Need help with stalling 1989 300TE - Page 2 - PeachParts Mercedes-Benz Forum

aolszowka · #16 02-17-2005, 03:34 AM

I seem to have the same problem always while slowing down/coasting and many times while comming down hill, quite scary... After an oil change it seemed to stop the problem but it once again has started up, its comming up for an oil change soon, would this have any effect on this problem? Also I do not understand what a high idle is as this is my first car :-\ Any help would be great thanks!

[Edit]
Forgot to mention I have a 1988 300e not a 1989 like the post states, but the symptoms are the same, the car stalls it becomes hard to steer off the road to restart the car and all of the lights on the HUD light up

BENZ-LGB · #17 02-17-2005, 10:31 AM

Quote:

Originally Posted by aolszowka

I seem to have the same problem always while slowing down/coasting and many times while comming down hill, quite scary... After an oil change it seemed to stop the problem but it once again has started up, its comming up for an oil change soon, would this have any effect on this problem? Also I do not understand what a high idle is as this is my first car :-\ Any help would be great thanks!

[Edit]
Forgot to mention I have a 1988 300e not a 1989 like the post states, but the symptoms are the same, the car stalls it becomes hard to steer off the road to restart the car and all of the lights on the HUD light up

I doubt the oil changes have anything to do with it. today I am taking the car to a new mechanic. Hopefully he can diagnose and fix the problem. I'll keep everyone updated.

The engine in your car, the M103, is identical to the engine in my daughter's car.

The car is hard to steer because there is no power assist to the power steering pump. Same thing with the brakes.

BTW, I don't really think you have a HUD (heads up display). Benz did not offer a HUD on that make, model and year car. In fact, I don't think that Benz has ever offered a HUD.

Good luck with your car and I like I wrote, I'll keep everyone posted.

aolszowka · #18 02-18-2005, 01:05 AM

lol sorry by HUD I was refering to the odometer thingy, not quite sure on the correct name for it I always just call it the HUD

Glick · #19 02-18-2005, 11:20 AM

Idle Speed Control Valve

BENZ-LGB · #20 02-18-2005, 06:41 PM

Quote:

Originally Posted by Glick

Idle Speed Control Valve

Been there...done that....all to no avail

350SL4spd · #21 10-17-2005, 12:51 PM

BENZ-LGB,
Ever figure this problem out? Can you update us on what the new mechanic said?
My 300E is starting to exhibit similar symptoms, and I'd like to nip it in the bud ASAP.
Thanks!
-M-

kk9 · #22 10-18-2005, 02:27 PM

Same problem with my car too.
I have been scanning all the posts related to stalling for more than a year. I would like to know too. Last night I took the car to another old and very experienced mechanic.
He told me to put a can of injector cleaner into half tank of fuel and run the car for a few days if it still stalls he said I will have to replace the ignition control unit. The car did not stall today. I am hoping it gets cured.

I asked the Bosch service centre here whether they can run some diagnostics on this car and be able to tell me what the problem is. I got the answer that this car being an old one it does not have any electronics capability that can be diagnosed . The only thing they can do is guesswork and keep on changing parts till the problem is fixed.I further asked him whether the dealer has some instruments that will be able to diagnose the problem, I got the answer that they will hand me a list of all the parts needed for the engine to run which will be more than the cost of the car.
I have spent a lot of money on keeping the car looking beautiful and now I dont want to let it go.

haasman · #23 10-18-2005, 06:23 PM

There a several reasons why your engine would stall. I would check basics such as cap and rotor etc.

I did a search and found these: 300e Stalling Search

Haasman

350SL4spd · #24 10-18-2005, 09:30 PM

My stalling prob is very specific (aren't they all

). Mine is a "under braking, after warmed up, no stutter (instant stall no warning), immediately start back up perfectly, only happens once in a while" type of stall.

