Fuel Door: Service and Repair

Fuel Filler Door

Special tools, testers and auxiliary items required

• Special Hook (3370)






1 Cable for Emergency Release

2 Fuel Filler Door Unlock Motor (V155)

• Removal:

- Fuel filler door removed

- Pull the comfort system central control module (J393) into the luggage compartment and pull it forward.

- Remove the fuel filler door unlock motor forward off the body flange and disconnect the electrical connector.

• Installing:

- Slide the fuel filler door unlock motor onto the flange and slide the emergency release into the luggage compartment.



3 Fuel Filler Door

• Must be replaced after removing

- Guide cable through opening in fuel filler door cup.

- Insert fuel filler door diagonally until catches on protruding flange engage in side panel.

- Bolt the door and the door release motor together using the bolt - 4 -.

4 Screws

• 1.7 Nm

5 Fuel Filler Door Cup

6 Drain Hose

Replace the Tank Flap Unit






1 Fuel Filler Door Cup

2 Fuel Filler Door Unlock Motor (V155)

3 Bolt

• 1.7 Nm

4 Fuel Filler Door Unit

• Must be replaced after removing

- Removing

5 Fuel Filler Door

- To remove, remove the bolt - 3 - and pull the fuel filler door diagonally out of the side panel beginning at the rear.

- Guide the emergency release cable through the opening in the fuel filler door cup.

Releasing the Tank Flap Cover





- Insert a screwdriver as shown between flap - 2 - and flap mount - 1 - and release the lug.

- Pull flap slightly toward rear - arrow - out of lug.

- Remove flap from the side.

Installing the Tank Flap Cover





- Insert flap into cutout in mounts.

- Slide lid - 2 - forward until locking mechanism - arrows - on mount - 1 - engages.

Remove the Tank Flap Unit

- Release the tank flap insert at the markings - arrows -.






- To do this, insert a small screwdriver diagonally from underneath through the marking in the tank flap insert over the latches.






- Gently lift the screwdriver and release the latches.

- Pull the tank flap insert in steps out of its cut-out.

Fuel Filler Door Cup, Removing






• Fuel filler door removed

- Pull the fuel filler door down out of the body opening using a (3370).

Fuel Filler Door Cup, Installing






Installation is performed in the reverse order of removal. Note the following.

- To route the drain hose without kinking it, the edge of the drain hole in the fuel filler door cut up align with the edge of the hole in the body - arrow -.

Fuel Filler Door Emergency Release






1 Fuel Filler Door Unlock Motor (V155)

2 Cable for Emergency Release

• Insert the fuel filler door unlock motor with the cable over the tank opening as shown.

• Pull the cable back into the vehicle interior and connect it with the tab on the flange on the comfort system central control module (J393).

3 Side Panel

Fuel Filler Door, Installation Position






1 Side Panel

2 Fuel Filler Flap Glass Panel

• Adjust distance - A - = 2.2 mm evenly to the side panel.

3 Fuel Filler Door Cup

• Slide all around onto body flange as shown.

4 Drain Hose

• Route it without kinking it.

Fuel Filler Door Drain Hose






1 Drain Hose

- Route the drain hose as shown under the wheel housing liner and insert it in the guide piece.

2 Fuel Filler Door

3 Wheel Housing Liner

• Loosen in the area of the drain hose and press it to the side.

4 Rear Bumper

5 Rear Guide Piece

• Drain hose inserted in the lower guide piece as shown.