51 11 770 Removing and installing/replacing left or right deformation element for front bumper

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Necessary preliminary tasks:

Remove SIDE ENGINE COMPARTMENT LID GASKET MOUNTING in working area
Remove CARRIER for bumper trim at front
If necessary, release HEADLIGHT CLEANING SYSTEM HIGH-PRESSURE NOZZLE (RIGHT)

Release screw (1) on V-support (2).

Tightening torque 51 61 6AZ .

Fig 1: Identifying V-Support With Screws

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Unclip hose (2) for headlight washer system high-pressure nozzle (right) at marked points and set down safely.

Release screws (1) on V-support (3).

Tightening torque 51 11 7AZ .

Feed out cross-struts (3).

Fig 2: Identifying Hose, Cross-Struts And Screws

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Unclip cooler air duct (front) (1).

Installation note:

Make sure all retaining lugs are correctly engaged on cooler air duct (front) (1).

Radiator air duct retaining lugs (front) (1) must not be damaged.

Fig 3: Removing Cooler Air Duct (Front)

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Unclip wiring harness mounting (1).

Fig 4: Identifying Wiring Harness Mounting

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Release screws (2) on brake air duct (1).

Remove brake air duct (1) in direction of arrow.

Fig 5: Removing Brake Air Duct

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NOTE: For height adjustment, mark position of deformation element (4).

Unlock plug connection (3) and disconnect.

Release bolts (1) on engine support (2).

Tightening torque 51 11 3AZ .

Installation note:

Height adjustment, refer to 41 00... BODY GAP DIMENSIONS .

Fig 6: Identifying Plug Connection, Engine Support, Bolts And Deformation Element

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Release screws (1) on cross-member (2).

Tightening torque 51 11 2AZ .

Fig 7: Identifying Cross-Member With Screws

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Unlock plug connections (1) and (2) and disconnect.

Fig 8: Identifying Plug Connections

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Unlock plug connection (1) on headlights (4) and disconnect.

Disengage Bowden cable (2) from engine compartment lid catch (3).

Installation note:

Bowden cable (2) must be correctly engaged in engine compartment lid mounts.

Fig 9: Identifying Plug Connection, Headlights, Bowden Cable And Engine Compartment Lid Catch

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Release screw (2).

Feed out deformation element complete with headlights (2) and lock support in direction of arrow and set down safely.

Fig 10: Feeding Out Deformation Element With Headlights And Lock Support

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Release screws (1).

Remove deformation element (2) from lock support (3).

Fig 11: Identifying Deformation Element, Lock Support And Screws

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