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I'm not saying the feature is good, bad or? Though I hate it when the engine stops after I forget to turn off the ECO.
I'm miffed by the fact that unlike other car companies the MB ECO system can't be permanently disabled. The MB button should be for turning the ECO system on, not off.
I was told by the MB staff that it could disabled when they knew it couldn't.
I want a choice of how my car responds in every situation.
It's not MB's place to make that decision for me at any level. They've gone around the bend with this p.o.s.
Plus the car is only ok. Nothing great on any level.
Thanks for the reply.
 

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Something occurred to me, so I'll just toss it out for consideration. Suppose MB were aiming for some specific emissions-reduction target in order legally to market the car as low-polluting? And suppose it turned out that ECO allows certain cars to meet the goal, but only if it's turned on? And further suppose that MB can claim the emissions efficiency only if its cars default to ECO mode. Yes, drivers can turn it off, but unless its cars start up with ECO enabled, MB can't advertise or maybe just can't persuade the EPA that its cars meet some specified target. Something related to reduced taxes on the car? Maybe? I'm guessing here, as I, too, wonder why ECO defaults to "on." I don't actually care, but I do wonder.

What I wish is that I could use my car's cruise control without also dealing with that lane tracking assist feature. I love everything about my car's cruise control except fighting with that steering wheel.
 

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'BMW, Honda, Nissan, and several other companies have ECO buttons, all are activated 'on' by the driver not 'off' as the MB is.
IF MB has a problem with meting EPA standards with their engines and the only way they can get them certified is to install a full on ECO system, then I'm in worse position then I thought.
Actually, the MB ECO system can be turned manually, it just has to be done every time the driver starts the car.
The real issue is that Sean, the salesman, was deceptive in his narrative regarding the ECO system.
Again, I emphasized to Sean that the ECO system could be permanently deactivated and he and the service rep agreed that it could.
These are not people who can be trusted to represent the vehicles they sell accurately.
I don't want the car. They offered to buy it back at a 20% dissent to them. I guess it really is only with the $48,000 they offered. To me it is worthless.
Thank you for the response.
 

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After initially learning of this Eco Start/Stop feature while shopping for our 212, I have to admit, I wasn't too pleased, and would also have preferred that it could have been permanently disabled.

Although I still find it a nuisance at times, I've developed a habit of turning it off each time I start the car and, if I forget to shut it off, I'm soon reminded the first time I come to a stop and it shuts itself off.

There's been lots of discussion about this technology on these and other forums, and some have expressed some rather strong negative feelings. Obviously, it didn't stop me from buying and, except for this slight inconvenience, I'm very pleased with the car overall.

If I had been misled, intentionally or not, by both the Salesman and Service Rep at the dealership, and then insulted by the M-B USA Rep who claimed that M-B's engineers were smarter than I am, I might be pretty annoyed. Certainly more than I am by this feature.

However, if I began to feel like I was now stuck with a car that I hated to drive, a car that is only ok, nothing great on any level and worthless to me, I might be considered to be over-reacting due to some other agenda that went beyond my dislike of the Eco feature that can be so easily disengaged.

In either case, if I felt this strongly, maybe it would be time for me to contact M-B USA again; in writing. I'm just saying!
 

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the BMW eco system is activated on when you crank the car. you have to push the button to turn it off. Or the ones I have been in are setup up this way.

Every car by 2017/2018 will have this feature. its due to the 50+mpg 2025 national avg the car makers have to meet. I currently have 2 cars (13 GLK and a 15 GLA) that have it and its not that bad. only issue I hate is going thru a drive thru. I just reach down and turn it off. any other time its active. You get used to it or I have. its like any thing that is new. You just have to get used to it. I hate the new setup of the comand. The old setup was a lot easier to navigate than the new. I don't care if it has a pic of my car that spins, opens doors, etc.

I have way more complaints with MB ( I am a MB tech) than this eco stuff. Like options. Why is keyless go an option. it should be standard. a 12k Nissan car has "keyless go" as standard. Now they have keyless start option and keyless go as option. this makes no since. Lets just confuse the customers/sales/service even more. Why do they have 5 different radio options. give you 2 choices and let it be.

ALSO ^^^^ to the one about steering assist you can deactivate that thru your cluster If I am not mistaken.
 

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Every car by 2017/2018 will have this feature. its due to the 50+mpg 2025 national avg the car makers have to meet. .
Yes, you are correct ! It's all thanks to Obama for mandating the much higher CAFE standards. In an effort to meet these standards, ASS is one tool that we will all have to put up with.

