Diabolis

Would you please show me where does AMG state to use 5W40 instead of the 0W40 in the M156?

Razzy

In some manuals. I know I spoke to a AMG specialist and MB updated their manuals with 5w40 as opposed to 0w40 which they used to use prior.

Diabolis

All the C63 manuals I have ever seen (inlcuding the ones for the 2014 cars) as well as the most current BEVO spec sheet specify using either 0W40 or 5W40. In fact, the 5W40 Formula M that the dealers are now putting in the North American cars is actually not approved for use on those same cars in North America. The reason is not the lifter bleed-off (although thicker oil would drain a bit more slowly, but then again it would also take longer to reach those places at startup), but rather meeting emission standards. The Mobil 1 0W40 is still the preferred (and in NA the only approved) oil for the M156. It also happens to be better for your engine, but I've already beaten that decomposing horse carcass long enough.

If you've got lifter ticking noise, your lifters are worn. Period. The thicker oil is just going to mask the symptoms a little longer.

Again, I would really love to see a single MB-issued manual or document that says "use 5W40 instead of 0W40" in the M156.

rentzington

taken it in yet? On cold starts I hear a tapping from the engine but i cant hear it if the hood is closed so i'm not overly concerned but will likely have someone check before the warranty is out

as to the ticking after its off like others said and your tech said thats just the exhaust cooling off.

ToXicXxX

On cold starts it's just the lifters pressuring up, takes a few seconds.

OP, you don't have headers do you? Because if you do you can hear unburnt petrol impacting the headers and making a clicking sound, it's prominent on large engines.

Merc63

On the private lounge this was brought up and they said to use 5w40.

This oil topic has been beaten to death on here and it's the same replies... AMG guys told us use 5w40.

Ingenieur

Mobil 0W40 is used in many race applications
It is not 'thinner' than other 40 weights, in fact measured viscosity is actually 'thicker' than some, look at the data sheets
Viscosity 100 deg C
Mobil 1 0w40 13.5
Mobil 1 formula M 5w40 13.4
At 302 deg F the mobil 1 0w40 has a higher viscosity than the motul 8100 5w40

Most wear occurs at cold start-up so the 0 is better than the 5. They are the same when hot and perform equally no matter how 'hard' you drive the car. Lol

Ingenieur

The current bevo oil chart issued last month specs 0w40 or 5w40 with ONLY 229.5 spec for RoW except western europe

Updated 09/2014
Afaik the only actually approved, not 'meets' or recommended oil is mobil 0w40?

http://bevo.mercedes-benz.com/d/d/en/Spec_223_2.pdf

Approved 229.5 oils
http://bevo.mercedes-benz.com/bevolisten/229.5_en.html

Diabolis

I am on the PL - and again, I still have to find a sigle post that says 5W40 is the better oil for the M156 engine. Furthermore, everythign that Ingenieur said in the two previous posts is true. Mobil 1 0W40 is also better not just in terms of viscosity put also in terms of the additive package than the Motul 8100 series. Sorry to disappoint you, but as I said, you're just masking the symptoms with the thicker oil. The lifters are worn.


Again - can you please post a single URL from the PL or elsewhere where an official AMG rep has said to use the 5W40 over the 0W40?

tpliquid

So I got this ticking noise 3 times already. Always when I leave car for a week or so. Lasts for about 7 minutes.

Should I bring it in for the warranty work or just don't worry about it. And drive it every day?

tasho3

The ticking sound after you turn off the car is def. coming from exhaust. I get it all the time when I beat on it and specially on hot days. Put your ears closer to the exhasust and you'll see.

The tapping tick from the engine I also get but only when I beat on my car and park it and turn it off right away. If you let your car run for few mins after you beat on it and then turn it off there will be no ticking when you start it up. The ticking goes away. Ran in past few advisors and they both told me it's common and most likely due to a lifter being stuck. I am not worried about it.

m a x i m u s

If you have warranty, just take it in. What do you have to lose? At least you'll get it documented.

m a x i m u s

Incidentally, I had the ticking a few times last year. Dealer ended up replacing all the tappets under warranty. Hasn't happened again since.

kkelis

Im getting a strange noise when engine is hot on a 2016 G63 AMG with under 10,000 KM on the clock.

It comes on and off only when the engine is reached maximum temperature.

Im attaching a video with the sound, I have uploaded it to dropbox.

https://www.dropbox.com/s/38l6k2guq2...44080.mp4?dl=0

Any suggestions/recommendations advice would be of maximum help.

Thanks a lot in advance.

Diabolis

kkelis - this is the W204 C63 forum and a year-old thread to boot that deals with valve lifter issues in the M156 engine. You may have more luck in getting an answer in a G-Wagen forum or other vehicles that use the M157 motor. Read the board FAQ.

The ticking in the video is the fuel injectors and perfectly normal. If you're talking about the "wowowo" sound that comes and goes, it could be any number of causes - but it is extrememly unlikely that you'll get an answer here. Ask in the relvant forums. Good luck.

ENVē

Switch to a heavier weight over 0w40. I stopped using Mobil 1 0w40

Diabolis

ENV^2 - if you had bothered to read the OP's post, you would realize that oil viscosity has abolusltely NOTHING to do with the issue he is having. First of all, he has a Geländewagen with a 5.5L biturbo M157, not a C63 - and furthermore I don't hear any valve lifter noise whatsoever in the video. The only ticking is the normal fuel injectors pulsing. The sound that he is asking about is somethign else... possibly something driven by the accessoty belt or some clutch trying to engage. Thicker oil is not the answer to all questions in the universe... 42 is.

ENVē

Understood. I figured C63 section would have c63 motor question. I couldn't listen to vid at work. Disregard my post then.

SuperFastYo

idk wtf is going on in this forum anymore. ENV you're supposed to over react and defend your previous post no matter what. & Diabolis... you werent condescending enough. Stop with them mature understanding of one another and get back to useless arguments!

ENVē

Hahaha well I am unfortunately selling mine so I don't have the willpower to argue in here. Plus I was wrong in this situation as I didn't even finish reading the post and thought I knew what I was talking about haha.

Diabolis

I MUST YELL THEN!!! AAAAAAAAWHWHWHAAAAAGRRRR!

Diabolis

The OP PM'd me a couple of times afterwards. Guy is in Cyprus - not many AMG service techs there.