MorbidBarbie

I purchased a gallon, put it in, but when I read the owners manual, it said it holds 10+ liters or 3 gallons. I also don't know where to fill it to, as there is no fill line. Could anyone offer me pointers? Thanks in advance!

deedm3n1odfff

FWIW, I just did a coolant flush on my W202 today. A gallon of coolant did the job, I burped the hoses once the reservoir was half full, at which point I burped the hoses and ran the heater a while, then checked the level, which was fine.

coors2003

so how did you burp the hoses

deedm3n1odfff

Just grab the hoses after the reservoir looks full, and give them a good squeeze or two- that sends air bubbles out into the reservoir. Just don't do it when the hoses are hot!

coors2003

yea hot lines would be bad lol, i replaced my radiator and it took about a gallon and a half, but seems like it runs warm on certain days

deedm3n1odfff

Hmmm how many miles on it? The first thing that comes to mind is the thermostat.

coors2003

it runs between half and in between half and 3/4 but no higher than that

deedm3n1odfff

How many miles on the car? Thermostats don't last forever, no matter what MB might say... On my vehicle, for example, they say to inflate the tires below the tire maker's specs, and that the transmission fluid never needs to be changed. MB engineers are wrong on two very serious counts there. More to follow as I learn more about the car.

coors2003

128k

deedm3n1odfff

Did you do the coolant flush yet? If that doesn't solve the heating issue, I'd think about the thermostat.

coors2003

i put a new radiator so yae it got new coolant, i can sit at idle and stay at half it never goes up to 3/4

deedm3n1odfff

The mechanic who taught me everything I know about cooling engines said you always want the temp around halfway... so FWIW, I'd say you're ok unless there is some special MB temperature, but I've been following the halfway rule for years now, no problems yet.