Burning oil at 150,000?
Right at around 150,000 miles I started getting the "check oil at next refuel" warning light.
I just had the big water pump and front gasket and line job done, so the mechanic checked to make sure there were no leaks. clean as a whistle. he says burning oil for a car with that many miles is normal, due to the turbos.
I've serviced the car at the dealer from day one when the car told me it needed service.
Just isn't sitting right.
as Germans (alongside the evil rich from Britain and a certain religion) are the main contributor to the worlds issues (using the USA and the positive attitude to deliver the plan). These criminals picked up on the dilemma many years back and Mercedes started on the make them die plan with their vehicles from 1990 and since spend most of their R&D budget on finessing the time to death
this sick designed in obsolescence currently allows for increased car sales - all the governments are in on the act - once they have stolen all your money you get the treat currently being tested out on Gazans




With high mileage engines the blow by gets bigger and it is normal for high mileage engines to burn more oil ant the only good fix is re-building the engine.
But 150000 miles should not mean engine burns lots if oil. I have a 2010 E550 with almist 190000 miles and it does not burn any oil between oil changes that I do every 5000 miles.
The cheap medicine for controlling oil usage is to use thicker oil. I use the recommended Mobil 0W-40 if available. Last time I bought 5W-40, which is also approved by MB.
I do not know MB pcv system but in my older cars it was just a rubber hose with a spring loaded valve that connected crank case to the engine air intake.
latter 221 had the 278 v8, which apparently is an unreliable bag of rubbish
as I eluded too in earlier posts
the time to death is speeding up rapidly - its why the rich people lease it and fiddle the tax man, the super rich for 2 years, less well off, 3 years and the ones who think they are rich for 4 years (but those last ones end up paying a lot in servicing) - most of those will have few issues - then the junk is peddled on to the poor to get them further in debt...
.
Last edited by BOTUS; Jun 10, 2024 at 05:00 AM.
At 157,000 will going to a heavier oil like the 5w-40 help, or cause another problem?
I just had to have a spark plug and coil replaced and my mechanic said the plug was "pretty fouled."
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high miles, cheap fuel, short trips, and too gentle on the throttle (once fully warmed up after a 10 mile drive) and plated bores stop working and they burn oil
The Best of Mercedes & AMG
this criminal idea of ethanol infected fuel is horrible - a well renowned high performance bike shop near me was telling me they believe modern fuel is on a downward spiral after just 28 days sitting, and is usually delivered to the cheaper outlets around the three week mark from the refinery
all 5 vehicles I run have seen at least 20% increase in fuel consumption since ethanol infected filth became mandatory - if you do the maths it has to be at least 6% worse as ethanol's energy density is much lower - but to get at bad as the 20% I see, they must have created some other magic - of course for them less is more
Last edited by BOTUS; Sep 10, 2024 at 03:30 AM.
its more the exercise they need not a steady 2.5k rpm - get them hot, rip the daylights out of it at least once a week
I'm the happy owner of a S500 with the M278 with 410.000 kilometres, all original - the engine uses between 0.6/0.8 liter oil pr 1500 kilometres.
So nothing to worry about.




https://mbworld.org/forums/e-class-w...en-passed.html
Simultaneously a group on another forum start looking. Into a somewhat similar topic.
https://mbworld.org/forums/w212-amg/...solenoids.html
Once the 2 connected it has greatly expanded and the second link seems to have continued the trials and experience report backs.
Long reads but a lot of good information surrounding your topic and related issues.
While it starts talking about the M276 it is also applicable to the V8 engines such as the M278 and others.
Hope this helps.
oil pressure is helpful to get the oil round, keep it circulating quickly for cooling (which is why high performance car's squirt on the piston crown and it gets all over the bores - which is where the oil control rings gets rid back to the sump - ONLY WHERE THE OIL IS LIGHT ENOUGH GRADE FOR THEM TO COPE AT HIGH REVS - AKA the 5W30 the Manu says to use - not 40 grade treacle)... and of course, that pressure is to maintain the film on shell bearings, so under high load, high rev conditions the white metal isn't degrading
Right at around 150,000 miles I started getting the "check oil at next refuel" warning light.
I just had the big water pump and front gasket and line job done, so the mechanic checked to make sure there were no leaks. clean as a whistle. he says burning oil for a car with that many miles is normal, due to the turbos.
I've serviced the car at the dealer from day one when the car told me it needed service.
Just isn't sitting right.
at least 10 miles to get it fully warned up - then around 20 minutes (with breaks in between to cool down) but some decent full chat blasts over 4 to 6k rpm for 15 seconds at a time - basally a 15 mile rally stage like you stole it - that's the Italian way, not a cruise at 120 with the roof down
Stem seals just don’t happen to speak of.
As Botus accurately points out.... They need a proper Italian tune up more than weekly. The bent 12 in my first S-65 burned a fair amount of oil the first year I owned it. I figure an octogenarian owned it before me and never hammered on it. I hammered on it and changed oil regularly. Consumption dropped from a liter every 2-3 tanks of gas to a liter between oil changes. Ran great right up it spitting a main bearing shell into the chains.
Warmed up means thermostat open and oil temp to 80C.
Last edited by JohnLane; Sep 27, 2024 at 10:42 PM.





