testknight

I replaced my water pump over the weekend (seized pulley damaged it) and my last step was to fill the antifreeze back up. Well, per everything I read I went with the OEM MB antifreeze, but when I opened it, I saw it was orange/yellow and not the green color I removed from the car.

Well I chose not to use the MB coolant as I didn't want to mix the two (as I didn't do a complete flush just drained it) and just refilled it with what I drained out of it (green) and water. I'll do a complete flush/fill later with the

So what's up? You guys think I should be cocnerned about this green coolant have been put in there in the first place? The car had a water pump replaced already at the shop so they would have filled it up back on October.

blackbenzz

Green coolant is generic coolant. Flush the system and put MB (orange) coolant back in. The MB coolant is organic

JonMBZ

Flush it normal coolant is too harsh on the internals.

320 dreamer

color doesnt matter!! you need hoat coolant zerex g 50 or m/b brand coolant

TemjinX2

+1

testknight

Funny thing is that the shop (Eurocharged) charged me for OEM MB coolant...its even on my invoice....

ruben65

In the past few Mercedes I've had it has been a clear blue color, and the same clear blue color when I have the dealership change it.

I don't think the color means much as long as you are putting the correct one in, I would stick with factory OEM fluids as they are proven and spec for that application.

I just checked mine in the garage and it is that same clear blue color.

JonMBZ

I doubt Eurocharge is using non oe coolant. I think the correct color is reddish orange. I am kind of color blind so I have no idea myself, but I am going by what I was told. Also the blue coolant comes from Germany and is not available in the states.

Panzerknacker

Orange coolant can corrode the radiators designed for green coolant. Yellow can be used in place of green.

http://www.caranddriver.com/features...freeze_-column

or

http://www.popularmechanics.com/how_...e/1272436.html

So we can conclude that color does matter. Which makes if some of the victoms of glycol in the tranny thought they were being clever switching from green to orange... If the radiators in these cars were not designed for organic acid coolants, orange is doing more harm than good. I get the feeling that the blue coolant that came in the car in the first place was not organic acid. Unfortunately I dont have my owners manual so I can't look up the requirements but if its not made for orange dont use it cause "its better"

mikekuriger

also, never mix orange and green coolant. as i'm sure you know based on your O.P., mixing the 2 will turn into a clumpy gunky mess.

gt4awd

I used MB coolant, but I also added Red Line's Water Wetter. Anyone know if that stuff is safe in our coolant systems?

testknight

Unless OEM coolant is green (it isn't) they used non oe coolant. The invoice actually says 'mercedes coolant' , but at 18.95 a gallon (2 gals) I would expoect that it should have been oem antifreeze.

blackbenzz

Do you want me to go home and take a pic of the MB coolant in the MB container from the dealer? It is orange! I am saying to use the MB coolant, which happens to be orange. I'm not saying that you should use orange coolant because it is orange

JonMBZ

You should contact Eurocharged and ask what the deal is, maybe they will flush it for you and put the correct fluid in.

Panzerknacker

What im getting at is dong just just go to autozone and use the neon orange stuff thats designed for GM, Ford and VW/Audi cars thinking its better cause its orange. There is a lot of other variations and I am sure the MB stuff is not wrong.

chargedC32

so... what's the verdict? i have an 03 C32.. had clearish/orangish/pinkish radiator fluid...did a flush at the mechanic, now its green...

Lenin

Be safe and get the MB fluid. Tell the mechanic to change it to spec. You don;t want to have problems with your radiator and the intercooler (the part under the supercharge).

chargedC32

well, how do i know he didn't put the right coolant?
how do i know the coolant that was in there before was the correct one?

I need a way to proof that he put the wrong type before I ask him to change it...

Lenin

Well... If it's green, it's not from MB. You are on your own with the other two questions.

91RS

You either need to get real MB coolant or Zerex G05. Do not use Dexcool either as it is not designed for these cars.

chargedC32

ok so any ideas how to figure out if the coolant in my car is real MB fluid, or another fluid that is designed for the C32...

looking at my receipts, they used part # 000 043 301 05 ($26.95)