Question about 1992 Mercedes-Benz Mercedes Benz 400 Class

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Asr not working properly

Asr light comes on, then it goes into safe mode. rev up & down tach stops working.

Posted by Anonymous on

5 Suggested Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: 1994. MBz, s600. v-12. ASR. dashboard light.

The ASR (acceleration slip regulation) light is for the ETA (electronic throttle actuator) it is a mysterious beast that controls throttle placement. I would say that you have one of two problems. Either the interior insulation of the wiring of the ETA is is crumbling or the wiring harness is disintegrating. Either fix isn't cheap although if I had to pick one I'd pick the wiring harness. It's about a third of an ETA. In short check he wiring to the ETA, look for damage or water intrusion, if nothing is found you will have to replace the ETA control.
READ THIS POST FROM A M-BENZ FORUM MEMBER ON ASR ISSUE
For two years I lived with the the ASR light coming on shortly after starting the car and had to either continue driving it in the limp home mode, or stop the car to restart it to regain normal engine operation with the ASR light out. Finally, it got so bad I simply took a chance, after discussing the problem with a reputable local indie, and bought a rebuilt ETA from Potomac German Auto and put it in. The part had a one year warranty with it and was about half the cost of a new unit from MB. There are other companies out there that rebuild these units as well. At any rate the ASR problem went away. To give you a reference point, my car had about 156,000 miles on it when I did this repair. That may or may not be significant to your situation, and I probably should have corrected this problem well before I did, but I didn't.

Posted on Dec 31, 2008

jasperoni
  • 203 Answers

SOURCE: asr limp home MB 600

Model years 93 and 94 have the L.H. type fuel injection system. There is also e.z.l.(ignition),a.s.r.(acceleration slip regulation-traction)i.s.c.-c.c.-e.a.(idle speed control,cruise control and electronic acuater),d.m.(diagnostic mod.)and the base module. With a v-12 there is 2 of everything exept base and d.m.. the d.m. mod. overlooks the entire system and the base supplies voltage to the computers. This system is complicated and difficult to diag. Most likley one of your electronic acuaters is faulty. That is your throttle motor. These era vehicles have wire harness issues. Have the car ran for codes starting with the d.m.. at least this vehicle will store faults-the light does not have to be on to read the fault. More than likley you will find an e.a. code. You can have these motors rebuilt for about 1/4 the cost of a new one. Also never attempt to raise idle at one of the actuaters because if they are not both moved at the same time you will lose throttle synchronization and have to have the memmory cleared and resynch. motors. It will cause the exact symptoms like you described-also when the pigtail harness wires short and the modules lose the throttle synch. Good luck

Posted on Jul 28, 2009

  • 88 Answers

SOURCE: i have a 1992 Mercedes s500 which occasionally the

Suspect idle control motor, although mass air flow sensor problems have sometimes been related to idle surge. Have pcm codes pulled for further diagnosis.

Posted on Dec 26, 2009

  • 3 Answers

SOURCE: 1994. MBz, s600. v-12. ASR. dashboard light.

check throttle actuator passenger side and e gas computer

Posted on Nov 30, 2012

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Asr light on wont rev up goes off may run a wweek no problem then act (ugly) again


if your ASR light is on, then either you are experiencing wheel-spin (even a small amount will cause it to flash), or you might have pressed the ASR button to turn it off (it will be on constantly).

When on and slipping; engine revs are limited by computer to maintain control. Until it resets. This feature may be disabled by pressing ASR or "anti skid" button... not recommended unless prepared for wheel slippage.

Sounds like it is doing its job? The rev up shutting down will not hurt your motor... It's the trade off for uncontrolled slipping being controlled by computer..

Jan 03, 2016 | Cars & Trucks

Tip

90's Mercedes ASR light on issue


In the 1990's the ASR system was introduced into Mercedes Benz. Traction control was a great feature but now these systems are aging and giving people hard times with the "limp home mode".

First is a simple check. Sometimes the accelerator cable becomes bound or tight. As holding the gas pedal down from the hood while starting will initiate the ASR limp home mode condition back off the adjustment to put just a little slack in the cable. This will allow no tension at start up and allow light not to come on. Lubrication of the cable is a great idea at this age also.

There is also a speed sensor on the front drivers wheel behind the hub that should be removed and cleaned to provide accurate wheel speed and let the system operate correctly. Also in most MB's of thiese years there is another sensor in the rear end that reads rear axle speeds for proper traction control. This unit is better replaced than cleaned due to the high use and heat from exhaust and milage involved.

If you have been to push the gas pedal to start your car there are other issues involved than ASR and you should look into your ignition parts or fuel delivery system.

