Help! E320 jerking during acceleration
Newbie
Joined: Nov 2013
Posts: 3
Likes: 0
ml320cdi
Hi, using this thread as it appears close to my problem
Car is 2007 E280 CDi Sport (7 speed auto) and it has no turbo
Only very occassionaly if I accelerate fairly hard it will suddenly start juddering and if I don't lift the accelerater quick enough the engine goes into a "limp mode" and will not go beyond 1500 revs although it will slowly accelerate through the gears. If i select a lower gear then the engine will rev up to match the speed/gear but will then drop down to 1500 revs with the car slowing.
The garage has not found any error code and have no suggestions other than to start replacing parts until it is fixed.
More recently the juddering has started to happen when the car is crawling in traffic and the engine is at around 1200-1400 revs
Any ideas?
Thanks
Car is 2007 E280 CDi Sport (7 speed auto) and it has no turbo
Only very occassionaly if I accelerate fairly hard it will suddenly start juddering and if I don't lift the accelerater quick enough the engine goes into a "limp mode" and will not go beyond 1500 revs although it will slowly accelerate through the gears. If i select a lower gear then the engine will rev up to match the speed/gear but will then drop down to 1500 revs with the car slowing.
The garage has not found any error code and have no suggestions other than to start replacing parts until it is fixed.
More recently the juddering has started to happen when the car is crawling in traffic and the engine is at around 1200-1400 revs
Any ideas?
Thanks
What I ve done so far:
checked and refurbished / renewed turbo;
checked turbo actuator;
replaced exhaust back pressure sensor part# 0071534328
Now can't drive more than 5 kms before limp again.
When i restart the car, no limp for some time, and then again. usually it happens after low-rew driving, and then kicking dow and accelerating, especially crazy when overtaking.
So my next try is Port inlet shut off motor, same symptoms described in many forums, like http://www.mbclub.co.uk/forums/engin...off-motor.html and here how-to replace http://forums.mercedesclub.org.uk/sh...ad.php?t=93369
Newbie
Joined: Jan 2016
Posts: 1
Likes: 0
a class 160 cdi
A class juddering at start or randomly at other times, even coming to halt or loss of
A class juddering at start or randomly at other times, even coming to halt or loss of power at times:
I got the car serviced with change of fuel filter, oil filter, air filter and oil. this seems to have cured it, early days yet but i could immediately see the positive feeling . The car has much more power and efficiency, smooth ride, engine quiet and now behaves like new. the best £75 spent £50 parts and £25 labour. WELL EXCITED.
I got the car serviced with change of fuel filter, oil filter, air filter and oil. this seems to have cured it, early days yet but i could immediately see the positive feeling . The car has much more power and efficiency, smooth ride, engine quiet and now behaves like new. the best £75 spent £50 parts and £25 labour. WELL EXCITED.
Last edited by prad123rita; Jan 13, 2016 at 07:18 PM. Reason: better explanation
Newbie
Joined: May 2016
Posts: 1
Likes: 0
E280cdi W211
Hi all
I also have all the above problem of jerking and suddenly no power on acceleration... Computer diagnostic seems not to find any error... however as i when from 1 workshop to another i finally find 1 that have experienced similar problem but on an M-Class.
The only thing that needs to change is the SERVO-MOTOR (M55) and also found out some leak in 1 of the intercooler hose. Change both and all the problem gone.
I also have all the above problem of jerking and suddenly no power on acceleration... Computer diagnostic seems not to find any error... however as i when from 1 workshop to another i finally find 1 that have experienced similar problem but on an M-Class.
The only thing that needs to change is the SERVO-MOTOR (M55) and also found out some leak in 1 of the intercooler hose. Change both and all the problem gone.
Newbie
Joined: Sep 2013
Posts: 9
Likes: 0
2005 E320, 2006 E320CDI, 1987 560SL
I have a 2006 E320CDI and experiencing the jerking/bucking during moderate acceleration in the 20-40MPH range. When I let off the throttle, the problem goes away and then I am able to accelerate in a mild fashion.
