The S-Bahn platforms are located inside the station itself (platforms 3 and 4, going eastwards to Barmbek, Harburg and Bergedorf) and in a separate tunnel, adjacent to the station building (platforms 1 and 2, going westwards to Altona, Wedel and Eidelstedt).
ðɪ ˈɛsbˈɑːn plˈætfɔːɹmz ɑːɹ loʊkˈeɪɾᵻd ɪnsˈaɪd ðə stˈeɪʃən ɪtsˈɛlf plˈætfɔːɹmz θɹˈiː ænd fˈoːɹ, ɡˌoʊɪŋ ˈiːstwɚdz tə bˈɑːɹmbɛk, hˈɑːɹbɜːɡ ænd bˈɜːdʒɪdˌoːɹf ænd ɪn ɐ sˈɛpɹət tˈʌnəl, ɐdʒˈeɪsənt tə ðə stˈeɪʃən bˈɪldɪŋ plˈætfɔːɹmz wˈʌn ænd tˈuː, ɡˌoʊɪŋ wˈɛstwɚdz tʊ æltˈoʊnə, wˈɛdəl ænd ˈaɪdɪlstˌɛt.