95 E320 ASR ISSUES
Thread Starter
Junior Member
Joined: Jan 2010
Posts: 43
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From: Central Illinois
2008 R350, 1997 C280 SEDAN
95 E320 ASR ISSUES
Does anyone know about the ASR issues/problems with these vehicles? My E320 refuses to let up on these ASR issues. Does anyone know how to troubleshoot the problem?
These E320s are tricky vehicles. I just changed the wiring harness, throttle body, Resonance Valve-Intake, and the overload relay. The car still has acceleration problems intermittently with the ASR.
I'm at a loss right now. Help!
These E320s are tricky vehicles. I just changed the wiring harness, throttle body, Resonance Valve-Intake, and the overload relay. The car still has acceleration problems intermittently with the ASR.
I'm at a loss right now. Help!
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Joined: Nov 2002
Posts: 1,028
Likes: 133
From: Massachusetts
2018 GLE350, 2014 G550, 2000 SL500, 1980 TR8, 1995 E320 Cabriolet
Check the speed sensors on the hubs (these are the ones that do not connect to the brake pads) as recommended above. A dirty sensor or a damaged cable will cause the speed signal to drop out thus making the ASR controller think you are "slipping" which will cause it to cut power (and turn on the ASR light). If you have changed all that you have said, other than the sensors, you've ruled out the easy stuff. The ASR system interfaces to several others so diagnosis can be complex. I know I will sound like a broken record (yes, I'm from the vinyl era), but the only way to diagnose some of these complex issues is to read the blink codes from the controller. You can build a home brew one for under 10 bucks (search for it). The codes are attached to this post. Good luck.
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Thread Starter
Junior Member
Joined: Jan 2010
Posts: 43
Likes: 0
From: Central Illinois
2008 R350, 1997 C280 SEDAN
Well, it appears the car is acting up again. It has driven fine for a month now but today I drove home from the grocery store today and when I finished shopping the car would not start. Everything powered up normally but the engine would not turn over. I got nothing when I turned the key. The dash lit up but no sound from the engine. Starter?? ASR?? I have no clue. I've spent over $2600 in service/parts/etc in the past 90 days alone.
