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Auto Hill Hold Assist
Posted: Wed Oct 09, 2019 8:15 pm
by ShaneyB
Evening all, hump day over and done with.
Noticed a couple of times my AHHA doesn't activate and the green light doesn't come on and won't activate when I press it. Other times it's on straight away.
Am I missing something or is this normal?
Cheers
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 8:25 am
by Lig
hmmmmm, I think there is something wrong. I have never had a problem with mine and the button lights up every time I press it and the green light on dash when I stop.
In order for it to activate 'The drivers door must be closed, the drivers seat belt buckled and the engine running'
Worth noting and mentioning to the dealer.
Cheers,
Lig.
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 9:25 am
by ShaneyB
Thank you. I’ll give it a try later.
Unfortunately at an event at MB World
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 9:38 am
by Iain
I never use auto park brake button and I find at a junction on a hill as an example, (happened on my previous 6 too), if I take my foot off the throttle and foot brake the car remains stationary - no hill hold assist activated - I then touch the throttle and off we go....
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 10:05 am
by Tadass910
Iain wrote: ↑Thu Oct 10, 2019 9:38 am
I never use auto park brake button and I find at a junction on a hill as an example, (happened on my previous 6 too), if I take my foot off the throttle and foot brake the car remains stationary - no hill hold assist activated - I then touch the throttle and off we go....
Exactly, my car does the same
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 11:20 am
by Lig
That is true, but if you are at lights and not such a hill, then the car will creep forwards (or mine does), so I use it so I don't have to keep my foot on the brake....
Cheers,
Lig.
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 4:09 pm
by Kal
I had the same issue, found out it was because I didnt have my seat beat on
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 7:42 pm
by Wattsm666
You also need to press the brake hard to activate it, a gentle stop may not bring it on.
Re: Auto Hill Hold Assist
Posted: Thu Oct 10, 2019 11:44 pm
by MikeFish
All of the above is true. But I had it switched off as I like to creep forward by releasing the brake which didn't always happen with Hill hold on which required a press of the throttle to get it moving. Never had an issue with rolling back on a hill though.
Re: Auto Hill Hold Assist
Posted: Fri Oct 11, 2019 7:14 am
by ShaneyB
Wattsm666 wrote: ↑Thu Oct 10, 2019 7:42 pm
You also need to press the brake hard to activate it, a gentle stop may not bring it on.
It was OK all the way home from Merc yesterday but no need to press hard. As soon as I stopped hill hold kicked in. I'll keep an eye on it.
Cheers