• Sep 28, 2007

One of the most common accidents that occurs when merging is when one vehicle -- the one that's changing lanes -- hits another vehicle slightly behind it and to its side because the driver of the first vehicle couldn't see the second one in his mirror. To prevent this from happening, Mercedes-Benz has developed a new safety feature called Blind Spot Assist, which it plans to debut on its S-class and CL-Class models.

Similar to a system already developed by Volvo, the new safety feature employs six short-range radar sensors located in the front and rear bumpers that monitor the zone to the side and rear of the car on both the left and the right. If another car is driving alongside in the blind sport area, the system will display a red warning symbol in the associated side mirror. If the driver ignores the warning and then turns on their indicator, the red warning symbol with start to flash and emit a warning sound inside the car.

While we're sure such systems will prevent accidents, they could lead to a generation of drivers that are largely unaware of vehicles around them and who rely solely on such gadgets to keep them out of trouble.

[Source: Mercedes Benz] PRESS RELEASE

Mercedes-Benz now offers a newly developed Blind Spot Assist system as an option for its S and CL-Class models, which is designed to help drivers when changing lanes.
Mercedes-Benz employs six short-range radar sensors for the new assistance system, which can be found in the front and rear bumpers. The sensors monitor the zone to the side and rear of the car on both the left and the right. In so doing, they cover the area known as the "blind spot" which drivers are unable to see in the exterior mirrors.
If the system detects another vehicle in the danger zone, a red warning symbol appears in the exterior mirror glass. This symbol informs the driver that it may be dangerous to change lanes. Should the driver ignore this warning and switch on the indicators, the red symbol in the mirror will start to flash and an audible warning will also sound.
Blind Spot Assist is offered for the S and CL-Class in conjunction with other radar-based assistance systems, such as DISTRONIC PLUS proximity control, Brake Assist PLUS, the PRE-SAFE® brake and Parking Guidance. In Germany, this package is priced at between €2594.20 and €3391.50 (ex factory, incl. VAT).


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  • 22 Comments
      • 7 Years Ago
      I wonder if MB owners can spot electrical gremlins down the road?
      • 7 Years Ago
      Why is this even necessary? Set your mirrors up correctly and check over your shoulder before you change lanes. That's like the third thing they teach you in driver training. What the hell use is this? Do people really need help with this simple concept?
        • 7 Years Ago
        Apparently, some of them do.

        Except for all of us who know how to drive correctly.
      • 7 Years Ago
      I guess it will work if people use their indicators to signal a lane change. Kids seem to think it "uncool", and others don't because they think someone will mess with them if they do indicate where they are going.

      I think driver testing in the US needs to completely revamped first of all.
      • 7 Years Ago
      Properly set mirrors = no blind spot. Once a car leaves your mirrors it should be in your peripheral vision. most people set their mirrors incorrectly. hugging the side of the car is wrong. If you can see the side of your car without leaning then your mirrors are wrong.
      • 7 Years Ago
      i have a buick and it has the same thing!!! no im not kidding !! buick is way ahead mercedez. look at the enclave, its hot, isn't it?
      • 7 Years Ago
      Once agian mercedes has produced another feature for its cars. Sadly Volvo came out with it first and patent the name and the feature already. Most mercedes fans would say no but you have to give it to the one who did it first, and of course i expect to hear that mercedes technology is better ( even though it doesnt work long).
      Volvo. For Life
      • 7 Years Ago
      "they could lead to a generation of drivers that are largely unaware of vehicles around them"

      Too late..
      • 7 Years Ago
      No blind spot convex mirrors, people. No electronics. Just plain and simple a mirror that costs just fractionally more to make.

      And I agree, most people do not use turn signals to change lanes. If you do use them, other drivers feel obliged that they have to 'close the gap' on you.

      I agree. Driver attitude, training and testing needs to change in the US. Let's get it up to German level and we'll enjoy safer interstate highways that we can travel faster on :)
        • 7 Years Ago
        I wonder if they have ever heard the engineering term: KISS (Keep It Simple Stupid). Convex mirrors and a two-section driver side mirror is all your need. Still, looking over your shoulder, is something that should be wired into your brain.
      • 7 Years Ago
      I'm not a big fan of these kinds of systems. I drive an old Chevy Caprice, and though some people complain about how small the mirrors are, I find that they're very effective in removing the blind spots around the car when they're set up right. My girlfriend drives a Dodge Durango with these huge mirrors on either side, and I'm more worried about driving over a little kid or another car because the mirrors are so big I can't see what's in front of me!
      • 7 Years Ago
      Ugh, the proverbial "technology will make people dependent upon technology" snide.

      Please, you've got a great blog. Don't do that.
      • 7 Years Ago
      This has been available for years in Jaguars. The stereo speakers would tick like a clock on the side of the car where the blind-spot affected vehicle was.
      • 7 Years Ago
      Wow, that would be so annoying in Atlanta traffic.
      When you need to get from one side of the interstate to another and there is traffic, you put on your blinker and force the other cars out of the way. I do this all the time and I would shoot that device
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