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Outstanding Contributor W221 Moderator
2010 E350 P1/P2, 2008 S550 Designo, 2002 ML320
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2,076 Posts
It's Blue. Green has not been a good coolant for Mercedes engines since the 80s. Coolant spec is 325.0 for this configuration (M273 engine in W221 chassis). From the Bevo site Bevo 325.0 Coolant Spec. Many choices on there, Zerex G48 may be the easiest one to find locally, but not sure where you are located.

As for the amount, it depends on your car. Please take a moment to fill out your info in your profile (cars owned, general location), it will help provide more specific answers. :)

This is from the Operator's manual of my 2008 S550, could be the same for yours or very similar, 2008 Operators Manual attached for convenience.

2651830
 

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Discussion Starter #3
Thanks
~3.5 Gallons of: BQ 1 03 0004
The least expensive I found was at AutohausAZ (27.99/g)


For the profile,
How do I change my screen name?
Thanks again.
 

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Outstanding Contributor W221 Moderator
2010 E350 P1/P2, 2008 S550 Designo, 2002 ML320
Joined
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2,076 Posts
Ah so the part you reference above is full strength, needs dilution 50/50 with distilled water. Here's a LOOONG thread on it. So you'll need 1/2 the amount in coolant, half in distilled water.


I'll have to check on the screen name change, not sure.
 
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