1990 Mercedes-Benz 300D Q&A

1990 Mercedes-Benz 300D Question: 1980 300D car only goes 5 mph when steping on the gas pedal

The car lost power when driving and was only going 5 mph. What may this be? -
Answer 1
Have exhaust checked for back pressure probs. Have fuel pressure and volume checked. Have all this done at qualified shop. -