Could it be that the multirib belt slipping becuse the AC got the protection fuel saftey shut off otherwise look into the klima relay and try to heat it up with hot air to se if the problems occur when the car is not warmed up if there is some soldering is in bad shape, in the relay is the fuel shut off function.

On my car this can happen with or without the AC working. Where is this relay located and can it shut off the fuel without the AC engaged?

If so, maybe it would be easier to put some ice on it when the LHM appears next time? Or just check and resolder anyway...

It`s in back of the battery behind the plastic cover it's a black relay 6zyl/klima stands on the top of the relay when the relay is the problem the car stop completly but check it out anyway sometimes things can happen that should not happen,

do you got the cruise control?(tempomat) what are the rpm on the tachometer when this thing happens if the rpm are 1500 it could be the cruise control Idle speed control acutator

Yes I have cruise control. The limp mode can start at any speed, often after just idling at a traffic light, or as I described, when overtaking at high revs.

Today I was lucky, driving 650 km nonstop in 28°C with no problems, but if I go out and start the car now after an hours rest it will most likely be in limp mode again...

To find out if the cruise control is a part of this, can I remove a fuse or what?

Edit: I did just that, restarted the car, it was in limp mode now, removed the fuse, no success...

We're still working on this car.

Agreeing with AMG, the "throttle surging" is probably actually the "cutoff" that we experience when attempting to accelerate. It feels like throttle surging when the power comes on and off rapidly. The limp-mode cuts power at 1500 rpm and then allows power again at about 1200, so, with your foot on the gas, it bucks around on and off and feels like surging.

We've done a lot of other research. We're thinking it's the Throttle actuator and the throttle actuator wiring harness. Harness is ordered from Germany (about $100)

We're going to send the unit to Beckman. They will test the Actuator for $80... which they will apply to rebuild cost if it's bad. (rebuild is about $1000 compared to a new MB unit at $2000+)

Incidently, mine occurred several times on 90 degree days, but happened most recently when it was only 75 outside. Raised the hood for 5 minutes, and it started right up again -- no problem.

Thanks for the update. You may be on the right track, hope youŽll find the exact problem since it must be just a minor thing in reality. Although it can be expensive nevertheless!

I gave up and bought myself a G500 and will take care of the CE later...

Please continue to post on your progress!

If you go to www.4mercedes.com a rebuilt will cost you $400.00. Thats where I got mine and its been great ever since!!

Chris

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94 E320 with:
18" ///AMG Monoblock II's,AMG Gen II front bumper, H&R spings,500E sway bar, Bilstein sports, Eisemann Exhst, K&N,E500 Headlamps, Crystal Clear Corners, Avantgard Grill ...and more stuff to come! oh yeah 241k miles!!


My Car WOO HOO...... Now SOLD
New car.... 2001 Jaguar XJR!!!!