Install driver's seat

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WARNING: Pyrotechnic components .
Danger! Immobilization period-threatening injuries!

All work on pyrotechnic parts may be carried out by technically experienced and appropriately trained personnel only.
Replace any damaged part or ones that have been dropped.
For additional information see: 72 00 SAFETY REGULATIONS ON HANDLING COMPONENTS WITH GAS GENERATORS .

NOTE: RISK OF DAMAGE
Careless handling of tools and sharp-edged components .
Scratches, surface damage .

Protect working area.
Handle tools and components carefully.

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Cover the door sill using protective covers.

NOTE: RISK OF DAMAGE
Heavy component .
Heavy components can lead to injury or damage .

Remove and install heavy components with the aid of another person/other persons.

Lift front seat (1) into the vehicle with the assistance of a support person.
Place front seat (1) to the rear.
Connect connectors (2) and lock.
Check all plug connections for completeness, correct fit and locking where required .
Attach the cable clip (3).

Disconnecting all battery ground leads

See additional information.

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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 (1).
Remove special tool 2 452 007 .

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Release the negative battery cable (2) of the 48-V battery from the attachment.
Position the negative battery cable (2) of the 48-V battery on the negative battery terminal.
Tighten the nut (1).

TIGHTENING TORQUE SPECIFICATIONS

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

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Connect the connector (1) of the CAN bus and lock it.
Clip in the clip (2).

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Activate the 48 V electrical system by closing the hood.
The activation takes place automatically.

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Shift front seat rearwards.
Replace screws (1).
Parts: Screws

Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Seat to body
Cheese head screw with collar Replace screw.	Tightening torque	42 Nm
Cheese head screw with collar Replace screw.	Tightening torque	42 Nm

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Shift front seat forwards.
Replace screws (1).
Parts: Screws

Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATIONS

Seat to body
Cheese head screw with collar Replace screw.	Tightening torque	42 Nm
Cheese head screw with collar Replace screw.	Tightening torque	42 Nm

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Follow-up work

Refer to INSTALLING THE STRAP FITTING .