S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

AEB (Autonomous Emergency Braking) on W221 fail?

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Old 02-27-2015, 09:48 AM
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AEB (Autonomous Emergency Braking) on W221 fail?

??
Video showing the W221's BAS Plus/PRE-SAFE Brake system failing?


3:42
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Old 02-27-2015, 10:00 AM
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If by "fail" you mean "crashing into the car in front of it at a high rate of speed" then yes, technically the S Class "failed" the autonomous braking test. But it's really a matter of semantics at this point.

The Mercedes is the only car in the test that identifies the make and model of the car ahead of it, determines the likely net worth of the car's driver, the cost of repairs to his vehicle and any potential injury lawsuit, and then decides whether or not it's worth spilling your coffee by emergency braking. Had the test vehicle had a fake Bentley logo on it the S would have stopped in time. It's called Pre-SNOB:

Sense
No
Obvious
Benefit

...in avoiding the crash. Geez, man, Read your manual once in awhile.

Last edited by Mike5215; 02-27-2015 at 10:03 AM.
Old 02-27-2015, 10:10 AM
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Originally Posted by Mike5215
Geez, man, Read your manual once in awhile.
Apologies. I'll be sure to RTFM and search for SNOB. Makes perfect sense now....
Old 02-27-2015, 10:16 AM
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Friggin Noobs, man...
Old 02-27-2015, 10:24 AM
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Originally Posted by Mike5215
Friggin Noobs, man...
Not just a noob, but a poser who doesn't *have* a Benz. Just using this forum as a support group because he can only wish that he will have one ANY DAY now... Until then, it's just hope...
Old 02-27-2015, 10:51 AM
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If Mike and I drove that car down you would've had it by now! Darn, and I just discovered a trick where luminol wont pick up anything.
Old 02-27-2015, 10:53 AM
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ypu should a get a huge discount that cars already depreciated by $4800
Old 02-27-2015, 11:12 AM
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You guys.... Did I say that I thought that this was a support group?

It's more like
Old 02-27-2015, 11:23 AM
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Yeah! Jason and I would already have posted bail and gotten the car out of police impound by now. Meanwhile, the transport driver you hired probably takes your owner's manual into his motel room at night to use as wack-off material, and you have no S Class to speak of.

Happy now?
Old 02-27-2015, 12:02 PM
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the w221 will apply up to 40% of its brakes without driver's input. those 40% were sufficient to slow down the car from 50mph, but not in the other two cases.

if the driver was to apply the brakes, the car would have applied 100% braking force thus avoiding the collision.

the benz performed according to designed behavior.

i posted it on youtube too.
Old 02-27-2015, 01:57 PM
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Originally Posted by Mike5215
Yeah! Jason and I would already have posted bail and gotten the car out of police impound by now. Meanwhile, the transport driver you hired probably takes your owner's manual into his motel room at night to use as wack-off material, and you have no S Class to speak of.

Happy now?
Lol. Between that, the Chevy motor and the cactus, I can't stop laughing.

And regarding this pre safe thing, do all 10-13's have this standard? Or is this feature only on cars with the glossy plastic thing in the grille?
Old 02-27-2015, 02:27 PM
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glossy plastic thingie is required for anything distronic- based ..
Old 02-27-2015, 02:49 PM
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It functions the same way in the W222. The only upgrade is that after the emergency braking sequence ends, the perfume infuser dispenses its entire contents because the car presumes you've just crapped your pants.
Old 02-27-2015, 03:41 PM
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Lol
Old 02-27-2015, 07:31 PM
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Not to change the subject but you guys need to check out the video's on youtube, some transport driver in NC is trying to jump some poor slobs S550 over 12 school buses before he delivers it. He has to get new tires for it first, he's already burned up the set that were on it doing doughnuts
Old 02-27-2015, 09:20 PM
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Originally Posted by Bill-W221
Not to change the subject but you guys need to check out the video's on youtube, some transport driver in NC is trying to jump some poor slobs S550 over 12 school buses before he delivers it. He has to get new tires for it first, he's already burned up the set that were on it doing doughnuts
Link?
Old 05-15-2018, 10:53 PM
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Headline from the National Safety Council website: “2017 Estimates Show Vehicle Fatalities Topped 40,000 for Second Straight Year”.

Perhaps we should give technology a chance to help.

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