Activating the 48 V electrical system

Precondition

Ignition is switched off.

NOTE: RISK OF DAMAGE
Damage to the 48-V battery
If a 48-V battery that is disconnected from the electrical system is activated, the battery electronics will be damaged.

Only ever activate the 48 V electrical system when the 48 V battery is fully connected up.

Raise the battery ground cable.
Remove special tool 2 452 007 .

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Release the negative battery cable of the 48-V battery from the attachment.
Position the negative battery cable of the 48-V battery on the negative battery terminal.

Tighten nut.

TIGHTENING TORQUES SPECIFICATION

Negative battery cable to 48-V battery
Nut M8	tightening torque	19 Nm

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Connect the connector of the CAN bus and lock it.
Clip in clip.

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Activate the 48 V electrical system by closing the hood.

Activation is automatic.

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Follow-up work

Refer to INSTALLING THE CENTER CONSOLE TRIM .
Refer to INSTALLING TRIM IN STORAGE COMPARTMENT OF CENTER ARMREST .
Refer to ENCODING/PROGRAMING CONTROL UNIT(S) .
Refer to ACTIVATING ELECTRICAL SYSTEM .