear axle trailing arm

Number

Designation

Model 118, 177, 247

BA35.15-P-1003-02H

Bolt, bearing bracket to body

Stage 1

Nm

80

Stage 2

°

45

 Propeller shaft

Number

Designation

Model 118, 177, 247

BA41.10-P-1002-01K

Bolt, flexible coupling to rear axle differential

Stage 1

Nm

40

Stage 2

°

90

 Frame floor assembly

Number

Designation

Model 118, 177, 247

BA61.10-P-1004-01N

Screw/nut, strut to mounting console

M10

Nm

45

 Frame floor assembly

Number

Designation

Model 118, 177, 247

BA61.10-P-1005-01N

Screw, strut to rear axle carrier

M10

Nm

45