Antitheft and Alarm Systems: Locations

Central Locking System

Anti-Theft Alarm System Assembly Overview







1 Front Hood Switch -F266-
• In hood lock
2 Alarm horn -H12-
• In right front wheel housing
3 Comfort System Central Control Module -J393-
• Behind glove compartment
4 Front Passenger Door Control Module -J387-
• In front passenger door
5 Front Passenger Door Contact Switch -F3-
• In Front Passenger Door Central Locking Lock Unit -F221-
6 Radar Interior Monitoring Control Module -G303- with Interior monitoring sensor -G273- and Vehicle Inclination Sensor -G384-
• In roof console
7 Right Rear Door Contact Switch -F11-
• In Right Rear Central Locking Lock Unit -F223-
8 Rear Lid Lock Unit -F256-
9 Left Rear Door Contact Switch -F10-
• In Left Rear Central Locking Lock Unit -F222-
Anti-Theft Alarm System Assembly Overview continued





10 - Interior Monitoring Deactivation Switch -E267- and Deactivate Vehicle Inclination Sensor Button -E360-
• In driver side B-pillar trim

11 - Driver Door Contact Switch -F2-
• In Driver Door Central Locking Lock Unit -F220-

12 - Central Locking -SAFE- Indicator Lamp -K133-
• In front door trim

13 - Driver Door Control Module -J386-
• In driver door

14 - Central Locking and Anti-Theft Alarm System Antenna -R47-
• Incorporated permanently into the wiring harness behind A-pillar trim


High and Low Tone Horn






2 - Electrical connection
3 - High Tone Horn -H2- or Low Tone Horn -H7-
- High Tone Horn -H2- is installed at left and Low Tone Horn -H7- is installed at right next to the radiator

Compass magnetic field sensor -G197-







• On early models G197 is located behind the right rear tail light assembly

• For vehicles with Satellite navigation system, G197 is integrated within
the navigation unit

1 - Compass magnetic field sensor -G197- located in the trunk lid.