Eco start/stop




That setting is permanent. I am just not sure if the Dynamic Select setting is not defaulted back to Comfort or stays on Individual.
I don't know how the W212 works but currently on the W222, when selecting the Sport transmission setting, ECO is automatically disabled.
Unfortunately, Sport has to be selected each time but I never have to turn off the ECO function as I automatically choose Sport anyway.
That setting is permanent. I am just not sure if the Dynamic Select setting is not defaulted back to Comfort or stays on Individual.
I don't know how the W212 works but currently on the W222, when selecting the Sport transmission setting, ECO is automatically disabled.
Unfortunately, Sport has to be selected each time but I never have to turn off the ECO function as I automatically choose Sport anyway.
I may be wrong, but as I understand it, the car will always start in Comfort mode and that includes start/stop enabled. You can either disable start/stop each time you start the engine, or you have to switch dynamic mode each time you start the engine.
Last edited by mac55; Apr 27, 2016 at 06:09 PM.
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I may be wrong, but as I understand it, the car will always start in Comfort mode and that includes start/stop enabled. You can either disable start/stop each time you start the engine, or you have to switch dynamic mode each time you start the engine.
The Best of Mercedes & AMG




I may be wrong, but as I understand it, the car will always start in Comfort mode and that includes start/stop enabled. You can either disable start/stop each time you start the engine, or you have to switch dynamic mode each time you start the engine.
That said on our SL550 I had to press the Sport mode AND the ECO button which is a pain. I can handle one button since the Sport mode is the only mode I drive in all the time.
Why have a big V8 when you start in 2nd gear
That said on our SL550 I had to press the Sport mode AND the ECO button which is a pain. I can handle one button since the Sport mode is the only mode I drive in all the time.
Why have a big V8 when you start in 2nd gear

On the W213, it is supposed to default to comfort mode when started from what I've heard. Same as current models.
simple OBD2 plug
just search over ebay
https://www.ebay.com/sch/odkw=merced...eco+start+stop
MY2018 eliminated the ECO choice (replaced by ESP), so AFAIK there is not way to turn it off after MY2018 without pressing the console button...OR...investigating one of these things.
https://www.ebay.com/itm/253177763173
(see the Thread "How do I set the default for ECO to off?)
this AutoExpert video is interesting. He says the start-stop feature is harmless to the engine, but provides no value other than letting the car makers slightly game the fuel economy standards. Ridiculous “feature”
Not to mention my concern for long-term engine/starter durability. One time, just out of curiosity, I left the feature on and tried to count the stop/start cycles on my commute home (CA rush hour, 24 miles total, 18 miles on CA freeway). I stopped counting at 118 cycles - too many stop - move forward 10 feet - stop, movements to keep counting. This is pretty normal traffic for my commute. There and back that would be over 1000 stop/start cycles in one week. No way that wouldn't have a long-term impact on durability of engine and starter - at least for my tastes.
It would be much better if it just remembered what driving mode you were using and restarted in the same mode!
It would be much better if it just remembered what driving mode you were using and restarted in the same mode!
S&S module is extremely small and definately can not be found by dealers, but have to be soldered btw
- Several times when I was making a left turn the car decided to stop at the same instant I tried to go. The result was a delay that could have easily caused an accident. There is a delay when the car restarts. The restart is not instantaneous as it can be measured on a stopwatch.
- The car shakes/vibrates when it starts which is very discomforting.




Now, if they had put an electric AC compressor in there, I wouldn't mind it at all. Compared to my W212, the W213's start/stop is nowhere near as jarring or intrusive.









