Roof Trim Lights and Switches Overview

Roof Trim Lights and Switches Overview

Humidity sensor, front vanity mirror illumination, front interior lamp, garage door opener control module, ambient lighting bulb and rear reading lamp






1 Garage Door Opener Control Module (J530)

• Removing and installing, refer to => [ Garage Door Opener Control Module ] Garage Door Opener Control Module (J530).

2 Humidity Sensor (G355)

• Overview, refer to=> [ Headlamp Assistant, Humidity Sensor and Lane Assist Overview ] Headlamp Assistant, Humidity Sensor and Lane Assist Overview.

3 Front Passenger Vanity Mirror Lamp (W14)

• Removing and installing, refer to => [ Illuminated Vanity Mirror ] Illuminated Vanity Mirror.

4 Interior Lights/Front Reading Lights

• With front interior lamp (W1) , left front reading lamp (W65) , right front reading lamp (W66).

• Removing and installing, refer to => [ Front Interior Lamp/Reading Lamp ] Front Interior Lamp/Reading Lamp.

5 Front Interior Lamp Button (E326)

• Common part with interior lamp/front reading lamp.

6 Rear Reading Lamp Front Button (E635)

• Common part with interior lamp/front reading lamp.

7 Left Front Reading Lamp Button (E633)

• Common part with interior lamp/front reading lamp.

8 Sunroof Button (E325)

• Removing and installing, refer to => [ Sunroof Button ] Sunroof Button (E325).

9 Garage Door Opener Control Head (E284)

• Removing and installing, refer to => [ Garage Door Opener Control Head (E284) ] Garage Door Opener Control Head (E284).

10 Right Front Reading Lamp Button (E634)

• Common part with interior lamp/front reading lamp.

11 Button

• For the individual door contact switch.

• Common part with interior lamp/front reading lamp.

12 Right Ambient Roof Lamp (W77)

• Integrated in the headliner and cannot be replaced separately if faulty.

• Replace the headliner..

13 Right Rear Reading Lamp (W12)

• With right rear reading lamp switch (E455).

• Removing and installing, refer to => [ Rear Reading Lamps ] Rear Reading Lamps.

14 Left Rear Reading Lamp (W11)

• With left rear reading lamp switch (E454).

• Removing and installing, refer to => [ Rear Reading Lamps ] Rear Reading Lamps.

15 Left Ambient Roof Lamp (W76)

• Integrated in the headliner and cannot be replaced separately if faulty.

• Replace the headliner..

16 Driver Vanity Mirror Lamp (W20)

• Removing and installing, refer to => [ Garage Door Opener Control Module ] Garage Door Opener Control Module (J530).

Panorama Sunroof Button, Rear Vanity Mirror Illumination, Rear Reading Lamp






1 Sunroof Button (E325)

• For the panorama sunroof.

• There are different versions. Refer to Electronic Parts Catalog (ETKA).

• Removing and installing, refer to => [ Sunroof Button ] Sunroof Button (E325).

2 Right Illuminated Vanity Mirror (W50)

• Removing and installing, refer to => [ Illuminated Vanity Mirrors (Panorama Roof) (W49)/(W50) ] Illuminated Vanity Mirrors (Panorama Roof) (W49)/(W50).

3 Right Vanity Mirror

• With right vanity mirror contact switch (F299) , cannot be replaced separately.

4 Right Rear Reading Lamp 2 (W79)

• Removing and installing, refer to => [ Rear Reading Lamp 2 (W78)/(W79) ] Rear Reading Lamp 2 (W78)/(W79).

5 Left Rear Reading Lamp 2 (W78)

• Removing and installing, refer to => [ Rear Reading Lamp 2 (W78)/(W79) ] Rear Reading Lamp 2 (W78)/(W79).

6 Left Illuminated Vanity Mirror (W49)

• Removing and installing, refer to => [ Illuminated Vanity Mirrors (Panorama Roof) (W49)/(W50) ] Illuminated Vanity Mirrors (Panorama Roof) (W49)/(W50).

7 Left Vanity Mirror

• With left vanity mirror contact switch (F298) , cannot be replaced separately.

Front Interior Lamps/Reading Lamps, Tightening Specifications






- Tighten the bolt - 3 - to 4.5 Nm.

Tightening Specification: Sunroof Button (E325)






- Tighten the bolts - arrows - to 0.8 Nm.

Tightening Specification: Roof Electronics Control Module (J528)






- Tighten the screws - 2, 4, 5 and 6 - with 0.8 Nm.