I have had this issue for quite some time & would like to understand the problem. I am torn between thinking it is a transmission shift issue, and a turbo issue. It is hard for me to fathom how an intermittent turbo failure could cause such strong bucking/jerking.
Could someone please explain to me what a turbo could do cause such extreme behaviour? It almost feels like someone is intermittently shutting off the engine
Thanks in advance!
Brian
I have had this issue for quite some time & would like to understand the problem. I am torn between thinking it is a transmission shift issue, and a turbo issue. It is hard for me to fathom how an intermittent turbo failure could cause such strong bucking/jerking.
Could someone please explain to me what a turbo could do cause such extreme behaviour? It almost feels like someone is intermittently shutting off the engine
Thanks in advance!
Brian
Newbie
Joined: Jan 2018
Posts: 1
Likes: 0
Cls350 grand
I have a 2006 E320CDI and experiencing the jerking/bucking during moderate acceleration in the 20-40MPH range. When I let off the throttle, the problem goes away and then I am able to accelerate in a mild fashion.
I have had this issue for quite some time & would like to understand the problem. I am torn between thinking it is a transmission shift issue, and a turbo issue. It is hard for me to fathom how an intermittent turbo failure could cause such strong bucking/jerking.
Could someone please explain to me what a turbo could do cause such extreme behaviour? It almost feels like someone is intermittently shutting off the engine
Thanks in advance!
Brian
I have had this issue for quite some time & would like to understand the problem. I am torn between thinking it is a transmission shift issue, and a turbo issue. It is hard for me to fathom how an intermittent turbo failure could cause such strong bucking/jerking.
Could someone please explain to me what a turbo could do cause such extreme behaviour? It almost feels like someone is intermittently shutting off the engine
Thanks in advance!
Brian
MBWorld Fanatic!
Joined: Aug 2015
Posts: 1,059
Likes: 73
From: DC Metro Area
2007 Mercedes E550
Hi All,
I've got a problem that my local Mercedes service centre can't seem to solve.
Car:
Feb '06 E320 CDI Sport
Problem:
When accelerating fairly aggressively (i.e. from standstill, or merging into traffic) the car accelerates to about 35-40mph / 3,000rpm and then suddenly starts to shudder/jerk as if I'm stamping on the brakes. If I continue to try to accelerate it will do this jerk-jerk-jerk thing several times and then slow down. At this point I cannot accelerate beyond 30 mph, and I have no kick down at all. To fix it, I have to turn the car off, and then back on again.
I've had this happen several times on fast roads, and it's quite scary when it does. However, it doesn't happen ALL the time; it seems totally random. I can go for days without it happening, and then have it happen several times in one day.
The Mercedes service centre have had a look (allegedly) and cannot find a fault - all they could offer was a recalibration of the gear box (?) which probably wouldn't fix it (their words).
Does anyone have any ideas what this might be? I've spent the past few months drilling Google for possible solutions but have come up with nothing.
Thanks in advance.
-Jar
I've got a problem that my local Mercedes service centre can't seem to solve.
Car:
Feb '06 E320 CDI Sport
Problem:
When accelerating fairly aggressively (i.e. from standstill, or merging into traffic) the car accelerates to about 35-40mph / 3,000rpm and then suddenly starts to shudder/jerk as if I'm stamping on the brakes. If I continue to try to accelerate it will do this jerk-jerk-jerk thing several times and then slow down. At this point I cannot accelerate beyond 30 mph, and I have no kick down at all. To fix it, I have to turn the car off, and then back on again.
I've had this happen several times on fast roads, and it's quite scary when it does. However, it doesn't happen ALL the time; it seems totally random. I can go for days without it happening, and then have it happen several times in one day.
The Mercedes service centre have had a look (allegedly) and cannot find a fault - all they could offer was a recalibration of the gear box (?) which probably wouldn't fix it (their words).
Does anyone have any ideas what this might be? I've spent the past few months drilling Google for possible solutions but have come up with nothing.
