How to Change the Oil in a 1976 Mercedes 300D?

Answer Keeping your 1976 Mercedes 300D in proper working condition requires regularly scheduled maintenance such as oil and filter changes. The Mercedes 300D owner's manual suggests a 5w-20 or 5w-30 oil f... Read More »

Top Q&A For: How to Change the Oil in a 1976 Mercedes 300D

How to Remove the EGR on a Mercedes 300D?

Mounted to the intake manifold on the back of the Mercedes 300D engine, the EGR valve is responsible for recirculating any exhaust fumes back through the engine to be burned a second time before be... Read More »

How to Add Transmission Fluid to a Mercedes 300D?

Transmission fluid is one of your car's most essential consumable liquids, because it is the fluid that keeps all of the moving transmission parts from wearing out prematurely due to heat and frict... Read More »

Can I use biodiesel in a 1978 Mercedes 300D?

Although Mercedes-Benz's official position is that only B5, which is five-percent biodiesel, can be used in their cars, many people have successfully run not only B20 but even B100, which is 100-pe... Read More »

What is the fuel mileage of a Mercedes 300D?

The 300D was a five-cylinder compact car produced by Mercedes-Benz in the 1980's. It had a combined fuel economy of 21 MPG, averaging 19 MPG in cities and 23 MPG on the highway.References:Fuelecon... Read More »