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Access/Start Authorization System Overviews







Keyless Access System Overview






1 Access/Start Authorization Button (E408)

Multi Media Interface (MMI) basic installation location: inside the center console cover.

MMI comfort installation location: Inside the frame for the multimedia system control head (E380).

Removing and installing, refer to => [ Access/Start Authorization Button (E408) ] Access/Start Authorization Button (E408).

2 Electronic Steering Column Lock Control Module (J764)

3 Passenger Side Exterior Door Handle

With the right front exterior door handle touch sensor (G606).

Overview, refer to => [ Keyless Access Authorization System Outside Door Handle Overview ] Keyless Access Authorization System Outside Door Handle Overview.

4 Rear Passenger Side Exterior Door Handle

With the right rear exterior door handle touch sensor (G418).

Overview, refer to => [ Keyless Access Authorization System Outside Door Handle Overview ] Keyless Access Authorization System Outside Door Handle Overview.

5 Comfort System Central Control Module (J393)

Component location: Behind the right side luggage compartment side trim panel.

Removing and installing, refer to => [ Comfort System Central Control Module (J393) ] Comfort System Central Control Module (J393).

6 Access/Start Authorization Antenna in Luggage Compartment (R137)

Component location: On the left side luggage compartment rear lid end panel.

Removing and installing, refer to => [ Access/Start Authorization Antenna in Luggage Compartment (R137) ] Access/Start Authorization Antenna In Luggage Compartment (R137).

7 Central Locking and Anti-Theft Alarm System Antenna (R47)

Integrated inside the rear window.

8 Rear Driver Side Exterior Door Handle

With the left rear exterior door handle touch sensor (G417).

Overview, refer to => [ Keyless Access Authorization System Outside Door Handle Overview ] Keyless Access Authorization System Outside Door Handle Overview.

9 Left Access/Start Authorization Antenna (R200)

Component location: On the left rear door.

Removing and installing, refer to => [ Left Access/Start Authorization Antenna (R200) ] Left Access/Start Authorization Antenna (R200).

10 Driver's Side Exterior Door Handle

With the left front exterior door handle touch sensor (G605).

Overview, refer to => [ Keyless Access Authorization System Outside Door Handle Overview ] Keyless Access Authorization System Outside Door Handle Overview.

11 Access/Start Authorization Antenna 1 in Vehicle Interior (R138)

Component location: Under the front of the center console.

Removing and installing, refer to => [ Access/Start Authorization Antenna 1 in Vehicle Interior (R138) ] Access/Start Authorization Antenna 1 In Vehicle Interior (R138).

Access/Start Authorization Antenna 1 in Vehicle Interior Bolt Tightening Specification






1. Access/start authorization antenna 1 in vehicle interior

2. Mount

3. Electrical connector

4. Bolt - 2 Nm


Left Access/Start Authorization Antenna Bolt Tightening Specification






- Tighten the bolts - arrows - for the left access/start authorization antenna to 2 Nm.

Access/Start Authorization Antenna in Luggage Compartment Bolt Tightening Specification






- Tighten the nuts - arrows - for the access/start authorization antenna in luggage compartment to 2 Nm.