2017 e220d Lock Car With Engine Running

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New Member
May 11, 2014
SL350 & E220d
Please don't judge me but if my car is very frosted I like to lock it with the engine running while I eat my cereal. (I have another car in my garage).
This means visibility is perfect as I drive off.

My last car was a 5 series and I could simply hop in, start the car then get out and lock it.

This morning, I started my W213 but found it wouldn't lock from the outside. I have keyless entry if it helps.

Can anyone suggest a workaround that will allow me to lock the car from the outside with the engine running?

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