Schoene guten Tag an alle CLK 208.
Good morning to everybody,
I’m writing because I really need help in order to solve a problem that since some months is sadly stressing me an my dear CLK (200 Kompressor W208 Serie) Year 7 / 1999.
Basically more days are passing more the issue is going in evidence.
My W208series car has currently ca. 135.000Km.. and was less used just because since the apr. 2008 this was my alternative car after work. (I had a private company car).
Trying to summarize the TOPICS of the ISSUE:
Basically when the engine is cold (turning on for the start up), the motor starts giving a lot of sneezes and/or sobs for ca. 2 ,3, 4 minutes and is possible to feel it, because all the body of the car is shaking.
And this until basically the motor hasn’t warmed up a bit means reaches ca. 50 degrees C.
Now that is summer time, the symptoms are a little bit less.
When the weather is cold outside or when my car stays not in the garage or is winter time (degree 0 C) the sneezes an/or sobs are terrible and more evident and this frustrate for more then 5 minutes.
This is clear because are required more minutes to warm up. (Influence of the outside temperature).
The more is the cold, the more is the required time to reduce the amounts of sneezes and sobs.
Sometimes seems that something of the issue has to do with electric.
Looks like as the power is not arriving properly somewhere. But I don’t really know….if is…
After all this info, then, the engine runs like having 3 Cylinders instead of 4.
So before to bring the car to the official DC / MB Service Centre because (personally I do not trust them) I brought my to usually trusted, workshop auto centre.
So (in order to try to solve the issue) basically we followed the below listed steps.
1 – A couple of weeks ago changed the Candles. (Mounted the Bosch).
Results: For ca. 300 – 400 Km. the engine wents perfect and well.
After the a.m. mentioned km the issue came out again slowly and slightly.
And every day with more evidence. Finally after ca 2000 km same point as before…sneeze and sobs.
2 – 1500 km. ago changed the Mass flow sensor. But at the end same final result as in Point 1 !!!!
3 – Because this was a work to do (means in queue), changed the Lambda Sensor Probe. But also this time the issue didn’t disappear.
4 - Ca. 3000 km ago, in order to try to solve the issue my workshop suggested to clean the injector with Ultrasonic rays.
Results: basically no change. No difference.
5 – One year ago (and in order to try to solve the problem) changed the cables that are going to the candles (the ones that are going to the 2 Coils).
Result not big change only a very slight difference.
So finally at the end we had no chance and decided (against my aim) to go to the official DC – Mercedes workshop and asking them to make a check / diagnosis and leaving them at the same time, a copy of the followed steps (similar to this document)
(This is clear in order to give them a trace of the already done actions).
After one week the called me and they reported me that to solve the problem there were to follow these steps:
Part Remarks
(1) Change (again) the candels ---------Ehhhhh! ---- > But this was already done (by myself some just weeks ago) !!!
(2) Change (again ) the Mass flow sensor -----Ehhhhh!-- > But this was already done (by myself njust some weeks ago)!!!!!!!
(3) Change all the set of the electric cables of the engine --- > this Because they say …there is a leakage ..!!
But where is it ??? Never seen any leakage and/or traces on the ground in my garage. Years and years everything completely and perfectly CLEAN!
(4) (They said) Maybe change the magnet variator (the one located up and in the front of the engine).--- again…they said Maybe .. ? (Ehhh??? Maybe ???)
All the proposed actions gave me the clear impression that they didn’t read the left report (mines) and that they still do not really know what can be the problem. I had the sensation that they were just going with trials.
So now for another time my DC Workshops has lost my trust.
Now is understandable that I cannot go so on with my car.
I really need to have solved the problem.
So I kindly ask, is there maybe someone that had similar experience or heard something or can help me about ?
Any kind of suggestion?
Thank you a lot for you kind attention and support
If there some doubts please do not hesitate to contact me.
Cheers
Claude
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Vielen Dank