This complete kit is used to align the camshaft timing on Mercedes Benz engines in the correct position.
The kit also comes with the camshaft position sensor reluctor setting tools.
Engines: M152 / M157 / M276 / M278
OEM: 276 589 01 40 00 / 276589014000 / 278-589-00-23-00 / 278589002300 / 27158900100009 / 278589002300