ECO Start/Stop
Thread Starter
Member
Joined: Jan 2014
Posts: 188
Likes: 3
From: Baltimore, MD
2018 E300 Luxury w/P2
ECO Start/Stop
OK, my car has about 4,000 miles on it and I never though the Eco function worked as advertised. Now, it has pretty much stopped working completely.
Yesterday a few times when I was stopped, the green light would come on, then turn to yellow almost right away
getting ready to call the dealer. Any suggestions?
I did have it in once before and the SA gave me a list of things as to how it works. Told me mine was OK
Yesterday a few times when I was stopped, the green light would come on, then turn to yellow almost right away
getting ready to call the dealer. Any suggestions?
I did have it in once before and the SA gave me a list of things as to how it works. Told me mine was OK
MBWorld Fanatic!
Joined: Oct 2004
Posts: 1,305
Likes: 37
From: Las Vegas, Nevada
2013 C350 Coupe, 2005 C230K Kleemann Sedan, 2013 GLK350 4matic
I use this function all of the time. There are many conditions that may cause the ECO light to remain amber. You may also have a defective aux battery that is located in the trunk. If you bring it to the dealer and the batteries check out, I wouldn't worry too much about it. My display is amber probably 60-75 percent of the time, especially after the first start of the day.
Super Member
Joined: Jan 2013
Posts: 670
Likes: 7
From: Alberta
2014 E63 AMG S
I find the system very unpredictable, but I just ignore it. If my engine turns off, cool, if not, whatever. Sometimes weird things will cause it to engage, like creeping forward at a light will cause it to turn green, or accelerating quick from a stop.
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Thread Starter
Member
Joined: Jan 2014
Posts: 188
Likes: 3
From: Baltimore, MD
2018 E300 Luxury w/P2
I agree with JaredP. Weird things cause it to engage and disengage. I travel the same 2 routes most days. Some days its works, others it doesn't.
I find it disappointing, I thought it was a really cool feature, designed to save gas, with the bigger engine, and figured the germans had it down pat, guess not.
I find it disappointing, I thought it was a really cool feature, designed to save gas, with the bigger engine, and figured the germans had it down pat, guess not.
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Super Member
Joined: Mar 2011
Posts: 803
Likes: 37
From: Bay Area, CA
2011 C300 Sport, P1, MM, Wood, Heated FS, DIY rearview camera.
Glad my 2011 does not have it.
1st time I experienced it on a loaner GLK at traffic light. I thought engine stalled with such a brand new car? Tried re-started it...
If it's 100% reliable, what about starter wear and tear? I'd rather have 3 cylinders turned off at highway cruising speed or at red traffic light with engine still running. Honda van has that called "intelligent control"?
1st time I experienced it on a loaner GLK at traffic light. I thought engine stalled with such a brand new car? Tried re-started it...
If it's 100% reliable, what about starter wear and tear? I'd rather have 3 cylinders turned off at highway cruising speed or at red traffic light with engine still running. Honda van has that called "intelligent control"?
Newbie
Joined: Jan 2014
Posts: 2
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C300
There is a button to turn it off or on, it's hardly forced on you. That's like being glad your TV does not have a tint control. LOL.
I leave it on all the time commuting. Seems well implemented enough on my 2013 and I assume it at least saves me a little gas each day.
I leave it on all the time commuting. Seems well implemented enough on my 2013 and I assume it at least saves me a little gas each day.
Super Member
Joined: Jan 2013
Posts: 670
Likes: 7
From: Alberta
2014 E63 AMG S
Yeah, it's a very silly argument against this system, usually forumulated by those who don't know enough about modern engines to be arguing against it. It's a reliable system, but it's just not very usable because it has very strict parameters for it to engage. You can't get an M276 without start/stop, so it doesn't really matter to me, I didn't pay for it as an option.
