11 00 599 Removing/installing engine from drive unit

WARNING: High-voltage system - danger to life
Compliance with the following points is mandatory before beginning work:

Observe SAFETY INFORMATION for handling electric vehicles.

Necessary preliminary tasks:

Remove COMPLETE DRIVE UNIT

REMOVAL:

Fig 1: Identifying Coolant Hose, Retaining Clip, Clamps And Sound Insulation

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Unclip and remove coolant hose (1) from retaining clip (2).

Lift clamps (3) off of sound insulation (4).

Feed out and remove sound insulation (4).

Unlock and disconnect coolant hose (5).

Fig 2: Identifying Screws And Nut

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Release screw (1).

Release nut (2) on catalytic converter.

Release screws (3) from catalytic converter holder.

Feed out catalytic converter holder.

Release screws (1).

Fig 3: Identifying Screws

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Overview of table lift:

Fixed table lift side
Moving table lift side

Fig 4: Identifying Table Lift

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NOTE: Pull apart slightly for better accessibility of electrical machine with electrical machine electronics of range extender.

Unlock and disconnect coolant hose (1).

For alternating current rapid charging equipment (SA4U8): Detach coolant hose (2).

For alternating current rapid charging equipment (SA4U8): Feed out coolant hose (3).

Fig 5: Detaching Coolant Hose

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Move table lift plate (B) in direction of arrow.

Fig 6: Moving Table Lift Plate

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INSTALLATION:

Move table lift plate (B) in direction of arrow.

Fig 7: Moving Table Lift Plate

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NOTE: Pull apart slightly for better accessibility of electrical machine with electrical machine electronics of range extender.

For alternating current rapid charging equipment (SA4U8): Feed in coolant hose (3).

For alternating current rapid charging equipment (SA4U8): Attach coolant hose (2).

Connect coolant hose (1) and lock.

Fig 8: Detaching Coolant Hose

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Tighten down screws (1).

Tightening torque 27 00 2AZ .

Fig 9: Identifying Screws

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Tighten screw (1).

Tightening torque 27 00 2AZ .

Feed in catalytic converter holder.

Tighten screws (3) of catalytic converter holder.

Tightening torque 18 30 7AZ .

Tighten nut (2) on catalytic converter.

NOTE: Replace nut (2).

Fig 10: Identifying Screws And Nut

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Tightening torque 18 30 2AZ .

Fig 11: Identifying Coolant Hose, Retaining Clip, Clamps And Sound Insulation

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Connect coolant hose (5) and lock.

Feed in and position sound insulation (4).

IMPORTANT: Clamps (3) must be replaced.

Mount clamps (3) on sound insulation (4).

Clip coolant hose (1) into retaining clip (2).

Required follow-up work:

Install COMPLETE DRIVE UNIT .