diff --git a/djangorestframework/exceptions.py b/djangorestframework/exceptions.py
index b29d96ba1..3f7e9029c 100644
--- a/djangorestframework/exceptions.py
+++ b/djangorestframework/exceptions.py
@@ -17,12 +17,20 @@ class PermissionDenied(Exception):
         self.detail = detail or self.default_detail
 
 
-class UnsupportedMediaType(Exception):
-    status_code = 415
-    default_detail = 'Unsupported media type in request'
+class MethodNotAllowed(Exception):
+    status_code = status.HTTP_405_METHOD_NOT_ALLOWED
+    default_detail = "Method '%s' not allowed"
 
-    def __init__(self, detail=None):
-        self.detail = detail or self.default_detail
+    def __init__(self, method, detail):
+        self.detail = (detail or self.default_detail) % method
+
+
+class UnsupportedMediaType(Exception):
+    status_code = status.HTTP_415_UNSUPPORTED_MEDIA_TYPE
+    default_detail = "Unsupported media type '%s' in request"
+
+    def __init__(self, media_type, detail=None):
+        self.detail = (detail or self.default_detail) % media_type
 
 # class Throttled(Exception):
 #     def __init__(self, detail):
diff --git a/djangorestframework/request.py b/djangorestframework/request.py
index 2c0f03193..684f65914 100644
--- a/djangorestframework/request.py
+++ b/djangorestframework/request.py
@@ -207,8 +207,7 @@ class Request(object):
         """
         Parse the request content.
 
-        May raise a 415 ImmediateResponse (Unsupported Media Type), or a
-        400 ImmediateResponse (Bad Request).
+        May raise an `UnsupportedMediaType`, or `ParseError` exception.
         """
         if self.stream is None or self.content_type is None:
             return (None, None)
@@ -217,8 +216,7 @@ class Request(object):
             if parser.can_handle_request(self.content_type):
                 return parser.parse(self.stream, self.META, self.upload_handlers)
 
-        raise UnsupportedMediaType("Unsupported media type in request '%s'" %
-                                   self._content_type)
+        raise UnsupportedMediaType(self._content_type)
 
     def _authenticate(self):
         """
diff --git a/djangorestframework/views.py b/djangorestframework/views.py
index b0e235340..36d05721c 100644
--- a/djangorestframework/views.py
+++ b/djangorestframework/views.py
@@ -147,10 +147,7 @@ class View(DjangoView):
         Return an HTTP 405 error if an operation is called which does not have
         a handler method.
         """
-        content = {
-            'detail': "Method '%s' not allowed." % request.method
-        }
-        raise ImmediateResponse(content, status.HTTP_405_METHOD_NOT_ALLOWED)
+        raise exceptions.MethodNotAllowed(request.method)
 
     @property
     def _parsed_media_types(self):