Sorry, I should have added that. The vehicle does have a brand new OEM water pump and also new thermostat replaced before the radiator was touched. The cooling system has also been fully topped off and there is no air in it.

There's no overheating, it's just running a little warmer at highway speeds due to the less quality part. I just want to know if you guys recommend getting a $800CAD BEHR in there? I'm willing to pay for quality and should have thought about this when buying the aftermarket part.

__________________
1976 Mercedes 240D (Sold)
1985 Mercedes 300D Turbo Diesel: 500,000KM
1986 Mercedes 300E (Sold)
1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
2008 Mercedes C350 4matic

A great site for purchasing industrial rubber products!

Industrial Rubber