Thanks in advance.
-Jar
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Newbie
Joined: Mar 2018
Posts: 1
Likes: 0
c 320 cdi
Hi, using this thread as it appears close to my problem
Car is 2007 E280 CDi Sport (7 speed auto) and it has no turbo
Only very occassionaly if I accelerate fairly hard it will suddenly start juddering and if I don't lift the accelerater quick enough the engine goes into a "limp mode" and will not go beyond 1500 revs although it will slowly accelerate through the gears. If i select a lower gear then the engine will rev up to match the speed/gear but will then drop down to 1500 revs with the car slowing.
The garage has not found any error code and have no suggestions other than to start replacing parts until it is fixed.
More recently the juddering has started to happen when the car is crawling in traffic and the engine is at around 1200-1400 revs
Any ideas?
Thanks
Car is 2007 E280 CDi Sport (7 speed auto) and it has no turbo
Only very occassionaly if I accelerate fairly hard it will suddenly start juddering and if I don't lift the accelerater quick enough the engine goes into a "limp mode" and will not go beyond 1500 revs although it will slowly accelerate through the gears. If i select a lower gear then the engine will rev up to match the speed/gear but will then drop down to 1500 revs with the car slowing.
The garage has not found any error code and have no suggestions other than to start replacing parts until it is fixed.
More recently the juddering has started to happen when the car is crawling in traffic and the engine is at around 1200-1400 revs
Any ideas?
Thanks
Newbie
Joined: Jul 2021
Posts: 1
Likes: 0
C320
Had this issue
Hi All,
I've got a problem that my local Mercedes service centre can't seem to solve.
Car:
Feb '06 E320 CDI Sport
Problem:
When accelerating fairly aggressively (i.e. from standstill, or merging into traffic) the car accelerates to about 35-40mph / 3,000rpm and then suddenly starts to shudder/jerk as if I'm stamping on the brakes. If I continue to try to accelerate it will do this jerk-jerk-jerk thing several times and then slow down. At this point I cannot accelerate beyond 30 mph, and I have no kick down at all. To fix it, I have to turn the car off, and then back on again.
I've had this happen several times on fast roads, and it's quite scary when it does. However, it doesn't happen ALL the time; it seems totally random. I can go for days without it happening, and then have it happen several times in one day.
The Mercedes service centre have had a look (allegedly) and cannot find a fault - all they could offer was a recalibration of the gear box (?) which probably wouldn't fix it (their words).
Does anyone have any ideas what this might be? I've spent the past few months drilling Google for possible solutions but have come up with nothing.
Thanks in advance.
-Jar
I've got a problem that my local Mercedes service centre can't seem to solve.
Car:
Feb '06 E320 CDI Sport
Problem:
When accelerating fairly aggressively (i.e. from standstill, or merging into traffic) the car accelerates to about 35-40mph / 3,000rpm and then suddenly starts to shudder/jerk as if I'm stamping on the brakes. If I continue to try to accelerate it will do this jerk-jerk-jerk thing several times and then slow down. At this point I cannot accelerate beyond 30 mph, and I have no kick down at all. To fix it, I have to turn the car off, and then back on again.
I've had this happen several times on fast roads, and it's quite scary when it does. However, it doesn't happen ALL the time; it seems totally random. I can go for days without it happening, and then have it happen several times in one day.
The Mercedes service centre have had a look (allegedly) and cannot find a fault - all they could offer was a recalibration of the gear box (?) which probably wouldn't fix it (their words).
Does anyone have any ideas what this might be? I've spent the past few months drilling Google for possible solutions but have come up with nothing.
Thanks in advance.
-Jar
I topped up oil and gently ran forran miles with spluttering and Jerking gradually eased and felt blocked around the 3000rpm mark as said on thread, so I took out the next day after checking oil again , this time put straight into sport mode from cold and have gently pushed through what I believe is either a oil blockage or air in pipe , NO MO JERKING or surging is back to being the awesome full power it should be and smooth , hope this helps
