A Class automatic gearbox problem - Mercedes-Benz Forum

 
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post #1 of 7 (permalink) Old 02-26-2006, 05:23 PM Thread Starter
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A Class automatic gearbox problem

I have a Dec 2000 A160 automatic. If it were a manual I would decribe the problem as a slipping clutch.Upon pulling away from a stanstill the engine revs but doesn't want to engage gear. If you rev it too hard an "F" appears on the dashboard display instead of the "D" and I loose all power. It can only be rectified by switching off the ignition and restarting, which isn't always possible in the middle of a junction.If you pull away slowly it will eventually engage gear at about 4000 revs and once first is engaged off it goes fine. Any ideas please?
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post #2 of 7 (permalink) Old 02-27-2006, 04:38 AM
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RE: A Class automatic gearbox problem

your car is on limp home mode. it is a feature of your car to ensure safe driving and preventing further damage if the FTC has detected a fault. it is possible to shift on 2nd and R just to drive you way home or to the nearest garage. switching off/ on the ignition could temporarily fix it. first thing to do with this problem is to check the ATF level. IF level is okay, have your car scanned by HHT diagnostic tool to be certain whats causing the problem. it could be the shift valve, regulating valve or worse the electrohydraulic control unit.
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post #3 of 7 (permalink) Old 07-16-2008, 01:13 AM
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Mine did the same,but needed a complete gearbox overhaul after only 77000 kms.
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post #4 of 7 (permalink) Old 02-01-2009, 10:47 PM
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My 2002 C200K has also gone into safe mode.
It has been in a repair shop for more than 2 months now, and the techs say the transmission is cavitating.

The car has 108 000 km on the clock.

At first the techs said that water had entered the transmisison, as there was rust and some sticky goo in the transmission, and the plates had burnt.

They have replaced the valve body, torque converter, primary pump, oil cooler, ATF fluid and control unit a number of times.
Every time I get the car back, it works for about 20-30 kilometres, and then goes back into safe mode.

Can anyone please help as to why the transmission keeps cavitating..
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post #5 of 7 (permalink) Old 07-17-2010, 05:12 AM
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Mercedes A160 gearbox problems.

[QUOTE=kdouble;1803017]I have a 2000 A160 semiautomatic. If it were a manual I would decribe the problem as a slipping clutch.Upon pulling away from standstill in first gear to second the engine revs but doesn't want to engage the selected gear. eventually engages gear and move forward, it cannot be driven in second in tail backs I drove 52 miles from first gear to third and fourth.


Any answers please? George Murray A160 gear problems.
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post #6 of 7 (permalink) Old 07-17-2010, 05:44 AM
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Originally Posted by pezulu View Post
My 2002 C200K has also gone into safe mode.
It has been in a repair shop for more than 2 months now, and the techs say the transmission is cavitating.

The car has 108 000 km on the clock.

At first the techs said that water had entered the transmisison, as there was rust and some sticky goo in the transmission, and the plates had burnt.

They have replaced the valve body, torque converter, primary pump, oil cooler, ATF fluid and control unit a number of times.
Every time I get the car back, it works for about 20-30 kilometres, and then goes back into safe mode.

Can anyone please help as to why the transmission keeps cavitating..
Please repost your problem in the following forum:

W203 C-Class - Benzworld.org - Mercedes-Benz Discussion Forum

ERIC.

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- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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post #7 of 7 (permalink) Old 07-17-2010, 05:46 AM
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Quote:
Originally Posted by kdouble View Post
I have a Dec 2000 A160 automatic. If it were a manual I would decribe the problem as a slipping clutch.Upon pulling away from a stanstill the engine revs but doesn't want to engage gear. If you rev it too hard an "F" appears on the dashboard display instead of the "D" and I loose all power. It can only be rectified by switching off the ignition and restarting, which isn't always possible in the middle of a junction.If you pull away slowly it will eventually engage gear at about 4000 revs and once first is engaged off it goes fine. Any ideas please?
You appear to have an electrohydrolic problem, but need the fault codes read out to be sure.

ERIC.

___________________________________________
"I am enclosing two tickets to the first night of my new play; bring a friend, if you have one."
- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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