HELP… I put gas in my diesel!

Sometimes owners make the mistake of putting gas in their diesel.    A number of owners have told me their dealer charged them $20000 to fix the fuel system.   Dealers even replace the fuel tank.   This is outrageous.
There are several ways of dealing with this problem & spending $20000 is not one […]

BlueTec Diesel Oil

People keep calling me wanting to know what’s the best oil for a Mercedes-Benz BlueTec diesel. They don’t want a long explanation, “just tell me the best oil?”  If you don’t want to actually understand the problem, use Redline 15W/40 diesel oil.
For those of you that want to understand this problem, keep reading.  The […]

Breaking-in a new BlueTec diesel

It’s to bad Mercedes-Benz didn’t use Break-in oil in their BlueTec diesels.   If they had, the piston rings would have formed a perfect seal with the cylinder walls.  BlueTec diesel’s run much higher compression than earlier diesels or gas engines.  BlueTec diesel’s have abnormally high levels of fuel dilution.  Piston rings with the […]

Diesel Particulate Filters and Catalytic Converters

How fragile is the DPF and Catalytic Converter?
DPFs and Catalytic Converters have been around for decades.  When it comes to the final cleanup of what goes out the tail pipe the DPF and Catalytic Converters do the heavy lifting.

For years the EPA has passed all sorts of regulations to make their lives easier.  One […]