First read and observe the introductory information
and safety warnings 
The Coming Home function is switched on manually. However, the Leaving Home function is controlled automatically by a twilight sensor.
| Coming Home | Action |
|---|---|
| Switching on |
– Switch off the ignition. – Operate the headlight flasher for approximately one second   . The Coming Home lights are switched on when the driver door is opened. The switch-off delay starts when the last vehicle door or the tailgate has been closed. |
| Switching off |
– Occurs automatically once the set switch-off delay has elapsed. – Occurs automatically if another vehicle door or the tailgate is opened within approximately 30 seconds of it being switched on. – Turn the light switch to position .– Switch on the ignition. |
| Leaving Home | Action |
|---|---|
| Switching on |
– Unlock the vehicle when the light sensor is in position
and
the twilight sensor that it is dark. |
| Switching off |
– Occurs automatically once the switch-off delay has elapsed. – Lock the vehicle. – Turn the light switch to position .– Switch on the ignition. |
Surround lighting in the exterior mirrors
The surround lighting in the exterior mirrors lights up the area directly around the doors while you are entering or exiting the vehicle. It is switched on when the vehicle is unlocked, when opening the driver door or when the Coming Home or Leaving Home lighting function is active. If the vehicle is equipped with a light sensor, the surround lighting in the exterior mirrors will only be switched on when it is dark.
The length of the switch-off delay can be adjusted, or the function can be activated
or deactivated, using the
button and the
and Light function buttons in the infotainment
system   .
When the Coming Home function is switched on, no acoustic warning will sound when the driver door is opened to remind you that a light is still switched on.
Switching over headlights for driving abroad (travel mode)
Headlight range control, instrument and switch lightingCavity sealing, rear body
Cavity sealing, wheel housing and underbody at rear, 4-Motion
vehicles
Illustration shows left side. The right side is the mirror image.
Note
The indicated areas have been treated with cavity sealant and must
be resealed following repairs.
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Removing and installing parking aid control unit -J446-, RHD vehicle
Note
When renewing the control unit, select
Renew function for the respective control unit in
Guided fault finding or
Guided functions mode
→ Vehicle
diagnostic tester.
Removing
â ...
Before operating the air conditioning system after recharging with
refrigerant
After installing a new air conditioner compressor or filling
with fresh refrigerant oil (e.g. after blowing out refrigerant
circuit), turn compressor pulley 10 revolutions by hand before
starting engine. This will prevent damage to the air conditioner
...