Originally Posted by
onehundred80
DEX-COOL has had many complaints about clogging the system and is no longer used by GM. Anyone who is using it should drain it and flush well and use ZEREX G-05 (yellow) or the Mercedes recommended coolant (blue) instead which are the recommended coolant type for these cars. The formulation is made for the job and DEX-COOL is not as it is the wrong type.
Save money now on the wrong coolant and the cars cooling system will clog and corrode, your choice.
I'm not using Dex-Cool.......
Jared