Remove/install fuel tank

AR47.10-P-4100MFD

Remove/install fuel tank

21.02.2020

Model

118, 177, 247 with engine 260

Model

118, 177, 247 with engine 282

except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))

Shown on vehicle with code U55 (Multi-link axle)

1

Fuel tank

5

Electrical connector

8

Bolts

2

Screw

6

Bleed lines

9

Purge line

3

Heat shield

7

Fuel hose

N118

Fuel pump control unit

4

Ground cable

 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

 Danger

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

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

AS00.00-Z-0010-01A

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

 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

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Empty the fuel tank (1).

AR47.10-P-4001MFD

2

Remove side underfloor paneling.

AR61.30-P-1001MFA

3.1

Remove rear muffler.

Model 118, 177, 247 with engine 260
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)
Model 118, 177, 247 with engine 282
with code U55 (Multi-link axle)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
except code U54 (Compound-link axle)

Model 118, 177, 247 with engine 260
with code M005 (Vehicles with 4MATIC/all-wheel drive)
with code U55 (Multi-link axle)

AR49.10-P-4952MFC

Model 118, 177, 247 with engine 282
with code U55 (Multi-link axle)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
except code U54 (Compound-link axle)

AR49.10-P-4952MFD

3.2

Remove exhaust system downstream of catalytic converter.

Model 118, 177, 247 with engine 260
with code U55 (Multi-link axle)
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 118, 177, 247 with engine 282
with code U54 (Compound-link axle)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
except code U55 (Multi-link axle)

Model 118, 177, 247 with engine 260
with code U55 (Multi-link axle)
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR49.10-P-7286MFD

Model 118, 177, 247 with engine 282
with code U54 (Compound-link axle)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))
except code U55 (Multi-link axle)

AR49.10-P-7286MFI

4

Remove propeller shaft from rear axle differential.

Model 118, 177, 247 with engine 260
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 118, 177, 247 with engine 282
with code M005 (Vehicles with 4MATIC/all-wheel drive)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))

AR41.10-P-0050MFA

5

Remove trim from rear axle carrier.

Model 118, 177, 247 with engine 260
with code U55 (Multi-link axle)
except code M016 (Uprated engine)
Model 118, 177, 247 with engine 282
with code U55 (Multi-link axle)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))

AR61.30-P-0050MFA

6

Remove screw/bolt (2).

 Bolt, fuel tank/tensioning strap for fuel tank to body

*BA47.10-P-1001-01T

7

Remove ground line (4).

Model 118, 177, 247 with engine 260
Model 118, 177, 247 with engine 282
except code M005 (Vehicles with 4MATIC/all-wheel drive)
except code ME08 (Hybrid drive 75-84 kW VARIANT (INCLUDING PLUGIN))

 Installation: Ensure correct routing of ground line (4).

8

Remove heat shield (3).

 Dismantling tool

*000589956300

9

Release and disconnect electrical connector (5) at fuel system control unit (N118).

10

Release and disconnect bleed lines (6) from activated charcoal filter and seal openings with suitable stop plugs.

 The number of connections varies depending on the vehicle equipment.

 Record plug

*129589009100

11

Remove fuel hose (7) from pipe of filler neck and plug the opening.

 Clamp, fuel hose to fuel tank/filler neck

*BA47.10-P-1002-01T

 Plug

*168589009100

If the fuel tank (1) is replaced:



Also replace fuel hose (7).

12

Support fuel tank (1).



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

13

Remove screws (8).

 Bolt, fuel tank/tensioning strap for fuel tank to body

*BA47.10-P-1001-01T

14

Slightly lower fuel tank (1) and remove.



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

 Aid of helper required.

15

Remove plug from fuel hose (7) and empty fuel tank (1) completely.

 Use appropriate safety container.

 Plug

*168589009100

16

Modify purge line (9) on activated charcoal filter.

If the fuel tank (1) is replaced:



Check

17

Perform visual check on fuel tank (1) and its connection and check for crack formation and damage.

If there are problems,



Replace appropriate parts.

18

Install in the reverse order.

 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

19

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 Fuel tank

Number

Designation

Model 118

Model 177

BA47.10-P-1001-01T

Bolt, fuel tank/tensioning strap for fuel tank to body

M8

Nm

23

23

 Fuel tank

Number

Designation

Model 247

BA47.10-P-1001-01T

Bolt, fuel tank/tensioning strap for fuel tank to body

M8

Nm

23

 Fuel tank

Number

Designation

Model 118

Model 177

BA47.10-P-1002-01T

Clamp, fuel hose to fuel tank/filler neck

Nm

4

4

 Fuel tank

Number

Designation

Model 247

BA47.10-P-1002-01T

Clamp, fuel hose to fuel tank/filler neck

Nm

4