This is the oil separator and positive crankcase ventilation refresh kit.
This kit includes the updated oil separator located on the cylinder head. This is a common area for oil leaks on the M273 engine.
The oil separator, allows the crankcase to safely vent air and stop oil from escaping during the process.
If you are experiencing a loss of performance or a rough idle with the M273 V8 in your Mercedes-Benz, the PCV System / Oil Separator might be to blame. Why stop at just replacing the valve/oil separator when you can replace all the related items with this kit and you won't have to service these items for years to come!
This Kit Includes: