Remove/install tank filler recess

AR88.60-P-2001MFA

Remove/install tank filler recess

30.06.2019

Model

118, 177, 247

Shown on model 177 without code U79 (BlueTEC (SCR) diesel exhaust gas cleaning, Generation 3)

1

Fuel filler flap

6

Electrical connector

2

Tank filling recess

7

Catch hook

3

Rubber plug

8

Extraction hook

4

Catch hook

M14/10

Tank cap central locking actuator

5

Fuel tank cap

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 Warning

Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue

Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.

AS14.40-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A



Remove

1

Release and disconnect fuel filler flap (1) from catch hook (arrow A) and remove from tank filler recess (2).

2.1

Remove rubber plugs (3) from release holes.

If rubber plugs (3) are installed.

2.2

Drill tank filler recess (2) at defined cutouts (arrow B) using a drill bit with a diameter of 3 mm.

If rubber plugs (3) are not installed.

3

Unclip fuel filler cap central locking system actuator (M14/10) from catch hook (4) and remove.

4

Release and disconnect electrical connector (6) and remove fuel filler cap central locking system actuator (M14/10).

5

Unclip check strap from fuel filler cap (5) on tank filler recess (2).

6

Unscrew fuel filler cap (5), remove it, and seal opening with suitable means.

7

Unscrew cap from AdBlue® filler neck and seal openings with suitable means.

Model 118, 177, 247
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)

8

Coat seal on tank filler recess (2) on filler neck with lubricant.

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

9

Coat seal on tank filler recess (2) on AdBlue® filler neck with lubricant.

Model 118, 177, 247
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

10

Use extraction hooks (8) behind release holes (arrow B) to disengage catch hooks (7) and simultaneously pull tank filler recess (2) out of left rear side wall and remove.

 Only insert extraction hooks (8) into release holes (arrow B) until catch hooks (7) disengage.

 Extraction hook

*140589023300



Install

11

Coat rubber plugs (3) with lubricant and install in release holes of tank filler recess (2).

If tank filler recess (2) is reused.

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

12

Coat seal on tank filler recess (2) on filler neck with lubricant.

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

13

Coat seal on tank filler recess (2) on AdBlue® filler neck with lubricant.

Model 118, 177, 247
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

14

Pull seal of tank filler recess (2) over filler neck.

15

Pull seal of tank filler recess (2) over AdBlue® filler neck.

Model 118, 177, 247
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)

16

Guide electrical connector (6) through opening for fuel filler cap central locking system actuator (M14/10).

17

Insert tank filler recess (2) at front into left rear side wall, then pivot toward rear and clip in catch hooks (7).

18

Remove suitable means from filler neck, screw on fuel filler cap (5), and clip check strap of fuel filler cap (5) into tank filler recess (2).

19

Remove suitable means from AdBlue® filler neck and screw cap onto AdBlue® filler neck.

Model 118, 177, 247
with code U79 (BLUETEC (SCR) diesel exhaust treatment, generation 3)

20

Connect electrical connector (6).

21

Install fuel filler cap central locking system actuator (M14/10).

22

Slide fuel filler flap (1) onto hinge of tank filler recess (2) and arrest.

Repair materials

Number

Designation

Order number

BR00.45-Z-1010-06A

Lubricant, rubber assembly 1 l

A 000 989 03 67