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Discussion Starter · #1 ·
I hope to soon be ordering an EQE SUV. I have been considering the heated windscreen option, but after "asking the internet" I have come up with more reasons to NOT have it than to have it.
This, especially since I live and drive in a climate that may have me scraping a windscreen no more than one or two times per year.

Thus far, I have concluded that I will not order this option. But, I would be grateful to hear from EQE or EQS owners that do have this option regarding one specific thing:
Do you find it more effective than using the defrost blower for quickly eliminating interior fog? The occasional need to eliminate interior fog is my only need. I understand from reading that the EQ cars recycle heat generated by the motors and batteries to the extent possible to heat the cabin. This makes me think that I might occasionally eliminate fog with the blower with little or no range impact. What say you?
 

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....But, I would be grateful to hear from EQE or EQS owners that do have this option regarding one specific thing:
Do you find it more effective than using the defrost blower for quickly eliminating interior fog?...
I have the Heated Windshield option in my EQS 450 4Matic SUV. It has not been quite cold enough here in Philadelphia for this option to be activated. My understanding is that it will not necessarily be useful in clearing a fogged window since there are no controls to turn this option on/off. I believe the Heated Windshield will be turned on in conjunction with the cabin preheat feature. So theoretically, turning on the cabin preheat 20 or 30 minutes before departure should clear any ice from the windshield. It's not clear to me if the Heated Windshield remains active while driving. If it does, then it may very well prevent the windshield from fogging in the first place.

I expect to be able to observe the operation of this feature in the next couple of weeks as temperatures drop below freezing.
 

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Discussion Starter · #3 ·
Thank you, Lazarus. A very useful and informative response. If there's no way to manually turn it on and off for the occasional need to remove interior fog, then it would be overkill and a waste of money for me to order it. I agree with you that having it on all the time may prevent fogging in the first place, but I wouldn't want that, as I value range more than having two possible ways to clear a fogged windshield.

I lived in Philadelphia for 10 years and was surprised to find that the extreme south of Sweden (where I live now), has milder mid-winter temps than Philadelphia. We rarely see temps below freezing and rarely get any snow -- and then, never more than a few inches. So, the winters are quite mild here...but, oh...the darkness!!
 

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Had a chance to experience the heated windshield this past weekend. Went out to hotel parking lot to load luggage into SUV and windshield was iced over. Turned on interior pre-heat and returned to hotel for quick breakfast. Came out to completely cleared windshield 20 minutes later.

I find it odd that it is necessary to specify a departure time to activate pre-heat option.

The heated windshield is about a $500 option. But, is only available with insulated glass and Winter package which is another $2K+ in options.
 

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I hope to soon be ordering an EQE SUV. I have been considering the heated windscreen option, but after "asking the internet" I have come up with more reasons to NOT have it than to have it.
This, especially since I live and drive in a climate that may have me scraping a windscreen no more than one or two times per year.

Thus far, I have concluded that I will not order this option. But, I would be grateful to hear from EQE or EQS owners that do have this option regarding one specific thing:
Do you find it more effective than using the defrost blower for quickly eliminating interior fog? The occasional need to eliminate interior fog is my only need. I understand from reading that the EQ cars recycle heat generated by the motors and batteries to the extent possible to heat the cabin. This makes me think that I might occasionally eliminate fog with the blower with little or no range impact. What say you?
On the EQC the ordinary pre heat is sufficient to de ice the windscreen so I personally will not option it.
 

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Hi EQE Blue - can you explain a bit further what you mean by this? I am not understanding what you mean by "switchable rolling". Do you mean comfort-mode for regeneration??
Shoot, typo. Switchable ‘tolling’ like what you’d have in areas that have toll system that need to be set either as single, dual or more vehicle occupancy. Google Fastrak flex.
 
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