Electric Park and HOLD function --Aren't they the same?
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From: Covington, WA
2010 E350 4Matic ML350 on order
Electric Park and HOLD function --Aren't they the same?
I've been doing some testing and they both work the same, or am I missing something. Both release when you touch the accelerator peddle and I guess it would be a little easier when you come to a stop on a hill to just hit the park button.
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From: Australia
X350d GLE500e 2017, ML350 BlueTec 2012(sold), A200 2013, ML350CDI 2009(sold), Aston Martin DB7 2003
I understand the HOLD works electronically on the hydraulics, whereas the Electric Park uses an electric motor to wind on the traditional cable operated drum brake in the rear discs.
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2012 ML 350 BlueTec
From what I remember car brake systems are required to have a back up system. Hence the cable back up for the hydraulic system. The cable system also does double duty as the parking brake.
As for the "HOLD" feature. I use it all the time and love it. As for the parking brake, I have never tried it.
As for the "HOLD" feature. I use it all the time and love it. As for the parking brake, I have never tried it.
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300D Turbo 1984
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From: Charlotte, NC
'15 GL350 Bluetec
Yes, drum. Parking brakes are independent of the operating brakes and are drums.
For those that mentioned they have never used their parking brake - you should. In fact it should be engaged before you shift the transmission to park so as to prevent undue stress on the gearbox internals. Or so I've been told.
Just sayin'!
For those that mentioned they have never used their parking brake - you should. In fact it should be engaged before you shift the transmission to park so as to prevent undue stress on the gearbox internals. Or so I've been told.
Just sayin'!
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300D Turbo 1984
Yes, drum. Parking brakes are independent of the operating brakes and are drums.
For those that mentioned they have never used their parking brake - you should. In fact it should be engaged before you shift the transmission to park so as to prevent undue stress on the gearbox internals. Or so I've been told.
Just sayin'!
For those that mentioned they have never used their parking brake - you should. In fact it should be engaged before you shift the transmission to park so as to prevent undue stress on the gearbox internals. Or so I've been told.
Just sayin'!
Have you ever tried the P brake while in D? try it.... the brake pulses a little. also i dont think there is space in the rear rotor for a "drum." Might be a separate mechanical piston activation?
Where are the experts>?>
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300D Turbo 1984
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From: Near Niagara Falls, Canada
2013 ML BLUETEC JULY 31
Its COMMON knowledge. However TwoDivers may have some. But if you don't trust an affirmative answer please take your toys and stop playing in our sandbox. Your ? Is not welcome.
Here is an older model but you can find many others on youtube
First found one of a sprinter
Here is an older model but you can find many others on youtube
First found one of a sprinter
Last edited by dougiebear; Jul 1, 2012 at 04:56 PM.
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300D Turbo 1984
if it were so COMMON... this thread would not exist.
negative and defensive reaction to some-one asking for proof speaks to a level of insecurity, this is the reason asia and south america are dominating us in academia. people get offended when asked for proof here in our western mc'D society.
lastly, if it truly were a completely independent system then the application of the P brake while in D would not give the driver a pump feedback on the brake pedal.
please lets not start a pissing contest here... only wish to get facts as I was taught in the service. "if you are going to point the gun you better be willing to pull the trigger" which translates civilian to "If you are going to propose or say something be sure to be able to defend it."
cheers
i'd buy you a beer and we can ***** about this over chicken wings. no hard feelings sir/ma'am
