Why do some Mercedes have this on their grill?
Why do some Mercedes have this on their grill?
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Discussion

Deranged Granny

Original Poster:

2,323 posts

197 months

Friday 12th October 2012
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As per this example:



Anyone know why? It ruins the look of the front IMO.

niva441

2,149 posts

260 months

Friday 12th October 2012
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I believe it is part of the radar for the adaptive cruise control.

SimNugget

580 posts

199 months

Friday 12th October 2012
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Yes it is, and it is ugly.

Some others have a solid Merc star which also looks a bit odd too.


GTIR

24,741 posts

295 months

Friday 12th October 2012
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Yes, radar.

Which I may add is quite rubbish.
On a sharp right-hander on the motorway/duel carriageway it'll detect a truck in the inside lane and think it's in your lane and slam the brakes on.

Besides it's not very smooth and I never use it when I am driving a customers S class.

4-10 must do better!

NJS25

446 posts

278 months

Friday 12th October 2012
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I disagree. Not sure what version you tried but on my 2010 E Class it is extremely impressive.

The sytem is known as Distronic and was introduced in the late 90s S-class. The current version is known as Distronic Plus. The system uses radar to lock onto the vehicle in front and is effectively adaptive cruise control, so it will slow if the car in front slows and brake (to a stop) if necessary. You can adjust the distance to the vehicle in front (which is useful in slow moving, stop/start traffic as it results in a more gentle braking pattern when everyone is driving up the car in fronts backside, ironically if all cars were fitted with the system start/stop traffic would all but disappear).

It has never (60k so far, mainly motorway, dual carraigeway) incorrecly identified something in another lane, indeed the system is designed to disengage if loses track (which has only happened a couple of times, as it usually picks up next car without any intervention).

It doesn't replace the driver and it isn't an excuse to disengage your brain (there are enough people who appear to do this when they get in a car) but if you understand what it is, how it works and adapt your driving to style to take full adavntage it is simply remarkable. Reduces fatigue levels dramatically on long journeys and especially in poor visibility.

Each to their own, personally I wouldn't be without it.

Regards, Neil

P.Nott

227 posts

218 months

Friday 12th October 2012
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NJS25 said:
I disagree. Not sure what version you tried but on my 2010 E Class it is extremely impressive.

The sytem is known as Distronic and was introduced in the late 90s S-class. The current version is known as Distronic Plus. The system uses radar to lock onto the vehicle in front and is effectively adaptive cruise control, so it will slow if the car in front slows and brake (to a stop) if necessary. You can adjust the distance to the vehicle in front (which is useful in slow moving, stop/start traffic as it results in a more gentle braking pattern when everyone is driving up the car in fronts backside, ironically if all cars were fitted with the system start/stop traffic would all but disappear).

It has never (60k so far, mainly motorway, dual carraigeway) incorrecly identified something in another lane, indeed the system is designed to disengage if loses track (which has only happened a couple of times, as it usually picks up next car without any intervention).

It doesn't replace the driver and it isn't an excuse to disengage your brain (there are enough people who appear to do this when they get in a car) but if you understand what it is, how it works and adapt your driving to style to take full adavntage it is simply remarkable. Reduces fatigue levels dramatically on long journeys and especially in poor visibility.

Each to their own, personally I wouldn't be without it.

Regards, Neil
I agree completely with this. I had Distronic on my previous MB and was very disappointed that it wasn't available on the current Elegance spec C Class I bought this year. Mine always worked well and made for a very stress free drive on long M'way trips. Would always spec it if available.


GTIR

24,741 posts

295 months

Saturday 13th October 2012
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Both on an S class, 07 and 12 plate.

My job is a chauffeur and to be honest it's not smooth enough on the uptake.

NJS25

446 posts

278 months

Saturday 13th October 2012
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I can see why, as a chauffeur, you may find the braking harsh under certain conditions and therefore not conducive to ensuring your passengers enjoy an unobtrusive drive.

