I have a 2001 s430 making grinding noise from upfront engine or tires ?

What is your question?

so i bought this s430 2001 benz , so i finally deciede to take it for a drive so i went about 2 hour away from my home on my way back my car sounded like it was making a grinding noise coming from the engine . or upfront from the tires hard to explain. sounds almost as if plastic is scraping agianst the ground . hard to explain. i check oil ,water,majority of the common sence stuff please help if possable!