Removing CPM

WARNING: High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see: 61 00... SAFETY INSTRUCTIONS on handling hybrid cars
For additional information see: 61 25... NOTES on repair of high-voltage battery unit

Preliminary work

Disconnect all battery GROUND LEADS .

WARNING: Potential equalization in high-voltage system.
Mortal hazard if the potential equalization screw connection is not correct!

Observe the safety requirements for the potential equalization screw connection.
Clean contact faces and have then checked by a second person.
Tighten the screws/nuts for potential equalization with torque; have a second person check the torque.
Correct execution of these tasks must be documented in the vehicle records by both persons.

Loosen screws (1).
Flip down lid (2) with the CPM.

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Loosen screw (1).
Set potential equalization (2) to one side.
Unlock and disconnect plug connections (3) from the CPM (5).
Unclip cable ties (4).

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Loosen the detents (1).
Pull out and remove CPM (2) from the lid (3).

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