I hope my tip helps those with this problem.

on May 07, 2010 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

Location of asr anti slip


ASR light on, mostly caused by a brake switch,

Jan 28, 2014 | 1992 Mercedes-Benz E-Class

1 Answer

1995 E320 asr light come on and car stop accelaration


Mostly this problem appends on winter time. I f you take your car to the dealership you could throw your money away like many people did and the problem still not solve. I fixed mine definitely by myself and you could do it too. 1- Open the hood, Jack the vehicle. On both front tires you will see a cable that looks like a Rca jack that connect to the brakes but it's bigger than RCA jack. 2- Follow that RCA cable to the hood and on the other end you will see 2 small white wires that bring power to ASR and ABS system cut those 2 wires and you automatically disable the ASR and you solve the problem. As you know the ASR system is good for snow, it's like a 4 by 4 and you will need it later to drive safely in bad weather when there is snow. What to do next. After cutting the 2 small wires, I put 2 swiches in case I need the ASR in bad weather.One swich for ASR and the other one for ABS. when you cut one wire you connect both ends to the swich and you do the same for the second wire that you cut. The only one thing you will see is the ASR and ABS light will turn on on the dash. When driving in bad weather, open the hood and turn on the swich to enjoy the feature of the ASR.. ASR=4 by 4

Sep 16, 2011 | 1995 Mercedes-Benz S-Class

1 Answer

Volkswagon bora 130 tdi is juddering with asr light coming on and staying on bit like changing gear at low revs but it does go not away unless turn car off and start again or turn asr off before driving...


asr works in conjunction with abs.to stop a wheel it(the car)thinks is loosing grip, from spinning.By applying the brakes to the wheel that is loosing grip,so the car is applying the brake. hence the juddering. if it stops when you turn it (asr)off it must be a sensor fault.easy way is to plug in the diagnostic computer to pinpoint faulty unit. if you dont drive very enthusiastically,then turn asr off until next mot/service.get back if you need any more info ....

Mar 27, 2010 | 2001 Volkswagen Golf

1 Answer

I have a 1992 Mercedes s500 which occasionally the rev counter suddenly jumps up & down then stops completely then ASR light comes on and the car goes into ''limp mode'', then after a few minutes it...


Suspect idle control motor, although mass air flow sensor problems have sometimes been related to idle surge. Have pcm codes pulled for further diagnosis.

Dec 25, 2009 | 1992 Mercedes-Benz Mercedes Benz S Class

1 Answer

1994. MBz, s600. v-12. ASR. dashboard light.


The ASR (acceleration slip regulation) light is for the ETA (electronic throttle actuator) it is a mysterious beast that controls throttle placement. I would say that you have one of two problems. Either the interior insulation of the wiring of the ETA is is crumbling or the wiring harness is disintegrating. Either fix isn't cheap although if I had to pick one I'd pick the wiring harness. It's about a third of an ETA. In short check he wiring to the ETA, look for damage or water intrusion, if nothing is found you will have to replace the ETA control.
READ THIS POST FROM A M-BENZ FORUM MEMBER ON ASR ISSUE
For two years I lived with the the ASR light coming on shortly after starting the car and had to either continue driving it in the limp home mode, or stop the car to restart it to regain normal engine operation with the ASR light out. Finally, it got so bad I simply took a chance, after discussing the problem with a reputable local indie, and bought a rebuilt ETA from Potomac German Auto and put it in. The part had a one year warranty with it and was about half the cost of a new unit from MB. There are other companies out there that rebuild these units as well. At any rate the ASR problem went away. To give you a reference point, my car had about 156,000 miles on it when I did this repair. That may or may not be significant to your situation, and I probably should have corrected this problem well before I did, but I didn't.

Dec 31, 2008 | 1994 Mercedes-Benz S-Class

1 Answer

Asr light


replace the ASR system ETA (electronic throttle actuator cotrol assembly) actuator, this is the most common issue with ASR lights, this system is a real problem, lots of posts on the internet about problems with it like yours. .

Dec 17, 2008 | 1993 Mercedes-Benz E-Class

1 Answer

Passat 200, intermittently break/ABS/ASR/STOP lights come ON


Try carefully topping up the brake fluid, this can happen when the level falls as the pads wear down especially when cornering

Dec 04, 2008 | 2000 Volkswagen Passat 4Motion

2 Answers

Toyota hilux surf ssrg 1991


I have a 95 3.0l and mine does this when the fuel filter or injectors are blocked. I ran a bad batch of bio diesel and had the same thing about 6 times. As soon a you take your foot of the revs the light goes back out.

Oct 15, 2008 | 1995 Toyota 4Runner

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