Slow acceleration - Mercedes GLA Forum
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post #1 of 22 Old 03-18-2019, 06:53 PM Thread Starter
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Slow acceleration

Hello, I have a 2018 GLA 250 and noticed the acceleration to be slow in comfort mode. Feel like I have to press the gas a bit hard to get it to take off at a traffic light. I feel like it use to be better before. Anything I should check?
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post #2 of 22 Old 03-19-2019, 01:39 PM
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Get a better intake, like K&N, it'll improve throttle response.
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post #3 of 22 Old 03-19-2019, 02:37 PM
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Personally, I don't use Comfort mode. Car is very sluggish from start on that setting. It's lack of responsiveness made pulling out into traffic from a stop a little to interesting at times. No thanks.
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post #4 of 22 Old 03-19-2019, 06:28 PM
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Quote:
Originally Posted by Aladdin Sane View Post
Personally, I don't use Comfort mode. Car is very sluggish from start on that setting. It's lack of responsiveness made pulling out into traffic from a stop a little to interesting at times. No thanks.
Same here ! Comfort is a no no. Manual is the way to go for me.

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post #5 of 22 Old 03-19-2019, 09:44 PM Thread Starter
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Originally Posted by Aladdin Sane View Post
Personally, I don't use Comfort mode. Car is very sluggish from start on that setting. It's lack of responsiveness made pulling out into traffic from a stop a little to interesting at times. No thanks.
I started with eco, then switched over to comfort. What mode do you use? Sports? If so, how much more fuel does it actually consume?
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post #6 of 22 Old 03-20-2019, 07:12 AM
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I've had those "interesting" sluggish moments when pulling into traffic from a stop in Comfort mode (auto start/stop deactivated).

Sport mode for me now in those around town situations and then I switch back to comfort for long distance highway cruising.

2018 GLA 250 AWD in MA and FWD in FL
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post #7 of 22 Old 03-20-2019, 08:46 AM Thread Starter
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Originally Posted by Huey52 View Post
I've had those "interesting" sluggish moments when pulling into traffic from a stop in Comfort mode (auto start/stop deactivated).

Sport mode for me now in those around town situations and then I switch back to comfort for long distance highway cruising.
Thanks. I thought there’s something wrong. I had the car for 6 months, but used eco for beginning. Now find comfort slow getting out from the gate at the lights. Might need to switch into sport 🙂
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post #8 of 22 Old 03-20-2019, 11:04 AM
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I agree with all comments above. I have an AMG and comfort mode is very sluggish. Only drive in Sport mode!

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post #9 of 22 Old 03-20-2019, 12:36 PM Thread Starter
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I agree with all comments above. I have an AMG and comfort mode is very sluggish. Only drive in Sport mode!
Interesting. I thought an AMG would fly in in comfort 🙂
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post #10 of 22 Old 03-20-2019, 03:33 PM
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Comfort mode has lower RPM shift points when will create a slower takeoff. You might also do a trans reset where it will reset the accelerator petal response.

Check this post on doing the reset.

https://www.glaowners.com/forum/engi...el-travel.html

2019 GLA250 Black/Black replaced 2016 GLA250 Black/Black
Second car 2007 SLK350 Black/Black
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