EGR Valve in HFM type W124 E220 96

[Gyri]

Hi, does my w124 E220, 96 (petrol) have an EGR valve? (pardon my ignorance). If it does where is it located? The usual problem that plagues most W124s has been bothering me as well, engine stalling while coasting to a stop light, rpm hunting between 500 and 900, quarter second hesitation when stepping on accelerator after shifting gears. Had the car looked into by the Merc "specialist" (the authorised folks) and they went through it for 2 months with no luck or help to me.
We have checked the following (BTW car has done 40,000 KM).
1. OVP relay has been checked ok, it's the newer SIEMENS make.
2. Throttle body has been cleaned, although to begin with it bearly had any dirt.
3. All filters have been changed with all lubrication and coolants are fresh.
4. Got a new fuel pump on, although old pump has been working well, only with loud hissing.
5. Old thottle cable seemed weak and chipped, so had a new one installed.
6. My engine wiring harness was worn out and Mbenz had it re-insulated, not sure if they did a great job, so planning to order a new set, as soon as I can get the correct part no. for it. They have removed the sleeve where the part# is normally printed while re-insulating. I know where my next pay check is going!
7. New spark plugs. Ignition wiring looks good.
8. Injectors were cleaned recently.
From the various posts in this forum I figured somewhere that someone with similar problem squirted Wd-40 on to the piston in the EGR and got the problem sorted out (yup! as simple as that). I am hoping for such luck, as long as my car has an EGR :wink: (no laughing at my ignorance).
Also is there someplace that I am not looking into.

 

[Raad]

Stalling E220`

Hi

I have exactly the same problem as you. My E220 95 stalling when I am rolling and then braking. The weird thing is that it is worst in summer thatn winter. Did you get to solve your problem? Any ideas?

Thanks

 

[Techead53]

E220 Stalling, Wiring Harness Faults

Hi, I have a E220 TE 1993 AUG. I have had no problems with this car in 11 years, now it decides to be a right pig. I first had the stalling at lights and surges,I have had the AirMass sensor replaced as the ECu reported a fault in it, this didn't the car was there I found information on these faults and it looked very much like the problem that they have with the 300TE and 280TC that of the wiring harness. the wire becomes very brittle with the insulation braking down inside the harness due to heat from the engine over time. I mentioned this to the garage and they confirmed this to be the fault as after they moved the wiring the car now doesn't even run due to the insulation on the wires in the engine bay harness now shorting. The cost of the wiring harness is £382.00 , this is also a factory order as not a stock item,and Mercedes dealer said it require 5 hours to fit!!!! at a cost of £490 I now await the parts as I am going to fit it myself, in the mean time I am going to re-insulate the faulty wires. This car has been to a Mercedes main dealer every year for servicing. I am concerned that the level of knowledge at a Mercedes main dealer was so poor. I will post again as soon as I have completed my repair.
Techead53, I am a computer systems engineer and electronics engineer.