Auto Start/Stop
Senior Member
Joined: Mar 2006
Posts: 441
Likes: 210
From: FL
2025 GLE 450, 2022 AMG GLE 53
I had @rjautomotive code mine to "remember last setting", so since March 2022 I shut it off and have never turned it back on again and never have to push a button. Easy.
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Member
Joined: Jun 2021
Posts: 115
Likes: 7
2021 AMG GLE53
I had @rjautomotive code mine to "remember last setting", so since March 2022 I shut it off and have never turned it back on again and never have to push a button. Easy.
Senior Member
Joined: Mar 2006
Posts: 441
Likes: 210
From: FL
2025 GLE 450, 2022 AMG GLE 53
Member
Joined: Mar 2023
Posts: 76
Likes: 19
From: Cape Coral FL
2025 E 350
Nope - and in fact, I love the feature. Asides from the gas savings, here in SW Florida, we have notoriously long traffic signals (I'm talking like 4+ minutes).
What's even sweeter is the auto brake hold feature. No more keeping your foot on the brake👍🏻
What's even sweeter is the auto brake hold feature. No more keeping your foot on the brake👍🏻
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MBWorld Fanatic!
Joined: Oct 2009
Posts: 7,016
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From: Colorado
'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
There's no more wear on the starter mechanism than just driving around town, because it's what also provides the initial boost - before the electric supercharger and then the turbo kick in, giving immediate throttle response without turbo lag.
It's an ISG - Inline Starter Generator - not a separate starter motor.
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Joined: Jun 2021
Posts: 115
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2021 AMG GLE53
Oil circulation (and water, I believe) to the turbo continues while the engine is shut down. Water is circulated with a separate 48 volt water pump, same with the air conditioning compressor.
There's no more wear on the starter mechanism than just driving around town, because it's what also provides the initial boost - before the electric supercharger and then the turbo kick in, giving immediate throttle response without turbo lag.
It's an ISG - Inline Starter Generator - not a separate starter motor.
There's no more wear on the starter mechanism than just driving around town, because it's what also provides the initial boost - before the electric supercharger and then the turbo kick in, giving immediate throttle response without turbo lag.
It's an ISG - Inline Starter Generator - not a separate starter motor.
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Joined: Oct 2009
Posts: 7,016
Likes: 2,198
From: Colorado
'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
That’s interesting. But the oil pump wouldn’t be pumping oil through the engine if the engine is off. The oil would be settling. Then when cranked back up, the internals that require lubricant would be operating without it until the oil pump circulates the oil. This is what I was always taught was the worst thing for an engine. Even if only for a second on start up normally, but now amplified exponentially.
Any modern oil should maintain film strength for at least a few minutes. Multi-vis and all those fancy additives....
And part of that is a old wives tale based on primitive oils from the 30s.
IMO oiling is not an issue for start-stop.
Last edited by mikapen; Sep 23, 2023 at 10:02 AM.
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Joined: Jan 2023
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GLE 580
Just want to add: Auto start/stop has been around for so long now. It's very reliable even with the wear and tear on certain components because manufacturers have beefed those parts up to take the extra # of cycles.
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Joined: Oct 2009
Posts: 7,016
Likes: 2,198
From: Colorado
'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
As reported by my Service Manager after he returned from training. Many years ago, though.
