65 12 315 Removing and installing (replacing) Head Unit High (HU-H)

Attention! 

Risk of damage!

There is a hard disk installed in the head unit.

Carry out mechanical work on the head unit and adjacent components with care.

Avoid subjecting the head unit to vibration/shocks.

Attention! 

Read and comply with NOTES ON PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks: 

• Remove RADIO AND IHKA CONTROL PANEL
• Disconnect BATTERY NEGATIVE LEAD

Removal: 

Release screws (1).

Pull the HU-H (2) out forward.

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Unlock and disconnect all connectors (1) in marked area.

Remove HU-H (2).

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Installation: 

Position HU-H (2).

Connect and lock all the connectors (1) in the marked area.

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Slide the HU-H (2) toward the back into the instrument panel (3).

Tighten down screws (1).

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Required reworking: 

• Install the RADIO AND IHKA CONTROL PANEL
• Connect BATTERY NEGATIVE LEAD

Only for US models with satellite radio: 

Additional work is required when replacing the head unit!

• Refer to REPLACING SATELLITE TUNER, AS OF 09/2009 .

Replacement: 

Carry out PROGRAMMING/ENCODING .

ON VEHICLES WITH A PRODUCTION DATE AS FROM 07/2015, INSTALL THE CORRECT NAVIGATION MAP. 

Importing the Service history: 

• 05 Maintenance and Pre-Delivery Check
• Service history