Marketing Trainee applicants have rated the interview process at Merck KGaA with 5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 62.7% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
First round interview with professional HR interview. The second round was the assessment center (4 participants in total) which took place 2 full days with couple interviews, case study, and presentation.