New GLC 250d AMG owner

danpotter31

Discussion Starter · #2 · Oct 5, 2017

I took delivery of my new car yesterday and absolutely love it so far. The only thing I cant figure out (maybe as it doesnt have it?) are parking sensors, audible parking sensors that Ive had on other vehicles.

I can literally be a foot away from a car Im parking behind in my street and it does not make a beeping sound at all? In my previous vehicle (Audi) the car would beep progressively faster the closer you were to an object, car or person.

Any help on this? New to this forum too.
Thanks

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Toobad

· #3 · Oct 5, 2017

Hi Dan, congratulations on your purchase and a warm welcome to the forum. The GLC does indeed have a total of 12 ultrasonic parking sensors at the front and rear, they are the circular devices set into the valances. Distances are gauged by the left and right histograms displayed at the top of the LCD screen between the speedo and rev counter. As you get closer to an object the number of amber blocks increase. At a certain proximity red blocks are added and a continuous audible warning is heard. Be aware raindrops and insect strikes can also trigger the sensors into a full scale deflection with warning beep for no apparent reason. I would expect an audible warning when you are within one foot of an object but I don't know the actual trigger distance for the alarm.

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danpotter31

Discussion Starter · #4 · Oct 5, 2017

Toobad said:
Hi Dan, congratulations on your purchase and a warm welcome to the forum. The GLC does indeed have a total of 12 ultrasonic parking sensors at the front and rear, they are the circular devices set into the valances. Distances are gauged by the left and right histograms displayed at the top of the LCD screen between the speedo and rev counter. As you get closer to an object the number of amber blocks increase. At a certain proximity red blocks are added and a continuous audible warning is heard. Be aware raindrops and insect strikes can also trigger the sensors into a full scale deflection with warning beep for no apparent reason. I would expect an audible warning when you are within one foot of an object but I don't know the actual trigger distance for the alarm.

Thank you this makes sense now!

I?ve read quite a bit saying apple car play can be put onto the car after purchase sometime in 2018, providing the car doesn?t have the command system? Is this right?

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Philamg

· #5 · Oct 5, 2017

Welcome Dan, be aware the amber/red blocks for reversing are for some reason in the roof above the rear seat backs, you can see them by turning around or through the rear view mirror. Makes a mockery of having a reversing camera as you can't see both at the same time. Other systems beep at a distance and beep quicker as you get nearer an object but the MB system only beeps when the red blocks appear and as Toobad says this is about a foot from an object which in my opinion is too close. These sensors are the only fault I have with the GLC, they should be in the reversing camera screen with the front sensors at the top and the rear ones at the bottom, would make a lot more sense in my opinion.

May be worth you adding your location to your profile as some of the questions you may have could be market specific.

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CRNCYX

· #6 · Oct 6, 2017

Welcome to the forum!

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WaltinAnsbach

· #7 · Oct 6, 2017

danpotter31 said:
I took delivery of my new car yesterday and absolutely love it so far. The only thing I cant figure out (maybe as it doesnt have it?) are parking sensors, audible parking sensors that Ive had on other vehicles.

I can literally be a foot away from a car Im parking behind in my street and it does not make a beeping sound at all? In my previous vehicle (Audi) the car would beep progressively faster the closer you were to an object, car or person.

Any help on this? New to this forum too.
Thanks

Mine does not have this option either. You had to add this--and I forget the specific name of the option/package.

As standard, though, it does have the sensors in the front--that are designed to warn you/brake if you approach a vehicle to your front too quickly.

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Toobad

· #8 · Oct 6, 2017

In the UK the facility is known as Parktronic and comes as standard with all models. In other markets Mercedes may have decided to offer it as an option, perhaps to achieve a lower entry level price so their models appear more attainable to people on tight budgets.

Parktronic is selectable by button (middle left of the dial/touchpad on RHD UK models) If it has been deactivated a green light shows on the button which I find to be somewhat counter-intuitive but I guess the intention is that the default is active and the green light is a warning that it is disabled. Parktronic is also inactive when the car's transmission is in P so be sure you are in D,R or N when testing it. You also know Parktronic is available if you see the blue P in the middle of the histogram display.

The histograms for both front and rear comprise of 5 amber blocks and 2 red blocks for each side. The first block will light up when there is something 100cm from the centre or 60cm from the corner at the front of the car and 120cm from the centre or 80cm from the corner at the rear of the car. When the first red block lights it is accompanied by a 2 second intermittent audible alarm. When the second red block comes on you get 2 seconds of continuous audible alarm. At this point the centre of the car is 20cm from the object or the corners are 15cm away and this applies both to the front and rear. There are no further warnings beyond this and further progress will probably result in the settling of a bowel-emptying repair bill !!!!

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