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Hi guys. Its a long time since my firts post. I am still wondering if everything is ok. Sicne autum i have higher rpm all the time at 900rpm. Is it really normal? A/C is off but the rpm is still higher. I understand it js becasue of ptc but should it be turn on all the time despite the engine...

Hi guys I found the solution for the issue i mentioned before.The reason why led indicator turned on for a while was broken fuel temperature controller. I fixed it and now waiting for next procedure to check if everything is OK.

always refuel at the same station, besides, what could be the difference in the amount of fuel refilled depending on the dispenser? aprox. 0.5l mayby less. 0.5l by 700 km is a amount that doesnt really metters. i did it just in the way you wrote. have you checked yours?

Hi guys I noticed that the on board computer on my w204 model T om646 c200 shows false value of fuel consumption. One it shows 7.4L/100km but when I went to petrol station I tank 61 ON LITTERS which was 8.3 L/100km. Today I drove 222 km and the computer shows 5.9L but it burn exactly 15.51L...

I checked the led light when the rear window heating button is on. It lighted all the time so it is probably the attempt of dpf regeneration. When I will know more I will share with you

I find out why it is happens. Its because of the PTC heater. So everything is ok.

It doesnt affect any fault code. If you want to take a connection to rear window heating wire you need to plug it in the some place between rear sam and rear window because the electricity flows directly form fuse to relay and after that the fuse doepend on signal let the electricity flow to...

I will check it tomorrow but i think it will stay on for full time. But we will see.

I used wrong word. It,s not flashing ty0e led. Its constant. I plug it in the rear SAM. It's probably wokrs in the same way as yours. Because when I push rear window heating button it turns on and if I turn off the rear window heating the led light turn off as well. So I thing it work properlly...

Sorry for posting again. Itd like to ask you how long does a led light flash? Today i sam that mine turned mayby for a 30 sec? I dont know why? Mayby the dpf regeneration cant start?

Hi it's me again i'm still thinking about this and i'm wondering why is it that. I attached below short movie to show you exactly ha itp look like.

Ok thx a lot. I thougt thah maybe it is a dpf regeneration process but i instaled a red light as one of our forum membran but it didnt flashing then. So i thought i made sth wrong but now i know it's ok.

Hi. Recenty i have noticed that sometimes the idle rpm value are differnt. Once in the same circumstances( a/c turn off) rpm value are 750 another time 850 rpm. Today when i was driving to the shop the rpm was at 850 rpm and it was ranining.after i stopped I pushed off button to turn off...

Thx a lot. I will do it just like you. Im very curious why there is such a few information about the regeneration process for mercedes instead of many info for other cars. Iis such difficult to find any important information. Hope it will works in w204 as well. Thx again for your time.

Hi sorry for posting after such a long time but im wondering if the dpf regeneration runs in the same way in w204. I bought one a month ago and i,m looking for some dpf indicator solution. I found sth like that but cant find any info about this Grey electric relay function. So at the and...