You can tell this before an oil change. If you see blue smoke coming out the exhaust your engine is burning oil. If you're oil level is low and you have no oil leak your burning oil.
oily deposit on the spark plugs electrodes
spark plugs fouled with oil. blue smoke from tail pipe.
turn the car to acessary or trun the car on with out turning the egine over and then hold the trip oil located by the by were it tell the millage on the car the change oil will then flash
The oil change garage or Mercedes dealer has to reset the oil change light. The oil change light goes by the mileage on the car, tripping the light on at the factory recommended oil change intervals. The computer doesn't know you changed the oil in the car unless you tell it. Read your car owners manual.
check your engine oil if its low change it even if your car isn't due for a oil change. if your car is a standard make sure your not dogging your car out all the time or be sure your not burning your clutch out like most new stick drivers do. but just to make sure change all your fluids and use premium gas and use a fuel additive to help.
Yes. Blue.
It probably did not have an oil change in a long, long, time and all that smoke coming out was the sludge left inside burning. Add oil and then drive it to a repair station to change the oil and filter.
It is a chemical change.
Unless it is leaking or burning oil you should never have to add any. You should however change the oil regularly. Your owners manual will tell you when to change it.
The engine is burning oil
After 3,000 miles you should have your oil changed and I believe after the first 1,000 miles on a new car it should be changed. If you have a lot of miles on your vehicle it might start burning oil.
when changing the oil sometimes oil can be spilled on the engine block. as your engine heats up it causes this smell. it is completely normal