Collision prevention assist packed in.

[harrycatcat]

Is there anyone around Chesterfield that would be recommend to have a look at this for me.
Please bare with me as my phone is playing up with tapatalk or yuku whatever it is.
Tia

Sent from my SM-J510FN using Tapatalk

 

[Blobcat]

Give the sensors a good clean at the front of the car - this can happen with a build up of salt spray in the winter and bugs in the summer.

 

[harrycatcat]

Give the sensors a good clean at the front of the car - this can happen with a build up of salt spray in the winter and bugs in the summer.

I will try that thanks

Sent from my SM-J510FN using Tapatalk

 

[harrycatcat]

Give the sensors a good clean at the front of the car - this can happen with a build up of salt spray in the winter and bugs in the summer.

Unfortunately that didn't work but I don't fancy taking it to Mercedes Chesterfield.
Any recommendations anyone?

Sent from my SM-J510FN using Tapatalk

 

[mioba]

Isn't Damas in Chesterfield

Also MB service centre Mansfield - down the road

 

[harrycatcat]

Isn't Damas in Chesterfield

Also MB service centre Mansfield - down the road

Thanks I will have a look

Sent from my SM-J510FN using Tapatalk

 

[onefortheroad]

https://www.youcanic.com/guide/mercedes-collision-prevention-assist-plus-inoperative-message

 

[harrycatcat]

https://www.youcanic.com/guide/mercedes-collision-prevention-assist-plus-inoperative-message

Thanks for that

It says to leave the car ticking over for 30 minutes to charge up the battery to reset it but it gets run more than that every day so would it be low voltage on the battery?

Sent from my SM-J510FN using Tapatalk

 

[harrycatcat]

Isn't Damas in Chesterfield

Also MB service centre Mansfield - down the road

I'd forgotten about Damas it's just outside Clowne, thanks


Sent from my SM-J510FN using Tapatalk

 

[onefortheroad]

Thanks for that

It says to leave the car ticking over for 30 minutes to charge up the battery to reset it but it gets run more than that every day so would it be low voltage on the battery?

Sent from my SM-J510FN using Tapatalk

I've had the error twice now on my new e350 . I did test the battery the other day it read 11.7 v . I've given it a full charge so I'll see how it goes. Power hungry cars these so maybe just a gripe. I senced my battery was getting low because command unit turned itself off after only 3 minutes, tell tale sign.


I suppose if you get that message and did nothing but drive and it enables itself again whilst driving , it could point to low charge.?

 

[harrycatcat]

I've had the error twice now on my new e350 . I did test the battery the other day it read 11.7 v . I've given it a full charge so I'll see how it goes. Power hungry cars these so maybe just a gripe.

Is it one of those things that just needs plugging into the computer to reset it?

Mine is a 66 plate so it could be the battery is on the way out?



Sent from my SM-J510FN using Tapatalk

 

[onefortheroad]

I just enable it again in the settings . Then it works properly. Its only ever done it when I first turn on the ign.

If it becomes problematic ill turn it off and leave it off .


Futher reading suggests possible software updates required, corrosion in sensors or wiring, faulty radar sensor £700.

Also found this.

For example, if you turn off the engine but keep the ignition on while parked. Once you restart the car, you may be greeted with Collision Prevention Assist Plus Inoperative error message. Keep the vehicle running at idle or driving for about 30 minutes should charge the battery and reset this warning.

I listen to the radio on my break at work. So the voltage drop could be triggering this for me. When I'm driving it never appears.

 

[mioba]

If your concerned about the batterY test it with a voltmeter. Easiest thing to do.
how old is the battery and when was it last changed.

 

[harrycatcat]

I just enable it again in the settings . Then it works properly. Its only ever done it when I first turn on the ign.

If it becomes problematic ill turn it off and leave it off .


Futher reading suggests possible software updates required, corrosion in sensors or wiring, faulty radar sensor £700.

Also found this.

For example, if you turn off the engine but keep the ignition on while parked. Once you restart the car, you may be greeted with Collision Prevention Assist Plus Inoperative error message. Keep the vehicle running at idle or driving for about 30 minutes should charge the battery and reset this warning.

I listen to the radio on my break at work. So the voltage drop could be triggering this for me. When I'm driving it never appears.

Sorry I'm as thick as a brick with technology so do you mean reset it by fiddling with the buttons on the steering wheel?

Sent from my SM-J510FN using Tapatalk

 

[harrycatcat]

If your concerned about the batterY test it with a voltmeter. Easiest thing to do.
how old is the battery and when was it last changed.

The car is September 2016 and as far as I know it's not had a battery I had it at 2 years old.

Sent from my SM-J510FN using Tapatalk

 

[onefortheroad]

The car is September 2016 and as far as I know it's not had a battery I had it at 2 years old.

Sent from my SM-J510FN using Tapatalk

Using the buttons on the steering wheel I can see my voltage in the morning is down to 11.7 v . A u tube video shows a chart and a battery that's at 11.7 v is only 30 to 40 % charged. With the engine running the system sees a good voltage. Probably why I never see that message when its running. Im going to remove my battery and give it a good 24 hours on 4 amps . And go from there.

 

[onefortheroad]

Sorry I'm as thick as a brick with technology so do you mean reset it by fiddling with the buttons on the steering wheel?

Sent from my SM-J510FN using Tapatalk

Yes. You can enable it in the settings menu.

 

[onefortheroad]

A steady 4 amps for 8 hours gave me . 12.5 / 12.3 volts . On the dash .... up from 11.7v .... to check voltage put ign to position 2 , put command display onto trip, press phone and within 1 second press and hold ok . Wait 5 seconds . You'll see another screen saying vehicle information... press ok and it'll show battery state .

 

[onefortheroad]

No warnings the last 2 days.

 

[onefortheroad]

No warnings now since recharge.