Junior Member
Joined: Apr 2014
Posts: 60
Likes: 0
2014 C250 Sport
I have a new 2014 C250, and what my salesperson said was the ECO was automatically the defaulted mode of the car. So everytime I turn on my 250, thats what it's on. Sport mode is available but if you turn off the car on sport mode and turn it back on, ECO mode will go back as the default when you start the engine.
Super Member
Joined: Mar 2011
Posts: 803
Likes: 37
From: Bay Area, CA
2011 C300 Sport, P1, MM, Wood, Heated FS, DIY rearview camera.
Thread Starter
Member
Joined: Jan 2014
Posts: 188
Likes: 3
From: Baltimore, MD
2018 E300 Luxury w/P2
C300A, yes it goes down 0 at a stop if its working correct. As had been mentioned, a whole lot of "Stuff" has to happen for that function to work. But it doesn't use the starter
MBWorld Fanatic!
Joined: Oct 2004
Posts: 1,305
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From: Las Vegas, Nevada
2013 C350 Coupe, 2005 C230K Kleemann Sedan, 2013 GLK350 4matic
The best way to describe it operating is like some golf carts, where they automatically shut off when you stop and start when you press the accelerator.
In the car, either turning the steering wheel, or foot off the brake will cause the engine to start up. The owners manual describes all of the conditions that have to be met in order for the ECO function to work.
In town, I average 28-34 mpg.....on the freeway at 80 mph, I manage 27-29 mpg. Most of my driving is local with urban freeways, so I think the ECO saves me gas and money.
In the car, either turning the steering wheel, or foot off the brake will cause the engine to start up. The owners manual describes all of the conditions that have to be met in order for the ECO function to work.
In town, I average 28-34 mpg.....on the freeway at 80 mph, I manage 27-29 mpg. Most of my driving is local with urban freeways, so I think the ECO saves me gas and money.
Super Member
Joined: Jan 2009
Posts: 929
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From: Silicon Valley, California
Factory ordered 2012 MB C350 w/Dynamic Handling Package
I have an M276 without the ECO START/STOP option. I believe only the 2012 models didn't have the option built in, similar in that only the 2008 models came with automated folding side mirrors.
I take it you guys don't employ the "hold" function for the brakes either. If you did, you'd realize this combo would be perfect while waiting for red lights. I could probably squeeze in another 1 MPG in my fuelly log if I had the ECO START/STOP option built in.
As it stands without it, the only reason why I use the "hold" feature is to help me shoot out of the hole on red lights if I want to get in front of someone (assuming you're sticking to 1-foot driving).
Last edited by edgalang; May 14, 2014 at 08:11 PM.
Super Member
Joined: Jan 2013
Posts: 670
Likes: 7
From: Alberta
2014 E63 AMG S
False.
I have an M276 without the ECO START/STOP option. I believe only the 2012 models didn't have the option built in, similar in that only the 2008 models came with automated folding side mirrors.
I take it you guys don't employ the "hold" function for the brakes either. If you did, you'd realize this combo would be perfect while waiting for red lights. I could probably squeeze in another 1 MPG in my fuelly log if I had the ECO START/STOP option built in.
As it stands without it, the only reason why I use the "hold" feature is to help me shoot out of the hole on red lights if I want to get in front of someone (assuming you're sticking to 1-foot driving).
I have an M276 without the ECO START/STOP option. I believe only the 2012 models didn't have the option built in, similar in that only the 2008 models came with automated folding side mirrors.
I take it you guys don't employ the "hold" function for the brakes either. If you did, you'd realize this combo would be perfect while waiting for red lights. I could probably squeeze in another 1 MPG in my fuelly log if I had the ECO START/STOP option built in.
As it stands without it, the only reason why I use the "hold" feature is to help me shoot out of the hole on red lights if I want to get in front of someone (assuming you're sticking to 1-foot driving).
I use the hold feature at almost all red lights. It does work pretty good with eco. If someones up beside me, I do the same thing but turn off ECO.
