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These are the viscosity readings - I haven't a scooby about if in spec or not

HI Steve, would there be any benefit using Tunap as I change oil every 8k? Also Millers suggested I change oil from 5W30 to 5W40 due to the "extra protection" this may offer. Have you any experience of this? Thanks for you help

Out of curiosity, I sent off a sample of my engine oil to millers oils. I was curious to find out if my oil changes every 8k has made any difference to the wear inside the engine. I have been changing the oil every 8k since ownership back in Sept 2016 when the car was on 68k. The current mileage...

Sorry no, but the company linked above will be able to tell you

I fitted this last June - https://www.iceboxauto.com/mercedes-benz-e-class-w207-w212-gps-bluetooth-wifi-android-carplay-youtube-netflix In a W212. I opted for a bigger screen after there was an issue with the smaller screen. It really does bring the interior up to date. I mainly use it for Waze...

Alex Crow looked at the car yesterday and gave the EGR a good clean and refitted and tested - just about passed all tests with some very slight sticking. Recommended a change at some point with an MB part - currently unobtainable on backorder since last year. However, the car is running better...

Thanks, I replaced it with an aftermarket - Lucas brand which did not work as expected so currently have the original MB EGR back in place. I didn't clean it as it was not as bad as I expected and I bought the new one. In hindsight I should have cleaned it whilst it was off! Car is going into...

Will do - It looks like I have a coolant leak somewhere too

Ok, just did a quick scan and all original codes have returned:confused: Going in to Alex Crow on Weds.

I did change it before putting on the Lucas EGR valve.

I am now wondering if the original issue was caused by the exhaust back pressure sensor which literally fell apart when I touched it due to the brittle plastic housing? Could this cause the codes indicating egr stuck?

Original MB EGR valve refitted and car collected today. Actually drove really well. Keeping my fingers crossed for now..

Well MB indie had a look today and concluded the new EGR valve is not working as it should - something about opening at 9% instead of 5% ( I think) He also needs to eliminate potential MAF sensor faults. Did smoke test and no leaks. Going to look at the MB egr which I removed to see if it was...

CEL on today - codes mostly related to stuck open/closed EGR valve. Cleared codes and went for a spirited drive in sport mode and car ran fine - no power restrictions and no CEL. I think the MB tech when test driving may have done the same as he said it drove ok with no loss of power, but just...

Thanks supernoodle - the tech didn't mention if the values were too high or too low, and was indeed referring to blockage on the exhaust side of cooler. The car is due a B service with additional filters which I have already - is it worth changing the air filters to see if this makes any...

MB tech came out and test drove it. Did not generate any codes. Diagnostics came up with "air mass values out of range at 20-40% open. mass air flow sensors passed test. He suggested a smoke test on the air intake to check for leaks and to check the EGR cooling system. I have driven the car...

I'll let MB assist shed some more light on it tmrw.

Now i have seen that the coolant needs topping up - topped up with 500mls of water yesterday, now needs at least that again.

Ok, thanks for the feedback - Alex C did mention possible swirl flap issue when I discussed the EGR fault codes and said there is a workaround for it if needed. He's on his own for the next couple of weeks so unable to look at it. Would the car be ok if I still drive it in this limp mode. Is it...