Flat spot in acceleration while cornering w BT?
Thread Starter
MBWorld Fanatic!
Joined: Feb 2004
Posts: 2,566
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'14 ML BT
Flat spot in acceleration while cornering w BT?
Anyone experience a lull or interruption in power when cornering?
It only lasts a second or so, right about at the apex, but I don't like it.
When my foot says go ... I wanna' feel that torque!
I will comment that this thing is a 5,000lb rocket on highway acceleration.
It only lasts a second or so, right about at the apex, but I don't like it.
When my foot says go ... I wanna' feel that torque!
I will comment that this thing is a 5,000lb rocket on highway acceleration.
Senior Member
Joined: May 2013
Posts: 377
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From: Chicago, IL
2023 EQS 580 SUV
The other day I was trying to quickly get off the parking lot before the oncoming car got too close and at first the ML jumped forward but then the system kicked in and almost stopped the car. I think that the wheels lost traction by jumping off the curb and the ESP hit the breaks.
Senior Member
Joined: May 2008
Posts: 477
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From: Maricopa, AZ
2012 S63, 2013 E350 Bluetec
I have the same problem on a '13ML350BT. I noticed it last when I was turning left to go onto a freeway on-ramp. As it was an on-ramp, I put my foot in it, but nothing happened for a second or two. Very disconcerting. As I have other issues with it and it's going into the dealership, I'll have them check it out. The rain sensing wipers have lost their mind, the panoramic roof stopped working, it was low on coolant, etc.
Member
Joined: Oct 2013
Posts: 224
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From: Western Europe
2017 GLS 350d
Are you sure this is not just the ESP kicking in? It happens to me as well if I go a little heavier than usual on the right pedal. The car senses that more power will likely induce drift so cuts down the power.
Senior Member
Joined: Mar 2014
Posts: 387
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2014 ML350 BlueTec
Is it possible the tranny is not in the right gear and it takes a second for it to downshift in the turn. My ML had never shown this trait and seem to do fine in the turns when I want to accelerate.
Does it do it on every turn?
Does it do it on every turn?
MBWorld Fanatic!
Joined: Aug 2002
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From: Atlanta, GA USA
2000 MB G500 NMLE, 2015 Audi Q7 3.0 TDI Prestige
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Thread Starter
MBWorld Fanatic!
Joined: Feb 2004
Posts: 2,566
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'14 ML BT
Thanks to the others too, I wasn't pushing for a drift quite yet, it only had 150 miles when that happened.
My first thought was turbo lag, but gear hunting by the new transmission/driving may be valid.
I'll try to recreate it this weekend.
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Junior Member
Joined: Dec 2013
Posts: 49
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2015 ML 350 Gas(Polar White). 2015 ML 350 gas(Lunar Blue). 68 mustang
Thanks, sounds similar, but I wasn't really getting on it, just mild acceleration. Thanks to the others too, I wasn't pushing for a drift quite yet, it only had 150 miles when that happened. My first thought was turbo lag, but gear hunting by the new transmission/driving may be valid. I'll try to recreate it this weekend.
MBWorld Fanatic!
Joined: Aug 2002
Posts: 1,308
Likes: 35
From: Atlanta, GA USA
2000 MB G500 NMLE, 2015 Audi Q7 3.0 TDI Prestige
And the Audi Q7 transmission (made in Japan) is absolutely silky smooth!
MBWorld Fanatic!
Joined: Mar 2004
Posts: 5,017
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From: Ft. Lauderdale Area, USA
2015 ML 350
It IS a shame.
MBWorld Fanatic!
Joined: Aug 2002
Posts: 1,308
Likes: 35
From: Atlanta, GA USA
2000 MB G500 NMLE, 2015 Audi Q7 3.0 TDI Prestige
Senior Member
Joined: Dec 2007
Posts: 331
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From: Orange County, CA
'16 Jaguar F-Type R, '21 GLE63s
I think he is referring to the fact that when in comfort mode, you start out in 2nd gear, not 1st, from a start. Only in sport mode does the car start in 1st. this is more for saving fuel and having a smooth start than disabling a gear. This is not just MB that does this.
Super Member
Joined: Dec 2010
Posts: 831
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From: N.C. USA
2015, ML250 BlueTEC
Starting in 2nd gear
I think he is referring to the fact that when in comfort mode, you start out in 2nd gear, not 1st, from a start. Only in sport mode does the car start in 1st. this is more for saving fuel and having a smooth start than disabling a gear. This is not just MB that does this.
MBWorld Fanatic!
Joined: Aug 2002
Posts: 1,308
Likes: 35
From: Atlanta, GA USA
2000 MB G500 NMLE, 2015 Audi Q7 3.0 TDI Prestige
I think he is referring to the fact that when in comfort mode, you start out in 2nd gear, not 1st, from a start. Only in sport mode does the car start in 1st. this is more for saving fuel and having a smooth start than disabling a gear. This is not just MB that does this.
Senior Member
Joined: Mar 2014
Posts: 387
Likes: 2
2014 ML350 BlueTec
Member
Joined: Mar 2014
Posts: 174
Likes: 30
From: RI
2020 GLE 450
The other day I was trying to quickly get off the parking lot before the oncoming car got too close and at first the ML jumped forward but then the system kicked in and almost stopped the car. I think that the wheels lost traction by jumping off the curb and the ESP hit the breaks.
Last edited by audi40; Jul 21, 2014 at 07:35 AM.
