54 37 160 Removing rear module

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Special tools required:

00 9 450
54 0 180
54 0 200

Necessary preliminary tasks:

Connect charger
Remove luggage compartment partition . See 51 47 202 REMOVING AND INSTALLING COVER FOR LUGGAGE COMPARTMENT .
Remove trim from rear apron . See 51 46 050 REMOVING AND INSTALLING/REPLACING TOP TRIM ON REAR APRON .

Installation:

Microencapsulated screws (Loctite) must be replaced and may not be reused
Screw connection must be completed within 20 mins. (start of curing)
Microencapsulated screws must not be retightened
Thread of nut must be cleaned beforehand in event of repeated use

Open convertible top compartment lid.

Mechanically open rear lid.

Fig 1: Opening Convertible Top Compartment Lid

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IMPORTANT: Convertible top compartment lid can tilt forwards when hydraulic cylinders are removed and must be supported with suitable apparatus.

Fig 2: Removing Convertible Top Compartment Lid

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Measure distance A between rear module kinematics.

Installation:

Adjust distance A.

Basic adjustment dimension e.g. for replacement:

A = 770.3 mm.

Fig 3: Measuring Distance Between Rear Module Kinematics

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Removing hydraulic cylinder for rear lid:

Release screw (1).

Fig 4: Identifying Hydraulic Cylinder Screw

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Slide retaining clip (1) upwards.

Detach ball socket at side.

NOTE: Close trunk lid carefully.

Fig 5: Identifying Ball Socket Retaining Clip

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Disconnect all cable ties.

Installation:

Replace faulty cable ties.

Fig 6: Identifying Cable Ties

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Feed hydraulic line (1) with hydraulic cylinder out of wiring harness (2).

Installation:

Make sure hydraulic line is correctly routed behind wiring harness.

Close rear lid.

Fig 7: Identifying Hydraulic Line And Wiring Harness

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Release left and right screws (1).

Remove locating cover (2) on left and right.

Fig 8: Identifying Cover Screws

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NOTE: Operation not absolutely necessary, only if roof module still has to be subsequently moved.

Secure metal plate (1) over Hall sensor in left mounting cover (2).

Metal plate (1) simulates a closed luggage compartment partition.

Fig 9: Identifying Metal Plate And Mounting Cover

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IMPORTANT: Observe disconnection sequence of plug connections without fail.

Plug connection (1) with locking bar must first be unlocked and disconnected.

NOTE: If the Soft Close Automatic of the rear lid opens, close plug connection again and change disconnection sequence.
Rear lid must be closed.

Fig 10: Identifying Plug Connection

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Connect special tool 54 0 200 to vehicle-side plug for rear module.

NOTE: Adapter simulates closed rear lid. Retractable hardtop without rear lid not in working order.

Fig 11: Connecting Special Tool (54 0 200) To Vehicle-Side Plug For Rear Module

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Unlock plug connections (1) without locking bar.

US only:

Unlock plug connection for SDARS and disconnect.

Fig 12: Identifying Plug Connection

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Release left and right screws (1).

NOTE: Do not adjust barrel screws.

Replacement only:

Bring barrel screws into contact with special tool 54 0 180 in conjunction with special tool 00 9 450.

Fig 13: Identifying Barrel Screws

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NOTE: Before removing, mark position of screws (1) to ensure correct alignment during installation.
Do not release screws.

Fig 14: Identifying Screws

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IMPORTANT: Proceed with the greatest possible caution when carrying out the following tasks.
Risk of damage!
Three persons are essential for helping to carry out the following tasks.

Generously cover bumper area (loading sill) with protective covers (1).

Fig 15: Identifying Protective Covers

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IMPORTANT: Rear module sinks if incorrectly supported. Risk of damage!

Position a helper on both the left and right sides of the rear module.

Grip rear module with two hands on rear module kinematic assembly and support Z-direction.

NOTE: Bracket is double-jointed and bends.

Fig 16: Griping Rear Module

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With one person on other side, simultaneously release screws (1) from bearing block.

Remove rear module.

Set down rear module on a suitable surface.

IMPORTANT: Do not damage any surrounding parts.

Fig 17: Identifying Screws

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Installation:

Check gap dimensions and if necessary adjust. See BODY GAP DIMENSIONS .

Carry out diagnosis.