I have searched extensively (hense my resurecting this thread), and I will be looking into the ICV, FPR, & OVP, in that order. Just trying to narrow it down as I have little time right now to chase my tail (or chase "tail" for the matter).
Hmm...you think the tranny's not kicking down causing a low RPM stall?...How's that for far out there?

.
I've been in the archives too long

... Time to get my hands dirty!
-M-

kk9 · #25 10-19-2005, 02:45 AM

My car too stalls without warning , no stutter and starts right up immediately just like wdba123190.
I have replaced the OVP, FPR and cleaned the ICV twice.
My car has been checked by a reputed garage here. the basics like caps & rotors has been checked over. They could find nothing.They found the fuel accumulator to be faulty. In fact it has been replaced twice in two years.I also had the crank position sensor replaced.The car did not stall for two weeks and then after that it stalled twice in an hour.The next thing they want to check /replace would be the Ignition control unit.

350SL4spd · #26 10-19-2005, 12:05 PM

kk9,
This is the second time my car has been down this path. The first time was about 4yrs ago. Then the EHA was swapped out and I had no problems until recently. My fathers 300TE had the EHA replaced about 4yrs ago to try and correct a hard start problem (no stalling), and that just had to be replaced again last week as it was weeping fuel. Hmmmm. Maybe the new EHA's suck...I think I'll look at my EHA too and see if it's leaking.

It's just hard to believe that a motor this common has an issue this common and the solution is so freakin' uncommonly hard to find.

I worry about dirty injectors too...

Talk about a laundry list...

-M-

BENZ-LGB · #27 10-19-2005, 06:35 PM

O...here is an update on the stalling issue. BTW, I am simply amazed to learn how many 300TE and other W124 of late 1980s, early 1990s vintage exhibit the same problem. Every Benz forum that I visit, there are people like us with W124 cars that have stalling problems. It is beyond belief that no one has come up with a permanent solution yet.

As for my duaghter's 300TE. Enrique, from Mr. MB Motors worked on it. His diagnose is the wiring harness. But rather than going through the expense of buying a whole wiring harness, he took the time to go wire by wire to diagnose the problem.

The way he explained it to me, as the car slows down to a stop, the wires are sending a spurious signal (I amnot exactly sure how) that causes the computer to cut off the fuel. When the car stops, the computer resets itself and the car runs again (because now fuel is flowing). So the problem is somewhere in the ignition-fuel loop.

Anyhow, Enrique fixed the car and it ran fine for a couple of months. Then, last month it began to stall again.

So far I have not taken it back to him. I had thought about sellign the car, but with a stalling problem I cannot sell or I cannot ask for much.

Other than the stalling problem, the car is in immaculate condiitons. It runs smooth, the tranny is strong, the body is solid, the paint is good, it has a very nice Alpine HU with built in iPod connector, the car does not leak a single drop of oil or tranny fluid...etc...etc...etc...

So even if I sold it, I would never get what the car is worth.

PLUS I really, really, really like the car.

So, I will take it to Enrique and see if he can find more wires that ar fried. May even try to buy a new wiring harness (if I get a good price) or a used one.

I will hang on to the car as a daily driver (I don't care if the car stalls while I am driving, I just don't want it to stall while my daughter is driving in So. California traffic). If we can get the stalling issue resolved (and I am not in any hurry) I will let my son have the car. He likes it and he has a few more years before he gets his license so the situation is just perfect.

In the meantime we have bought my daughter a certified 2002 C320 wagon. The car is awesome, it runs fast and it is so smooth...I could like it better than my current E320!

In the meantime, if ANYONE at all has come up with a solution to this annoying problem...please post it here....

250 Coupe · #28 10-20-2005, 03:39 AM

Here are two more off the wall ideas.
Fords of that era had an impact switch that shut off the fuel pump in case of an accident. Did MB use something like this?
Or maybe a check of the oil pressure and shut off the fuel if it drops below a certain value?

Keep in mind I've never owned anything but 114s

Michael