Does your car have 'standby' mode?
#4
You'll need to turn the car off first, then without pushing the brake pedal, push the start button twice (engine should not start, but all warning lights should turn on), and that option should be enabled.
#5
I just tried per your above introduction. I still ddint see it. The feature might not be available on the US version GLE
#7
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#8
The loaners I got has some weird configuration in the infotainment system. One example is the map is disabled in the unit, but the option still show up in the cluster (so it is half disabled?)
#9
#10
Mine's 2021 GLE350, just tried this last night and it works:
Car is off, ignition OFF. Press Start/Stop button once (ACC), button still disabled and grayed out, along with "Function only available when ignition switched on and engine off":
Press Start/Stop button again with foot off the brake to ON position, and the button is no longer grayed out:
And if you move the cursor to it, it tells you how long you can leave it (18 weeks on mine):
Pardon the dusty screen.
Car is off, ignition OFF. Press Start/Stop button once (ACC), button still disabled and grayed out, along with "Function only available when ignition switched on and engine off":
Press Start/Stop button again with foot off the brake to ON position, and the button is no longer grayed out:
And if you move the cursor to it, it tells you how long you can leave it (18 weeks on mine):
Pardon the dusty screen.
#11
Mine's 2021 GLE350, just tried this last night and it works:
Car is off, ignition OFF. Press Start/Stop button once (ACC), button still disabled and grayed out, along with "Function only available when ignition switched on and engine off":
Press Start/Stop button again with foot off the brake to ON position, and the button is no longer grayed out:
And if you move the cursor to it, it tells you how long you can leave it (18 weeks on mine):
Pardon the dusty screen.
Car is off, ignition OFF. Press Start/Stop button once (ACC), button still disabled and grayed out, along with "Function only available when ignition switched on and engine off":
Press Start/Stop button again with foot off the brake to ON position, and the button is no longer grayed out:
And if you move the cursor to it, it tells you how long you can leave it (18 weeks on mine):
Pardon the dusty screen.
I just tried it again on my car, and still didn't see that option available.
I guess it might be not available on 450 due to the mild hybrid system?
#12
#15
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Joined: Dec 2019
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From: Toronto, Canada
PFL205.064 with M276.823 (Oil pump solenoid defeated)
It is a good to have feature so not sure why it was not included in some vehicles, even with 48V system, there is still a 12V battery and when it is low there could be low voltage issues. Actually, even full electric MB models have a 12V battery (although they can use the high voltage battery to charge the 12V battery if it gets low).