Remove/install heat shield for firewall

AR49.10-P-0001MFF

Remove/install heat shield for firewall

28.03.2019

Engine

654 in model 118, 177, 247

Shown on model 177

1

Heat shield

9

Nuts

13

Bolts

2

Heat shield

10

Screw

14

Support

3

Heat shield

11

Nuts

15

Nuts

4

Heat shield

12

Vacuum line

16

Nuts

5

Heat shield

Shown on model 177

1

Heat shield

7

Nuts

 Caution

Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid

Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.

AS42.50-Z-0001-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 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

Brake fluid notes

AH42.50-P-0001-01A

 

Remove/install

1

Remove lower engine compartment lining

AR61.20-P-1105MFE

2

Release underfloor paneling on left and right in front area until nuts (7) can be accessed.

AR61.30-P-1001MFA

3

Unscrew nuts (7) and release heat shield (1).

4

Unscrew nuts (9) and remove heat shield (2).

5

Remove battery carrier.

AR54.10-P-0028MFA

6

Unscrew battery sensor (B95) ground line nut at body and place to one side.

 Heat shield (4) can thus be removed.

 Nut, ground line (battery sensor) to body

*BA54.10-P-1004-01D

7

Remove screws (10).

8

Unscrew nuts (11).

9

Remove heat shield (3).

 Installation: Ensure heat shield (3) is correctly seated.

10

Remove cap of brake fluid reservoir and seal with protective cover.

 So that heat shield (4) over brake fluid reservoir can be removed.

 Set of protective covers

*001589019100

11

Unclip vacuum line (12).

12

Expose electric lines from support (14).

13

Unscrew bolts (13) and remove support (14).

 Bolts, battery carrier to body

*BA54.10-P-1009-01D

14

Unclip electrical wiring harness from heat shield (4).

 Installation:
Pay attention to the routing and padding of the wiring harness and electrical connector.
To prevent noise development during vehicle operation.


Do not crush or kink or subject lines to tension.
This leads to damage to the lines and impairs their function.

15

Unscrew nuts (15).

16

Remove heat shield (4).


Carefully pull rubber section at heat shield (4) over brake fluid reservoir.
Rubber section at heat shield (4) can otherwise be damaged.

17

Expose nuts (16).

18

Unscrew nuts (16) and remove heat shield (5).

19

Install in the reverse order.

 Battery

Number

Designation

Model 118

Model 177

BA54.10-P-1004-01D

Nut, ground line (battery sensor) to body

Nm

16

16

 Battery

Number

Designation

Model 247

BA54.10-P-1004-01D

Nut, ground line (battery sensor) to body

Nm

16

 Battery

Number

Designation

Model 118

Model 177

BA54.10-P-1009-01D

Bolts, battery carrier to body

Nm

23

23

 Battery

Number

Designation

Model 247

BA54.10-P-1009-01D

Bolts, battery carrier to body

Nm

23