diff --git a/homeassistant/components/tessie/media_player.py b/homeassistant/components/tessie/media_player.py
index 139ee07ca5b..ecac11587c1 100644
--- a/homeassistant/components/tessie/media_player.py
+++ b/homeassistant/components/tessie/media_player.py
@@ -20,6 +20,10 @@ STATES = {
     "Stopped": MediaPlayerState.IDLE,
 }
 
+# Tesla uses 31 steps, in 0.333 increments up to 10.333
+VOLUME_STEP = 1 / 31
+VOLUME_FACTOR = 31 / 3  # 10.333
+
 PARALLEL_UPDATES = 0
 
 
@@ -38,6 +42,7 @@ class TessieMediaEntity(TessieEntity, MediaPlayerEntity):
     """Vehicle Location Media Class."""
 
     _attr_device_class = MediaPlayerDeviceClass.SPEAKER
+    _attr_volume_step = VOLUME_STEP
 
     def __init__(
         self,
@@ -57,9 +62,7 @@ class TessieMediaEntity(TessieEntity, MediaPlayerEntity):
     @property
     def volume_level(self) -> float:
         """Volume level of the media player (0..1)."""
-        return self.get("vehicle_state_media_info_audio_volume", 0) / self.get(
-            "vehicle_state_media_info_audio_volume_max", 10.333333
-        )
+        return self.get("vehicle_state_media_info_audio_volume", 0) / VOLUME_FACTOR
 
     @property
     def media_duration(self) -> int | None:
diff --git a/tests/components/tessie/snapshots/test_media_player.ambr b/tests/components/tessie/snapshots/test_media_player.ambr
index ff0f6c794a7..69a5ca4b86b 100644
--- a/tests/components/tessie/snapshots/test_media_player.ambr
+++ b/tests/components/tessie/snapshots/test_media_player.ambr
@@ -41,7 +41,7 @@
       'device_class': 'speaker',
       'friendly_name': 'Test Media player',
       'supported_features': <MediaPlayerEntityFeature: 0>,
-      'volume_level': 0.22580323309042688,
+      'volume_level': 0.2258032258064516,
     }),
     'context': <ANY>,
     'entity_id': 'media_player.test_media_player',
@@ -64,7 +64,7 @@
       'media_title': 'Song',
       'source': 'Spotify',
       'supported_features': <MediaPlayerEntityFeature: 0>,
-      'volume_level': 0.22580323309042688,
+      'volume_level': 0.2258032258064516,
     }),
     'context': <ANY>,
     'entity_id': 'media_player.test_media_player',