Ibn Al-Jawzi reports in his book, "Nawaasikh Al-Qur'aan" that a minority of scholars have stated that the Sunna can abrogate verses from the Quran. When those scholars were confronted with the evidence taken from 2:106 that the abrogator must be stronger or of equal strength as the abrogated, they replied that the words of the prophet, peace be upon him, qualify because God says,
This topic is to discuss this argument in principle and also to discuss the cases where such abrogation has been claimed.
I'll start by saying that most of the hadeeths, and that includes the authentic ones (الصحيح), are still what the scholars of Usool (Foundations of Hadeeth authentication) classified as ظني الورود, that is it is not absolutely certain that they were said the way they were reported by the people who narrated it. A few hadeeths may qualify to be on par with verses of the Quran, a classification the scholars called قطعي الورود, i.e., certain to have been worded as reported by those who narrated it. Those hadeeths are called متواتر (ubiquitous) and none of them, to the best of my knowledge, speak of abrogation. Please correct me if I'm wrong.
This is what As-Suyooti said about that in his book, "Al-Itqaan fi `Uloom Al-Qur'aan,"
حكى القاضي أبو بكر في الانتصار عن قوم إنكار هذا الضرب لأن الأخبار فيه أخبار آحاد ولا يجوز القطع على إنزال قرآن ونسخه بأخبار آحاد لا حجة فيها
Judge Abu-Bakr narrated in his book, "Alintisaar" from several people that they dismissed the use of Hadeeth to prove abrogation in the Quran if the hadeeth was narrated by a few, as such hadeeths cannot be decisive proof.