- Mercedes Benz E Class Why is My Power window not working
Guide to diagnose trouble and recommended solutions
Rolling down the windows with the key?




Sounds strange, but is pretty simple once you try it a couple of times.
To roll them back up just hold the lock button.
The IR on the key worked great on my old C32 from several feet away, but never worked from more than 1" away on my E55. Also the E55 only has the sensor on the driver door handle so I prefer to just use the buttons on the door handle since I can do it from any door.
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Sounds strange, but is pretty simple once you try it a couple of times.

According to the manual (E63) you can only use the summer open option via the smart key and NOT keyless go. It says you can auto close the windows and roof with the handle button with keyless go, but you can't open the windows and roof.
____________
If the weather is warm, you can ventilate the
vehicle before driving off by simultaneously:
opening the door windows
opening the tilt/sliding sunroof
opening the panorama roof and roller
sunblinds
switching on the seat ventilation for the
driver’s seat
The summer opening feature can only be
activated via the remote control of the
SmartKey. The SmartKey must be in close
proximity to the driver’s outside door handle.
Aim transmitter eye of the SmartKey at the
driver’s outside door handle.
The door windows and the tilt/sliding panel
opens after approximately 1 second.
Release button on the SmartKey to
interrupt the opening procedure.
Vehicles with tilt/sliding sunroof
Press and hold button on the
SmartKey until the door windows and the
tilt/sliding sunroof have reached the
desired position.
The vehicle unlocks.
Release button on the SmartKey to
interrupt the opening procedure.
Vehicles with panorama roof (sedan)
When roller sunblinds are extended:
Press and hold button on the
SmartKey.
The vehicle unlocks.
The door windows open and the roller
sunblinds begin to retract after
approximately 1 second.
With the door windows opened and the
roller sunblinds fully retracted, press and
hold button on the SmartKey again.
The tilt/sliding panel opens.
Release button on the SmartKey to
interrupt the opening procedure.
When roller sunblinds are retracted:
Press and hold button on the
SmartKey.
The vehicle unlocks.








Sounds strange, but is pretty simple once you try it a couple of times.
To roll them back up just hold the lock button.
The IR on the key worked great on my old C32 from several feet away, but never worked from more than 1" away on my E55. Also the E55 only has the sensor on the driver door handle so I prefer to just use the buttons on the door handle since I can do it from any door.





According to the manual (E63) you can only use the summer open option via the smart key and NOT keyless go. It says you can auto close the windows and roof with the handle button with keyless go, but you can't open the windows and roof.
____________
If the weather is warm, you can ventilate the
vehicle before driving off by simultaneously:
opening the door windows
opening the tilt/sliding sunroof
opening the panorama roof and roller
sunblinds
switching on the seat ventilation for the
driver’s seat
The summer opening feature can only be
activated via the remote control of the
SmartKey. The SmartKey must be in close
proximity to the driver’s outside door handle.
Aim transmitter eye of the SmartKey at the
driver’s outside door handle.
The door windows and the tilt/sliding panel
opens after approximately 1 second.
Release button on the SmartKey to
interrupt the opening procedure.
Vehicles with tilt/sliding sunroof
Press and hold button on the
SmartKey until the door windows and the
tilt/sliding sunroof have reached the
desired position.
The vehicle unlocks.
Release button on the SmartKey to
interrupt the opening procedure.
Vehicles with panorama roof (sedan)
When roller sunblinds are extended:
Press and hold button on the
SmartKey.
The vehicle unlocks.
The door windows open and the roller
sunblinds begin to retract after
approximately 1 second.
With the door windows opened and the
roller sunblinds fully retracted, press and
hold button on the SmartKey again.
The tilt/sliding panel opens.
Release button on the SmartKey to
interrupt the opening procedure.
When roller sunblinds are retracted:
Press and hold button on the
SmartKey.
The vehicle unlocks.
Same with the lock botton on the fob. Hold that down pointing your fob at the drivers side handle and all the windows and sunroof roll up!
Pretty cool feature, thanks for sharing this.
As I live in AZ it's nice to know this so I can roll down the windows remotely to cool the car down quickly.

Alex












