Remove/install exhaust system complete

AR49.10-P-7000RB

Remove/install exhaust system complete

11.3.10

 

Remove/install

 Danger!

Risk of death caused by vehicle slipping or toppling off the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

 Danger!

Risk of injury from grazing or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.

AS00.00-Z-0017-01A

1

Unclip connectors for O2 sensors (G3/3x1, G3/4x1) from rear retaining springs at charge air coolers (1) and disconnect

2

Raise vehicle with vehicle lift

 Position arms on lift platform in such a way that bolts (2) of the rear diagonal struts (3) are accessible.

3.1

Remove rear section of lower engine compartment paneling

Vehicles without code (P99) Special model "AMG Black Series"

AR61.20-P-1105R

3.2

Remove bottom engine compartment paneling

Vehicles with code (P99) Special model "AMG Black Series"

AR61.20-P-1105RBS

4

Unclip connectors for O2 sensors (G3/5x1, G3/6x1) from retaining springs and disconnect

5

Remove electrical lines for O2 the sensors (G3/5, G3/6) from clamping brackets

6

Remove the catalytic converters (4) from the turbochargers by loosening the bolts (5) and taking off the hose clamps (6)

 Installation: Use emery cloth to remove combustion and corrosion residues at connection points. Replace hose clamp (6) and bolts (5).



*BA49.10-P-1002-01L



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

7

Detach catalytic converters (4) from the catalytic converter brackets at the automatic transmission by unscrewing the bolts (7)



*BA49.10-P-1009-01L

8

Remove diagonal struts (3)

 Installation: The bolts (2, 8) on diagonal struts (3) must only be when the vehicle is sitting horizontally on its wheels.



*BA61.10-P-1010-01C

9

Support exhaust system (9)

10

Remove lateral strut (10)



*BA61.10-P-1007-01C

11

Unhook exhaust system (9) from exhaust rubber mounts (11)

 To simplify removal:

Apply liquid lubricant to retaining clip (12) and into hole of exhaust rubber mount (11).

Lubricant paste

*BR00.45-Z-1002-06A

12

Lower exhaust system (9) and remove it completely

 Do not damage rear bumper while lowering exhaust system (9).



Checking

13

Check all rear exhaust rubber mounts (11) for wear and damage; replace if required

14

Install in the reverse order



Checking

15

Inspect installation position and unobstructed movement of all parts of the exhaust system (9)

 The exhaust system (9) must be installed free of tension.

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

16

Carry out an engine test run and check exhaust system (9) for leaks

Number

Designation

Engine 275.951/
954

Engine 275.981/
983

BA49.10-P-1002-01L

Bolt for pipe clamp three way catalytic converter at exhaust gas turbocharger

Nm

25

25

BA49.10-P-1009-01L

Bolt, catalytic converter bracket to bracket to transmission housing

Nm

20

20

BA49.10-P-1010-01L

Bolt, exhaust rubber mount to rear axle carrier

Nm

20



Number

Designation

Model
230

BA61.10-P-1007-01C

Bolts connecting cross strut to frame floor

Nm

20

BA61.10-P-1010-01C

Self-locking bolt, rear diagonal strut to frame floor

Nm

70

Number

Designation

Order number

BR00.45-Z-1002-06A

Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00

A 000 989 01 60