The only issue I have found is when cars around are changing their speeds significantly, and that this can result in heavier braking than you would like. I use the distance control to negate this giving more room for the car to react in more gentle controlled manner and in more extreme circumstances take control of the braking to avoid this, or if possible simply move into another lane where the driving is less eratic. This is a key point as the only real issue with Distronic is the fact that other cars don't have it and that drivers find it difficult to maintain a constant speed and control acceleration/deceleration smoothly through the avoidance of excessive braking (a function of the ability to anticpate hazards and driving too close to the vehicle ahead).

As mentioned above, I have never had a situation when the car has picked a vehicle in another lane (as you described).

Regards, Neil

BigBen

12,155 posts

259 months

Sunday 14th October 2012
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I really like the Distronic on my SL, I have not really used it much on the motorway but on my single carriageway no place to overtake commute it is great.

cptsideways

13,880 posts

281 months

Sunday 14th October 2012
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Generally speaking I've not found an active cruise system that is smooth on any car, its only as good as the numpty in front & any good driver has a pair of eyes that can see what is occurring in front & drive much better.


Its a rubbish system if you like driving smoothly

GTIR

24,741 posts

295 months

Tuesday 16th October 2012
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I wasn't neccassarily referring to the braking, although that is harsh if you're not watching, but the acceleration after, for example, a car moves out your lane just after jumping in front of you.

I've had a few customers complain about a particular driver and they said he was driving too quick. He denied it of course and I kind of sided with him, until I drove the car, a 2010 S class with distronic, all became clear.
He drives with it disabled now.

But yes. Great system otherwise, especially in 30mph traffic, but a bit rubbish otherwise.

Whilst I'm at it. The beeping that happens if you indictate whilst a car is alongside. Rubbish as it wakes up passengers!

Rick101

7,186 posts

179 months

Tuesday 16th October 2012
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Should you be indicating with a car alongside?

I'll admit to not reading the highway code in a few years but I always understood the procedure to be to wait until it was clear before signalling your intention to manouver.

Deranged Granny

Original Poster:

2,323 posts

197 months

Tuesday 16th October 2012
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Thanks very much for the answers. I didn't realise it would cause such debate!

Small Car

877 posts

228 months

Friday 19th October 2012
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Can you use Distronic as a normal cruise with the system of radar disabled?

cptsideways

13,880 posts

281 months

Saturday 20th October 2012
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Small Car said:
Can you use Distronic as a normal cruise with the system of radar disabled?
I cant remember re the merc's but every other manufacturers products I've tried wont allow you to have switchable basic cruise

BigBen

12,155 posts

259 months

Sunday 21st October 2012
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cptsideways said:
Small Car said:
Can you use Distronic as a normal cruise with the system of radar disabled?
I cant remember re the merc's but every other manufacturers products I've tried wont allow you to have switchable basic cruise
I don't think you can, but nothing to stop you just driving like it is normal cruise.

cptsideways

13,880 posts

281 months

Sunday 21st October 2012
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BigBen said:
cptsideways said:
Small Car said:
Can you use Distronic as a normal cruise with the system of radar disabled?
I cant remember re the merc's but every other manufacturers products I've tried wont allow you to have switchable basic cruise
I don't think you can, but nothing to stop you just driving like it is normal cruise.
That's until it sees a truck coming the other way on a bendy dual carriageway wink

Lagerlout

1,812 posts

265 months

Sunday 21st October 2012
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GTIR said:
Whilst I'm at it. The beeping that happens if you indictate whilst a car is alongside. Rubbish as it wakes up passengers!
So turn it off then, there is a setting in Comand.

gaters

1,373 posts

226 months

Sunday 21st October 2012
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I have all this stuff on my car such as Cruise, Night Vision, Distronic etc etc etc. I tried and now never use it. Expensive gimics IMHO!!!

GTIR

24,741 posts

295 months

Monday 22nd October 2012
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Lagerlout said:
GTIR said:
Whilst I'm at it. The beeping that happens if you indictate whilst a car is alongside. Rubbish as it wakes up passengers!
So turn it off then, there is a setting in Comand.
Is there?

Wow.