s320 cruise
Thread Starter
Member
Joined: Jun 2003
Posts: 90
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From: vancouver bc
1995 S320V
s320 cruise
I recently had a lot of work done on my 1995 s320 engine. new engine wireing loom, spark plug coils/igniters,I forget the correct name, and the dreaded leaking T conector on the firewall. The new coils finaly fixed the rough running problem. I got the done coils done at an independant shop as the Mercedes dealer seemed unable to fix the problem despite outrageous costs.
So last week I drove from Vancouver Canada to Palm Dessert California, about 2000 kilometers. I used the cruise control on the straight and relatively flat sections at about 120 kph. On two occasions the engine suddenly stopped, the srs light came on and no power. The first time I made a "dead stick" landing pulling over to the road side with no power. The car restarted right away. The second time I didn't pull over, I put the shifter in neutral and restarted the engine and continued on. Neadless to say this made the wife very nervous, and she volunteered to drive, not using the cruise control.
Has anone else had this happen, and if so found a fix??
So last week I drove from Vancouver Canada to Palm Dessert California, about 2000 kilometers. I used the cruise control on the straight and relatively flat sections at about 120 kph. On two occasions the engine suddenly stopped, the srs light came on and no power. The first time I made a "dead stick" landing pulling over to the road side with no power. The car restarted right away. The second time I didn't pull over, I put the shifter in neutral and restarted the engine and continued on. Neadless to say this made the wife very nervous, and she volunteered to drive, not using the cruise control.
Has anone else had this happen, and if so found a fix??
Newbie
Joined: Dec 2004
Posts: 8
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I had the same thinh on my 1995 S 320 silver this case will repeated sevral time till you find no way of switching off and start again and you have to carry your car to the shop.
in my case I was lucky they found the cable is worn out and they chang it with new one and every thing back to normal.
the throttle actuator is very expencive about 1500$ new so check your actuator cable before become wrest the part # Part Number 0001414925
in my case I was lucky they found the cable is worn out and they chang it with new one and every thing back to normal.
the throttle actuator is very expencive about 1500$ new so check your actuator cable before become wrest the part # Part Number 0001414925
Junior Member
Joined: Jan 2010
Posts: 53
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From: norcal
1996 S320 SWB, 1998 S600
Thanks for the tips on anything S320. That looks like an electronic part.
I've lubricated my throttle cable at both ends, as well as return spring. I even felt a little smug after Toyotas debacle with a computer driven throttle, which will be a great system when the bugs get ironed out.
I've lubricated my throttle cable at both ends, as well as return spring. I even felt a little smug after Toyotas debacle with a computer driven throttle, which will be a great system when the bugs get ironed out.
Newbie
Joined: Nov 2009
Posts: 9
Likes: 0
From: Bangkok
W140
If you open the throttle actuator unit, you will find a bunch of wire insulators are broken, you could clean and replace it with the new one, I done mind couple of years back and it give me no problem since. (The job is not quite difficult DIY type)
Before that time I done so many "dead stick landing" from this problem which initial focus on the break switch, but it is not.
Before that time I done so many "dead stick landing" from this problem which initial focus on the break switch, but it is not.
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Newbie
Joined: Nov 2009
Posts: 9
Likes: 0
From: Bangkok
W140
I replace the whole bunch of them. You may need mil spec. wires or high temperature insulator wire for good measure. I think I have some link that show the details eventhough that is for 600 type, but for 320 it'll be just one control unit while 600 has two (left bank and right bank engine).
Newbie
Joined: Nov 2009
Posts: 9
Likes: 0
From: Bangkok
W140
Information related to the actuator rewire
Here is the information that will help you to do the job. 
http://v12uberalles.com/throttle_actuator_rewire.htm
http://v12uberalles.com/throttle_actuator_rewire.htm
Thread Starter
Member
Joined: Jun 2003
Posts: 90
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From: vancouver bc
1995 S320V
impressive
I don't think I have the confidence to try to do this job. It is very involved.
I only have the one car so I can't take it off the road for as long as this would take. I will try everyk thing else before I make a decission.
Thanks for the information.
I only have the one car so I can't take it off the road for as long as this would take. I will try everyk thing else before I make a decission.
Thanks for the information.
