M-Class (W166) Produced 2012-2015

Pedal box

Old Aug 12, 2021 | 07:12 PM
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ML 350
Pedal box

My 2015 ML350 didn't came with the sport/comfort option, will this be a cheap way to do it?

https://www.chiptuning.com/us/merced.../pedalbox.html
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Old Aug 12, 2021 | 08:23 PM
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Originally Posted by icebob
My 2015 ML350 didn't came with the sport/comfort option, will this be a cheap way to do it?

https://www.chiptuning.com/us/merced.../pedalbox.html
No. It greatly reduces throttle delay that W166 MLs (among many other MB models) is know for. "Sport/comfort" I assume you're thinks of is (special order option for 350) airmatic suspension.
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Old Aug 12, 2021 | 08:31 PM
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Thinking about in sport position transmission stretching each speed longer (higher RPM before shifting) Basically I want it more responsible on throttle input

Last edited by icebob; Aug 12, 2021 at 08:36 PM.
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Old Aug 12, 2021 | 09:10 PM
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Originally Posted by threeMBs
No. It greatly reduces throttle delay that W166 MLs (among many other MB models) is know for. "Sport/comfort" I assume you're thinks of is (special order option for 350) airmatic suspension.
So basically, your answer means exactly what I'm after...
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Old Aug 12, 2021 | 09:17 PM
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Originally Posted by icebob
Thinking about in sport position transmission stretching each speed longer (higher RPM before shifting) Basically I want it more responsible on throttle input
No you won't get higher RPM before shifting with pedal box, but because pedal box (or sprint booster, etc.) greatly reduces (if not totally eliminates) throttle delay, you will get to higher RPM faster. Your driving enjoyment will be greatly enhanced with pedalbox/sprintbooster/etc. They all fix throttle delay which has nothing to do with transmission.
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Old Aug 12, 2021 | 09:21 PM
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Yes you will feel like performance has increased (even though it actually has not, just the delay is reduced/eliminated, resulting in a feeling of increased performance which is exactly what you want). One of these devices is a must for all W166 MLs/GLEs, even 63s.
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Old Aug 12, 2021 | 09:22 PM
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Originally Posted by threeMBs
No you won't get higher RPM before shifting with pedal box, but because pedal box (or sprint booster, etc.) greatly reduces (if not totally eliminates) throttle delay, you will get to higher RPM faster. Your driving enjoyment will be greatly enhanced with pedalbox/sprintbooster/etc. They all fix throttle delay which has nothing to do with transmission.
So, it's a well invested #300.00? I just switch from a BMW X5 and I miss the quicker response I was having with the shifter in sport mode...
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Old Aug 12, 2021 | 09:24 PM
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Originally Posted by icebob
So, it's a well invested #300.00? I just switch from a BMW X5 and I miss the quicker response I was having with the shifter in sport mode...
YES, absolutely!!!
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Old Aug 12, 2021 | 09:26 PM
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Originally Posted by threeMBs
YES, absolutely!!!
Any better than the other?
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Old Aug 12, 2021 | 09:34 PM
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I've used only Sprint Booster in every MB I have(had) and am very happy with the device. Some here have used Pedal Box and say it has a bit more precise adjustments, but I have no experience with it. The main reason I use/like/prefer Sprint Booster is its tiny size (Pedal Box is a much larger physical unit). SB is also very reliable in my experience with several units I have used.
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Old Aug 12, 2021 | 09:34 PM
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Screw it, just ordered the DTE Pedal box one...!
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Old Aug 12, 2021 | 09:48 PM
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I know what you mean... my last Mercedes was a 2012 C350 4MATIC Couple rocket!!! Same engine, and the throttle pedal was nicely weighted...you push that pedal and it would absolutely explode off the line, sometimes throwing stability control warnings even in just regular mode. I was really hoping this ML350 (with the same engine) would have the same spirited feeling with higher up visibility and a more comfy ride. But it turns out the throttle pedal is the most squishy lifeless thing on the car.... between 10-25 mph when you press the gas it's like literally NOTHING happens until it's almost all the way down. This is frustrating in traffic or neighborhoods when you want to maintain the slow speed as it will only give you more squish and no power until you've dam near pegged it to the floor. Sure, when you stand on the pedal getting on the expressway the thing will get to 80mph in no time... but that throttle response from rolling to 40mph is lifeless...

I found a trick where you reset the throttle/transmission response characteristic to your driving style by following a little process of turning the key to on, holding the gas pedal, turning the car off, then waiting and taking your foot of the gas to perform some reset. But I haven't really noticed any major difference as others have glowed about. Maybe I'm doing it wrong (there is no light/noise/nothing to confirm when you've done it right or wrong).

