Dear Syed, here are some of the awesome facts about mechanical engineer - 

• The “Traub,” is the rarest motorcycle in the world
• Hitler designed the prototype of Beetle design for Volkswagen
• Henry Ford was the 1st person who Introduced Weekends.
• Ferrari Engines are Musically Engineered
• Most new cars fake engine noise through speakers. They are quite silent otherwise.
• LAMBORGHINI Cars were a result of a Tractor Company Owner being insulted by the founder of FERRARI
• The first Lamborghini didn't even have an engine when they unveiled it.
• Crash tests were first carried out by Audi.
• The average car has 30,000 parts.
• 92% of all new sold cars in Brazil use ethanol as fuel, which is produced from sugar cane.
• Henry Ford made a car out of soybeans
• The inventor of the cruise control was blind
• The first car BMW produced only had 15 hp and only existed because of the Treaty of Versailles

So that were all facts. There are various other facts about mechanical engineering. 

All the best 

Hope this helps