diff --git a/lib/Gitlab/Api/MergeRequests.php b/lib/Gitlab/Api/MergeRequests.php
index a457d25b6..99a67a9da 100644
--- a/lib/Gitlab/Api/MergeRequests.php
+++ b/lib/Gitlab/Api/MergeRequests.php
@@ -1,57 +1,83 @@
-<?php
-
-namespace Gitlab\Api;
-
-class MergeRequests extends AbstractApi
-{
-    public function all($project_id, $page = 1, $per_page = self::PER_PAGE)
-    {
-        return $this->get('projects/'.urlencode($project_id).'/merge_requests', array(
-            'page' => $page,
-            'per_page' => $per_page
-        ));
-    }
-
-    public function show($project_id, $mr_id)
-    {
-        return $this->get('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id));
-    }
-
-    public function create($project_id, $source, $target, $title, $assignee = null, $target_project_id = null, $description = null)
-    {
-        if ($target_project_id && ! is_numeric($target_project_id)) {
-            throw new \InvalidArgumentException('target_project_id should be numeric, the project name is not allowed');
-        }
-
-        return $this->post('projects/'.urlencode($project_id).'/merge_requests', array(
-            'source_branch' => $source,
-            'target_branch' => $target,
-            'title' => $title,
-            'assignee_id' => $assignee,
-            'target_project_id' => $target_project_id,
-            'description' => $description
-        ));
-    }
-
-    public function update($project_id, $mr_id, array $params)
-    {
-        return $this->put('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id), $params);
-    }
-
-    public function merge($project_id, $mr_id, array $params)
-    {
-        return $this->put('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id).'/merge', $params);
-    }
-
-    public function showComments($project_id, $mr_id)
-    {
-        return $this->get('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id).'/comments');
-    }
-
-    public function addComment($project_id, $mr_id, $note)
-    {
-        return $this->post('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id).'/comments', array(
-            'note' => $note
-        ));
-    }
-}
+<?php
+
+namespace Gitlab\Api;
+
+class MergeRequests extends AbstractApi
+{
+    const STATE_ALL = 'all';
+    const STATE_MERGED = 'merged';
+    const STATE_OPENED = 'opened';
+    const STATE_CLOSED = 'closed';
+
+    public function all($project_id, $page = 1, $per_page = self::PER_PAGE)
+    {
+        return $this->getMrList($project_id, $page, $per_page, self::STATE_ALL);
+    }
+
+    public function merged($project_id, $page = 1, $per_page = self::PER_PAGE)
+    {
+        return $this->getMrList($project_id, $page, $per_page, self::STATE_MERGED);
+    }
+
+    public function opened($project_id, $page = 1, $per_page = self::PER_PAGE)
+    {
+        return $this->getMrList($project_id, $page, $per_page, self::STATE_OPENED);
+    }
+
+    public function closed($project_id, $page = 1, $per_page = self::PER_PAGE)
+    {
+        return $this->getMrList($project_id, $page, $per_page, self::STATE_CLOSED);
+    }
+
+    public function show($project_id, $mr_id)
+    {
+        return $this->get('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id));
+    }
+
+    public function create($project_id, $source, $target, $title, $assignee = null, $target_project_id = null, $description = null)
+    {
+        if ($target_project_id && ! is_numeric($target_project_id)) {
+            throw new \InvalidArgumentException('target_project_id should be numeric, the project name is not allowed');
+        }
+
+        return $this->post('projects/'.urlencode($project_id).'/merge_requests', array(
+            'source_branch' => $source,
+            'target_branch' => $target,
+            'title' => $title,
+            'assignee_id' => $assignee,
+            'target_project_id' => $target_project_id,
+            'description' => $description
+        ));
+    }
+
+    public function update($project_id, $mr_id, array $params)
+    {
+        return $this->put('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id), $params);
+    }
+
+    public function merge($project_id, $mr_id, array $params)
+    {
+        return $this->put('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id).'/merge', $params);
+    }
+
+    public function showComments($project_id, $mr_id)
+    {
+        return $this->get('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id).'/comments');
+    }
+
+    public function addComment($project_id, $mr_id, $note)
+    {
+        return $this->post('projects/'.urlencode($project_id).'/merge_request/'.urlencode($mr_id).'/comments', array(
+            'note' => $note
+        ));
+    }
+
+    protected function getMrList($project_id, $page, $per_page, $state = self::STATE_ALL)
+    {
+        return $this->get('projects/'.urlencode($project_id).'/merge_requests', array(
+            'page' => $page,
+            'per_page' => $per_page,
+            'state' => $state
+        ));
+    }
+}
diff --git a/lib/Gitlab/Model/MergeRequest.php b/lib/Gitlab/Model/MergeRequest.php
index 8a4560c42..3e777d81e 100644
--- a/lib/Gitlab/Model/MergeRequest.php
+++ b/lib/Gitlab/Model/MergeRequest.php
@@ -22,7 +22,8 @@ class MergeRequest extends AbstractModel
         'source_project_id',
         'target_project_id',
         'upvotes',
-        'downvotes'
+        'downvotes',
+        'labels'
     );
 
     public static function fromArray(Client $client, Project $project, array $data)
diff --git a/lib/Gitlab/Model/Project.php b/lib/Gitlab/Model/Project.php
index 5e933d371..26ce99339 100644
--- a/lib/Gitlab/Model/Project.php
+++ b/lib/Gitlab/Model/Project.php
@@ -2,6 +2,7 @@
 
 namespace Gitlab\Model;
 
+use Gitlab\Api\MergeRequests;
 use Gitlab\Client;
 use Gitlab\Api\AbstractApi as Api;
 
@@ -311,9 +312,9 @@ public function events()
         return $events;
     }
 
-    public function mergeRequests($page = 1, $per_page = Api::PER_PAGE)
+    public function mergeRequests($page = 1, $per_page = Api::PER_PAGE, $state = MergeRequests::STATE_ALL)
     {
-        $data = $this->api('mr')->all($this->id, $page, $per_page);
+        $data = $this->api('mr')->$state($this->id, $page, $per_page);
 
         $mrs = array();
         foreach ($data as $mr) {