The work you do not only impacts the company you are helping, but the outcome can affect how they view your company and whether they will come back and ask for help again.
I am involved in both internal & external projects; this has helped me learn more about IR. Last but not the least, we have a great team culture. We share our learnings, work collaboratively & support each other.
Out of all the positions available at Mercedes-Benz, the Training Academy position was the most appealing as it offered a broad range of activities and responsibilities to help me build my overall business skills.
When I personally did internships it gave me a clear picture of what to expect, how things work practically and which field was I most interested in. Additionally, It also gives you an edge when applying for jobs.