If folks have any solutions (I even tried installing the sport pedal covers, but it's still not sporty [that's a joke] lol!!) I'd love to hear whats improved other's pedal response. Otherwise I guess ill have to use the paddle shifters to simulate sport mode...

Thanks,
Joel
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Old Aug 13, 2021 | 07:32 AM
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Originally Posted by JoelCrow
If folks have any solutions (I even tried installing the sport pedal covers, but it's still not sporty [that's a joke] lol!!) I'd love to hear whats improved other's pedal response. Otherwise I guess ill have to use the paddle shifters to simulate sport mode...

Thanks,
Joel
Reading previous posts will probably answer the question. This is an old issues that was addressed in many threads. Search would help too.
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Old Aug 13, 2021 | 09:35 AM
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Originally Posted by icebob
Screw it, just ordered the DTE Pedal box one...!

Missing out on a few Sprint Booster features then .
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Old Aug 13, 2021 | 01:27 PM
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Originally Posted by threeMBs
Reading previous posts will probably answer the question. This is an old issues that was addressed in many threads. Search would help too.
Thanks buddy, will check it out!
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Old Aug 13, 2021 | 01:52 PM
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Originally Posted by Gazwould
Missing out on a few Sprint Booster features then .
Can you explain further, maybe I missed something as when I went thru both, features wise, they looked the same.
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Old Aug 13, 2021 | 02:04 PM
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Smaller controller and cable to mount or you can completely detatach the controller in a set mode and it keeps the last setting .

Nothing to see , nothing to mount on the dash .

3 valet modes that can reduce power output by up to 75% and pedal lock where the accelerator pedal does not work and the engine just idles , a great layer of security .

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Old Aug 13, 2021 | 02:22 PM
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OP already bought PB. No need to dive into why SB is (arguably might be) better just as there's no need to throw punches after the fight.
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Old Aug 13, 2021 | 06:10 PM
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The OP asked the question
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Old Aug 13, 2021 | 07:03 PM
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With the phone app you can still hide the pedalbox... but for me throttle response is the primary goal, anything else is bling!
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Old Aug 16, 2021 | 07:00 PM
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Just received and installed the PedalBox😊 Holy sweet Jesus...
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Old Aug 18, 2021 | 08:39 PM
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Did you happen to take any photos or notes you can share on how you installed it in your ML? I received the sprint booster today, and it looks like I need to unscrew about 8 screws and drop the skirt under the dash to get to the top of the pedal box. Is that what you did to install the pedalbox? I can't find any installation info on the M/GL/GLE/GLS series (the hanging pedal style)... despite there being literally hundreds of videos showing how to install in a C/E/S/SL/CL (the bottom mount pedal style).

Thanks for any tips or help you can offer specifically for these ML pedal styles!
Joel
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Old Aug 19, 2021 | 03:50 AM
  #23  
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Originally Posted by JoelCrow
Did you happen to take any photos or notes you can share on how you installed it in your ML? I received the sprint booster today, and it looks like I need to unscrew about 8 screws and drop the skirt under the dash to get to the top of the pedal box. Is that what you did to install the pedalbox? I can't find any installation info on the M/GL/GLE/GLS series (the hanging pedal style)... despite there being literally hundreds of videos showing how to install in a C/E/S/SL/CL (the bottom mount pedal style).

Thanks for any tips or help you can offer specifically for these ML pedal styles!
Joel

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Old Aug 28, 2021 | 09:45 AM
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I installed the Sprint Booster on my 2014 ML350 4MATIC (gas) this morning... Using the video [thank you!], I found that I could simply push up on the underdash panel and get just enough clearance to unplug and connect the booster kit. Also, that same flexi panel was a perfect shelf to safely tuck away all the excess harness wiring up out of sight above the pedal. The crease of the panels from the pedal area up to the dash/console actually compliments tucking the controller wire all the way up into the map pocket in front of the cup holders. It's totally out of sight, yet still right at hand should I ever want to adjust it in the future.

Performance, feels EXACTLY what I was hoping to find! I'm using the sprint booster set to green light and #2, and that's plenty of throttle response to both quickly accelerate and gently maintain a comfortable and responsive coasting speed, without being too aggressive for another driver to be surprised by the response, nor to be scary in wet/snow/ice. I tried out the red on #5 setting and it's "quite aggressive"...lol.

Overall, this is easily the best $285 I've ever spent on a Mercedes (best ROI award winner by far). Thanks so much for the suggestion and direction, y'all!

Joel
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Old Aug 29, 2021 | 10:06 AM
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Sigh. Spending $285 for exactly the same thing you would achieve by stepping on the throttle pedal a little quicker.

There are at least two more performance upgrades you absolutely have to buy and install - the https://www.shakti-innovations.com/p.../shakti-stone/ and https://www.tornadoair.com/. The performance improvements will be exactly what you've been looking for... guaranteed!

A fool and his money are soon parted.
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