Remove/install rear axle spring

AR32.20-P-0232MFB

Remove/install rear axle spring

08.01.2020

Model

118, 177, 247

with code U55 (Multi-link axle)

except code U54 (Compound-link axle)

Shown on model 177 on right rear axle spring (1)

1

Rear axle spring

10

Nut

5

Cover

11

Nut

6

Spring control arm

12

Wheel carrier

7

Screw

13

Screw

8

Bracket

14

Screw

9

Nut

15

Spring retainer inserts

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-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

Remove left rear or right rear wheel and tire assembly.

AR40.10-P-1102MFA

2

Remove rear axle carrier trim.

Model 118, 177, 247 with engine 260
with code U55 (Multi-link axle)
except code M016 (Uprated engine)
except code U54 (Compound-link axle)
Model 118, 247 with engine 282, 608, 654
with code U55 (Multi-link axle)
except code U54 (Compound-link axle)
Model 177 with engine 282, 654
with code U55 (Multi-link axle)
except code U54 (Compound-link axle)

AR61.30-P-0050MFA

3

Remove trim (5) from spring link (6).

4

Unscrew screw (7) from holder (8) for rear left level sensor (B22/7) or rear right level sensor (B22/10) and remove holder (8) from spring link (6).

5

Loosen nut (9).

 Self-locking nut, spring control arm to rear axle carrier

*BA35.20-P-1001-01D

6

Remove nut (10) from rear shock absorber.

 Nut, shock absorber to rear axle/spring link

*BA32.25-P-1001-03R

7

Remove nut (11) from wheel carrier (12).

 Self-locking nut, spring control arm to wheel carrier

*BA35.20-P-1002-01D

8

Clamp rear axle spring (1) and remove screw (13).

AR32.20-P-0202-06MFA

 Tensioning device

*177589013100

9

Remove screw (14).

 Helper required.

10

Swing spring link (6) together with rear axle spring (1) and tensioning device downward, release rear axle spring (1) and remove.

 Helper required.

 Installation: Ensure correct seating of the rear axle spring (1) and the spring retainer inserts (15).

 Tensioning device

*177589013100



Check

11

Check rear axle spring (1) for paint damage.

If the rear axle spring (1) is not replaced.

If paint damage is found,



Repair any paint damage using a black touch-up paint pen.

12

Check upper and lower spring retainer inserts (15); replace if necessary.

If the rear axle spring (1) was replaced,



Always replace spring retainer inserts (15).

13

Install in the reverse order.

Concluding tasks

14

Perform chassis alignment.

AR40.20-P-0200MFA

 Rear axle shock absorber

Number

Designation

Model 118, 177, 247

BA32.25-P-1001-03R

Nut, shock absorber to rear axle/spring link

M10

Nm

50

 Spring control arm

Number

Designation

Model 118, 177, 247

BA35.20-P-1001-01D

Self-locking nut, spring control arm to rear axle carrier

Stage 1

Nm

50

Stage 2

°

90

 Spring control arm

Number

Designation

Model 118, 177, 247

BA35.20-P-1002-01D

Self-locking nut, spring control arm to wheel carrier

Stage 1

Nm

50

Stage 2

°

90