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Transmission problems 2007 e320 bluetec

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Transmission problems 2007 e320 bluetec

 
Old 02-09-2019, 05:41 AM
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2007 Mercedes Benz E320 Bluetec (CDI)
Transmission problems 2007 e320 bluetec

Ok, so maybe someone here can help me with this. I will explain everything in strict detail.

I bought this car a few weeks ago and the ride is amazing. But of course, I have some problems.

Everytime I stop the car on an incline (i.e. taking a freeway exit,) the car takes off extremely slow as if the transmission in stuck in a lower gear, once it slightly gets up to speed, it does not shift.

When this happens, I stop the car, put it in park, and turn the car off and turn it back on. The car drives completely fine once again until I come to a full stop on an incline again.

I got the transmission fluid, filter, and gasket changed today but the car still has the issue (only when it's on an incline.)


​​​​​​Is there a reset on the transmission that needs to take place?

I really don't think that the transmission is bad considering the fact that the car works completely fine after turning the car off and back on.

I would really appreciate some help with this and maybe even some troubleshooting steps that I can try? Maybe there is a transmission fluid level sensor that's out of whack? Please help me
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Old 02-09-2019, 05:43 AM
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2007 Mercedes Benz E320 Bluetec (CDI)
I will try to upload a video later on in the afternoon and paste the link here.
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Old 02-09-2019, 08:02 AM
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2006 E320 CDI
To reset your transmission, you can try this:

Just Put the key in ignition, turn to pos 2, floor pedal for 5 to 20 seconds (nobody really knows who long it really takes), turn key back to off, leave it in the ignition though, then release gas pedal, wait until your cluster goes off (that's when your CAN-B CAN-Bus shuts down) and remove the key. Lock the car if you want or need to so you can go back inside the house.

Mike T.
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Old 02-09-2019, 05:33 PM
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2007 Mercedes Benz E320 Bluetec (CDI)
I just did what you told me to. Now I will probably test drive it a little later so that I can let you know if that solved the problem.
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Old 02-09-2019, 11:08 PM
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Push the switch at the lever from Comfort to Standard.
That should confirm on dashboard display.
Still even on 2nd gear the 642 engine has so much torque, that possibly your engine needs tune-up of flappers cleaning.
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Old 02-09-2019, 11:22 PM
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Originally Posted by kajtek1 View Post
Push the switch at the lever from Comfort to Standard.
That should confirm on dashboard display.
Still even on 2nd gear the 642 engine has so much torque, that possibly your engine needs tune-up of flappers cleaning.
​​​​​​Can glow plugs cause the transmission to act funny?
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Old 02-10-2019, 12:25 AM
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Originally Posted by Ak0913 View Post
I would really appreciate some help with this and maybe even some troubleshooting steps that I can try?
Know anyone with STAR (MB diagnostics) have them check for transmission & ECU software updates.

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Old 04-07-2019, 06:06 PM
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2008 E320 Bluetec
How did you make out with the transmission problem?
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Old 04-09-2019, 11:39 AM
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Originally Posted by Ak0913 View Post
Ok, so maybe someone here can help me with this. I will explain everything in strict detail.

I bought this car a few weeks ago and the ride is amazing. But of course, I have some problems.

Everytime I stop the car on an incline (i.e. taking a freeway exit,) the car takes off extremely slow as if the transmission in stuck in a lower gear, once it slightly gets up to speed, it does not shift.

When this happens, I stop the car, put it in park, and turn the car off and turn it back on. The car drives completely fine once again until I come to a full stop on an incline again.

I got the transmission fluid, filter, and gasket changed today but the car still has the issue (only when it's on an incline.)


​​​​​​Is there a reset on the transmission that needs to take place?

I really don't think that the transmission is bad considering the fact that the car works completely fine after turning the car off and back on.

I would really appreciate some help with this and maybe even some troubleshooting steps that I can try? Maybe there is a transmission fluid level sensor that's out of whack? Please help me
Sounds like a conductor plate malfunction putting it into limp mode (staying in one gear) and then the transmission control unit resets after you turn it off and on. . Try to get the error codes off the car.
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Old 04-09-2019, 11:42 AM
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Originally Posted by mtrevelino View Post
To reset your transmission, you can try this:

Just Put the key in ignition, turn to pos 2, floor pedal for 5 to 20 seconds (nobody really knows who long it really takes), turn key back to off, leave it in the ignition though, then release gas pedal, wait until your cluster goes off (that's when your CAN-B CAN-Bus shuts down) and remove the key. Lock the car if you want or need to so you can go back inside the house.

Mike T.
That car has the 722.9 transmission which cannot be reset like the 722.6 could. Regardless, what you described is resetting the throttle, not transmission.
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Old 04-09-2019, 12:50 PM
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Again, find independent with STAR a quick test will identify stored/current fault codes if any and they should have the ability to update transmission software to current version. See attached bulletin.
Attached Files
File Type: pdf
27.00_104.pdf (68.7 KB, 4 views)
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Old 04-09-2019, 09:44 PM
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07 E320 Bluetec
Not quite the same issue with my 2007 E320 Bluetec I bought new; after owning for 11 years, last year I experienced erratic gear changes and finally it got stuck in 1st gear; it was the speed sensor in the valve body. I had an option of just having the speed sensor replaced however chose to replace the valve body and conductor plate; an expensive option but I did not want to have MB having to replace another sensor or relay in a few years; net result, the transmission is extremely smooth and hopefully last me another ten years since I've only done a little over 80,000 miles from new. Considering the amount I spent on suspension upgrades to Bilstein IRC in just the second year I think, plus focal component door speakers, there's no way I'll consider another Mercedes or similar car in my near future.
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