Removing the operating facility in the center console

Preliminary work

Refer to DEACTIVATING THE 48V ELECTRICAL SYSTEM .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE CENTER ARMREST STORAGE COMPARTMENT TRIM .
Refer to REMOVING THE CENTER CONSOLE TRIM .

deactivating the 48Velectrical system

Precondition

Ignition is switched off.

WARNING: Deactivate the 12V electrical system.
Risk of short circuits! risk of fire!

Make sure that there is No battery charger connected to the jump start terminal in the engine compartment.
For vehicles with additional electrical systems (48Velectrical system, high-voltage vehicle electrical system), this absolutely must be deactivated Before the vehicle battery is disconnected.

WARNING: Deactivate the 48V electrical system.
Risk of short circuits! risk of fire!

Make sure that there is No charger connected to the jump start terminal in the engine compartment.

NOTE: Risk of damage
Damage to the 48V battery
If a 48V battery that is disconnected from the electrical system is activated, the battery electronics will be damaged.

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

NOTE: Technical information
Observe notes on the 48V battery. see additional information 6120... NOTES ON 12V DUAL STORAGE SYSTEM .

Deactivate the 48Velectrical system by opening the hood.
Deactivation is automatic.

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Check

NOTE: Technical information
Zero voltage (48Velectrical system switched-off) is only displayed in pad mode.

Press the start-stop button quickly 3 times without stepping on the brake pedal to establish the pad mode.
Check the de-energized state in the instrument cluster (kombi) in the pad mode.

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Desired state

The check control message "48Velectrical system." switched off (1) is displayed.

Result

» Absence of voltage cannot be specified with the check control message "48Velectrical system switched off." (1). work start is not permitted.

Measure

Repeat the "deactivate 48Velectrical system" service function.
- Vehicle management > service function > voltage supply > deactivate 48Velectrical system
Only if the check control message "48Velectrical system switched off." (1) is displayed in the instrument cluster (kombi), the 12V battery may be disconnected.

Contact the technical support if the absence of voltage is not clearly given.

Result

» the check control message reports that 48Velectrical system is switched off.

Measure

Exit pad mode by pressing the start-stop button once without stepping on the brake pedal.
"disconnect the negative battery cable of the 48V battery" work can be started.

Unlock and disconnect the can bus plug connection (1) of the gear sensor.
Release the clip (2).

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Loosen nut (1).
Detach the negative battery cable (2) of the 48V battery from the negative battery terminal, set to one side and secure.

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WARNING: Unprotected battery terminals.
Risk of short circuits! risk of fire!

Cover the vehicle battery.

Cover the vehicle battery with the special tool 2 452 007 as shown.
Position the battery ground lead (1) as shown.

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disconnecting all battery ground leads

See 61 20 BATTERY GROUND . .

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Loosen screws (1).
Remove operating facility in the center console (2) from center console (3).
Unlock associated plug connections and disconnect.

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