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PointedThree :  Sedan Forums : W210 E Class : Photo DIY- Coolant Service

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Photo DIY- Coolant Service
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Author
Posted 5/3/2009 5:41 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Photo DIY- Coolant Service

Greets,

I know the Manual specifies "Change Coolant Every 3 years", my overly anal schedule is every "TWO" years. My friend who is the lead tech at one of the largest dealerships in the USA does this schedule on his own vehicles.

Plus, the horribly hot and humid conditions where I live keeps me on the overly compulsive schedule, along with ANNUAL brake fluid changes.

The following procedure is straight out of the WIS. Yes, I know "alot" of people will ding me for going through all the hassle to drain the two Crankcase drains, but this is MY REASONING:

With the common "flush with fresh water" technique, how in the heck do you get the concentration correct??? You have so much "trapped" water within the block, how do you calculate how much "straight" Coolant to add.... I don't know... I guess it is the scientist in me that requires things to be exact...

With the WIS method, you will ALWAYS have the correct concentration, even "if" there is a little residual in the system (ie. heater core)

A few words of caution: Be EXTREMELY careful when opening the reservoir cap- Only remove when less than 90C. Also, where a face splash shield, clothing protection, and, of course, gloves.



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#150070
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Author
Posted 6/6/2009 5:13 PM
storm

Date registered: Dec 1899
Location:
Vehicle(s):
Re: Photo DIY- Coolant Service

once again,
YOU
ARE
THE
MAN!!

link added to the DIY/FAQ page,... keep up the sterling DIY's buddy.
#151965 - in reply to #150070
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Author
Posted 1/26/2010 9:52 AM
umut

Date registered: Dec 1899
Location:
Vehicle(s):
RE: Photo DIY- Coolant Service

Thanks for the great pictorial G.

I have replaced the coolant in my W210 with M112 (E240) 2 months ago but i was not able to locate the block drains altought i was pretty shure they exist. (it was way more easy on the M111). I used the Mobil "advanced" antifreeze (one of the orange stuff sold here) After seeing this post i think I'm going to to it again next weekend with the proper Mercedes antifreeze (i have the number 000 989 08 25 somebody correct me if i'm wrong). Since i have to replace my t-stat,( the car needs 30 to 40 minutes of city driving to get to 80 mark i think it's the t-stat) i will need to drain the coolant anyway. And this time i sure will drain the block and use the proper MB stuff.

Thanks again
#164798 - in reply to #150070
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