At least the MB ASS is much more intuitive and operates smoother than the BMW system. Furthermore, the 'defeat button' in the W212 is readily visible on the central dash unit, while the one in the BMW 3 Series is hidden behind the steering wheel spokes, which makes it very difficult locate if one wishes to turn off the ASS while driving.
 

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My wife leased a '15 BMW 535i GT. It has the defeat button right under the start button. If you select it, it stays defeated until you select it again. No need to turn it off every time you get into the car. Mercedes should be able to do it too.

My friend has a '14 E350. He noticed that after two days of no use the light would turn on right upon start up, then off for a couple of minutes, then back on. If he uses the car daily this does not happen, it will stay on constant. Would anyone kindly let me know if this is normal, so I can pass it on to him? Thanks so much!
 

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My wife leased a '15 BMW 535i GT. It has the defeat button right under the start button. If you select it, it stays defeated until you select it again. No need to turn it off every time you get into the car. Mercedes should be able to do it too.

My friend has a '14 E350. He noticed that after two days of no use the light would turn on right upon start up, then off for a couple of minutes, then back on. If he uses the car daily this does not happen, it will stay on constant. Would anyone kindly let me know if this is normal, so I can pass it on to him? Thanks so much!
I like the idea of a defeat button so I wouldn't have to switch it off each time I start the car.

Regarding the light, mine comes on with each start whether doing start/stop errands or leaving the car in the garage for a day or more...and each time I try to remember to switch it off as it's really annoying when the car shuts off every time I stop. Seems to me all that starting and stopping can't be too good for the engine either!
 

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My friend has a '14 E350. He noticed that after two days of no use the light would turn on right upon start up, then off for a couple of minutes, then back on. If he uses the car daily this does not happen, it will stay on constant. Would anyone kindly let me know if this is normal, so I can pass it on to him? Thanks so much!
I think a few posts on the first page might explain this (esp. posts 5 and 6) as normal. For example, the startup battery may need a top up charge before its ready.
 

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I think a few posts on the first page might explain this (esp. posts 5 and 6) as normal. For example, the startup battery may need a top up charge before its ready.
Thank you, (both of you), for the responses.

I honestly did not read through all the requirements for the system to be ready to shut down the engine. Part of the reason is my personal limited experience with the system. I do not drive my S212 often. I do not have an ECO button if I recall correctly. (It is the middle of the night and I don't want to venture into the cold garage to check.) To turn mine off I switch to a sport mode. I also noticed one specific thing, which got me to stop reading once I reached the operating temp requirement, that the system in mine turns off the engine even if the engine has not reached operating temperature, which should be above 80C I believe. So there seems to be different implementations. (I'll verify next time I drive it to be sure.)

I told him it may be the state of the battery charge at two days of no use vs. one, and that is my hope to confirm so I can pass it on to him...
 

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It's how they get the car in without the gas guzzler tax think about it when they do the city test for gas mileage. Also for pollution. Think VW problems.
 

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inconsistant

I first experienced eco mode in my rented A1 when I traveled Scotland in summer 2013. With gasoline at $8/gallon I didn't mind eco mode. Consider this technology imported from Europe - go figure driving an euro car.

That said, I took delivery of my 2014 in December and notice the eco doesn't activate often. I hope this is due to the cold, and not a defect.
 

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I first experienced eco mode in my rented A1 when I traveled Scotland in summer 2013. With gasoline at $8/gallon I didn't mind eco mode. Consider this technology imported from Europe - go figure driving an euro car.



That said, I took delivery of my 2014 in December and notice the eco doesn't activate often. I hope this is due to the cold, and not a defect.


Batteries are affected a lot by cold weather. (My wife has a plug in hybrid that confirms this). I am not surprised you are reporting this from your location.

When we visited Europe my wife noticed petrol was "reasonably" priced at 1.7x on the signs, until I explained to her that that was per L, and not per gallon, plus the stronger Euro...

Sent from my iPad using Tapatalk
 

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Discussion Starter #34
I first experienced eco mode in my rented A1 when I traveled Scotland in summer 2013. With gasoline at $8/gallon I didn't mind eco mode. Consider this technology imported from Europe - go figure driving an euro car.

That said, I took delivery of my 2014 in December and notice the eco doesn't activate often. I hope this is due to the cold, and not a defect.
There are literally dozens of parameters which have to be satisfied for the ECO light to turn green. Plus the moon and stars have be aligned just right :) I've found it is off 95% of the time. Most times it will turn green just as the stop light turns green and I pull away.

I did discover that when I'm stopped and the ECO is yellow if I let up on the brake a little and the car moves maybe 1' or so I can trigger the ECO to go green and kill the engine. This works maybe 30% of the time. Try it the next time you are at a light.
 
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