Glow Plug System Control Unit 6461532579 Relay Control Module System Replacement compatible for C‑CLASS E‑CLASS Feature: 1. OE Number: The referencing OE number of this glow plug system control unit are 6461532579, A6461532579, molded and designed depend on the data. 2. Fitment: The glow plug relay control unit is a replacement compatible for C‑CLASS W204, compatible for C‑CLASS T‑Model S204, compatible for E‑CLASS W211, compatible for E‑CLASS T‑Model. 3. Easier Starting: Increasing the intake port temperature in low temperature environments and increasing the fuel ignition temperature, making it easier compatible for the car to start. 4. Energy Efficiency: The control unit can adjust the preheating current according to the temperature and engine needs, which can better protect the battery and extend the battery life. 5. Durability: Made of quality materials, reliable quality, with strong durability, able to operate well in a variety of working environments. Specification: Item Type: Glow Plug System Control Unit OE Number: 6461532579, A6461532579 Material: ABS, metal Fitment: Replacement compatible for C-CLASS W204 2007.01 - 2010.12 Replacement compatible for C-CLASS W204 2007.01 - 2008.11 Replacement compatible for C-CLASS W204 2007.01 - 2008.11 Replacement compatible for C-CLASS T-Model S204 2007.08 - 2011.12 Replacement compatible for C-CLASS T-Model S204 2007.08 - 2008.11 Replacement compatible for C-CLASS T-Model S204 2007.08 - 2008.11 Replacement compatible for E-CLASS W211 2006.04 - 2008.12 Replacement compatible for E-CLASS W211 2006.04 - 2008.12 Replacement compatible for E-CLASS W211 2003.03 - 2008.12 Replacement compatible for E-CLASS T-Model S211 2006.04 - 2009.07 Replacement compatible for E-CLASS T-Model S211 2006.04 - 2009.07 Replacement compatible for E-CLASS T-Model S211 2003.03 - 2009.07 Package List: 1 xGlow Plug System Control Unit Note: Please double check the part number of your item, matching incompatible formation is compatible for reference only. If you are unsure of the item, please