Last edited by JaredP; May 14, 2014 at 10:49 PM.
Super Member
Joined: Jan 2009
Posts: 929
Likes: 51
From: Silicon Valley, California
Factory ordered 2012 MB C350 w/Dynamic Handling Package
Thread Starter
Member
Joined: Jan 2014
Posts: 188
Likes: 3
From: Baltimore, MD
2018 E300 Luxury w/P2
When the Start/Stop function works, I love it. I drive the same 2 routes pretty much everyday and at the same time of day. Different days, similar conditions and some days it works, others it doesn't! Drives me crazy.
So, I did stop by the dealer yesterday and decided not to leave it. I did have one thing I wanted a technician to look at.
I have the lighting package and lane tracking, so there is a camera in the center of the windshield up by the roof line. There are 2 small orange, yellow lines the span that opening. Now, I would think those would be at right angles or parallel. So I asked the tech. He asked if the windshield has ever been replaced. No, it hasn't. He didn't know the answer. We had to look at another car with the same features to see if mine was correct. It was.
Find it strange that the experts didn't know that answer. How can the fix some thing more complex , like the Start/Stop?
So, I did stop by the dealer yesterday and decided not to leave it. I did have one thing I wanted a technician to look at.
I have the lighting package and lane tracking, so there is a camera in the center of the windshield up by the roof line. There are 2 small orange, yellow lines the span that opening. Now, I would think those would be at right angles or parallel. So I asked the tech. He asked if the windshield has ever been replaced. No, it hasn't. He didn't know the answer. We had to look at another car with the same features to see if mine was correct. It was.
Find it strange that the experts didn't know that answer. How can the fix some thing more complex , like the Start/Stop?
Member
Joined: Mar 2014
Posts: 82
Likes: 0
From: Toronto
2013 C300 4matic
When the Start/Stop function works, I love it. I drive the same 2 routes pretty much everyday and at the same time of day. Different days, similar conditions and some days it works, others it doesn't! Drives me crazy.
So, I did stop by the dealer yesterday and decided not to leave it. I did have one thing I wanted a technician to look at.
I have the lighting package and lane tracking, so there is a camera in the center of the windshield up by the roof line. There are 2 small orange, yellow lines the span that opening. Now, I would think those would be at right angles or parallel. So I asked the tech. He asked if the windshield has ever been replaced. No, it hasn't. He didn't know the answer. We had to look at another car with the same features to see if mine was correct. It was.
Find it strange that the experts didn't know that answer. How can the fix some thing more complex , like the Start/Stop?
So, I did stop by the dealer yesterday and decided not to leave it. I did have one thing I wanted a technician to look at.
I have the lighting package and lane tracking, so there is a camera in the center of the windshield up by the roof line. There are 2 small orange, yellow lines the span that opening. Now, I would think those would be at right angles or parallel. So I asked the tech. He asked if the windshield has ever been replaced. No, it hasn't. He didn't know the answer. We had to look at another car with the same features to see if mine was correct. It was.
Find it strange that the experts didn't know that answer. How can the fix some thing more complex , like the Start/Stop?
Member
Joined: Dec 2013
Posts: 203
Likes: 0
From: Bellevue, WA
'08 C350 Sport
A few months back I had a C300 2014 loaner that comes with ECO start/stop. I thought it wasn't so bad but then again I drove it for only a dozen miles
. My only concern is driving in stop/start traffic but I could always turn ECO off.
. My only concern is driving in stop/start traffic but I could always turn ECO off.
MBWorld Fanatic!
Joined: Oct 2004
Posts: 1,305
Likes: 37
From: Las Vegas, Nevada
2013 C350 Coupe, 2005 C230K Kleemann Sedan, 2013 GLK350 4matic
There is absolutely nothing wrong with the system...its saves gas and improves economy. I have not had one problem with the system. True, there are conditions that have to be met for the engine to shut off, but for the most part, I get increased efficiency
