Remove/install exhaust system

AR49.10-P-7142MRK

Remove/install exhaust system

04.02.2020

Engine

264 in model 167

Shown on model 167 with engine 167 with code 598 (gasoline particulate filter (GPF) with sensor system

1

Exhaust system

5

Bolts

8

Elastomer bearing

2

Screw

6

Clip

9

Elastomer bearing

3

Union nuts

7

Rear muffler

10

Elastomer bearing

4

Pressure line

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Caution

Risk of injury caused by scraping 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

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove center and rear sections of lower engine compartment lining.

AR61.20-P-1105ME

2

Remove the rear engine support.

AR22.10-P-4360MRK

3

Remove temperature sensor upstream of gasoline particulate filter (B163/4).

4

Seal exposed openings with suitable stop plugs.

 Record plug

*129589009100

5

Remove screw/bolt (2).

Engine 264 in model 167
with code 598 (Gasoline particulate filter (OPF) with sensor system)

6

Remove union nuts (3) of the pressure lines (4) and seal pressure lines (4) with suitable stop plugs.

Engine 264 in model 167
with code 598 (Gasoline particulate filter (OPF) with sensor system)

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 Open end wrench attachment, 19_mm

*000589109919

 Record plug

*129589009100

7

Remove screws (5).

 Screw, bracket for decoupling element to front exhaust system

*BA49.10-P-1009-02P

8

Open clamp (6).

 Installation: Replace clamp (6).

 Clamp at turbocharger and catalytic converter/front exhaust line

*BA49.10-P-1001-02P

9

Secure rear muffler (7) against falling down.



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B



000 588 10 62 00 Support plate

WS26.00-P-3309B

10

Unhook rear muffler (7) from the elastomer bearings (8).

 Installation: Thinly wet elastomer bearings (8) with lubricant.

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

11

Unhook exhaust system (1) from the elastomer bearing (9).

 Aid of helper required.

 Installation: Thinly wet elastomer bearings (9) with lubricant.

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A



Check

12

Check elastomer bearings (8, 9, 10) for wear and damage.

If there is a problem,



replace corresponding elastomer bearing (8, 9, 10).



Clean

13

Remove combustion and corrosion residues.

14

Install in the reverse order.

15

Check installation position and clearance of the exhaust system (1).

If there is a problem,



Re-align exhaust system (1).

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

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

AS00.00-Z-0005-01A

16

Perform engine test run and check exhaust system (1) for leaks.

17

Install center and rear lower engine compartment lining.

AR61.20-P-1105ME

 Exhaust system

Number

Designation

Model 167 with engine 264

BA49.10-P-1001-02P

Clamp at turbocharger and catalytic converter/front exhaust line

Nm

17

 Exhaust system

Number

Designation

Model 167 with engine 264

BA49.10-P-1009-02P

Screw, bracket for decoupling element to front exhaust system

Nm

20

Repair materials

Number

Designation

Order number

BR00.45-Z-1010-06A

Lubricant, rubber assembly 1 l

A 000 989 03 67