Skripsi ini membahas kesalahan pelafalan kata-kata bahasa Jerman yang mengandung huruf ( S ) dan kalimat yang di dalamnya terdapat kata-kata tersebut. Selain itu, juga dibahas interferensi yang muncul berdasarkan teori Weinreich dan Ternes. Penelitian ini adalah penelitian kualitatif dengan mendeskripsikan kesalahan pelafalan dan interferensi. Sumber data berasal dari mahasiswa Program Studi Jerman semester satu tahun ajaran 2008/2009. Berdasarkan penelitian ini sebagian besar kesalahan pelafalan terjadi pada pelafalan kata-kata bahasa Jerman yang mengandung huruf ( S ) di awal kata dan terdapat tiga jenis interferensi yang muncul. Hasil penelitian ini menyarankan agar mahasiswa lebih sering mendengarkan dan berlatih pengucapan bahasa Jerman, serta mereka juga dapat menggunakan laboratorium bahasa di fakultas.

---

The focuses of this study are the error of pronunciation of Germany's words which contain ( S ) and the error of sentence which contains word with consonant ( S ). Besides that, the research is also discussed on the interference's pronunciation that is based on Weinreich and Ternes's theory. The purposes of this study are not only describes the error of pronunciation but also describes the error of interference on first semester students of Germany's program at University of Indonesia in academic year 2008/2009. The results are; firstly most of students made an error of prefix pronunciation of Germany's word and the last is there are three interferences phenomena on it. According to the research, especially for the first semesters students, suggested to listen and practice the Germany's pronunciation frequently not only during the class but also using the language laboratory facilities on faculty.