Install the left and right front seat

NOTE: Description is for left component only. Procedure on the right side is identical.

Install front seat

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: SAFETY REGULATIONS FOR 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.
Attach the cable clip (3).

Activate vehicle-specific high-voltage or low-voltage vehicle electrical system

NOTE: TECHNICAL INFORMATION
Follow the vehicle-specific instructions described in the additional information.

Activate the vehicle electrical system as described in the 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 disconnected from the on-board electrical system is activated, the battery electronics are 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 (1).

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

TIGHTENING TORQUES SPECIFICATION

Seat to body
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 TORQUES SPECIFICATION

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

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Installing the front strap fitting

NOTE: TECHNICAL INFORMATION
Clean all belt fittings with microencapsulated male and female threads.
Shavings or other debris must not remain in the components.
If a microencapsulated screw is reused, it must be coated with the following screw locking agent: Loctite 243, medium strength.
The screw connection must be completed within 10 minutes as hardening begins after this period.

Fully adjust the front seat to the front and top.
Insert the end fitting (2).
Replace the screw (1).
Parts: Screw
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Seat belt strap fitting to seat mechanism
M10 Replace screw.	tightening torque	42 Nm

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