Mercedes W123 W126 Diesel Glow Plug Relay
W123 W126 5cyl glow plug relay controller, this is from an running 300D Turbo. 
The 002 545 06 32 controllers are interchangeable with the 001 545 06 32 and the 0 333 402 507. 
Fits All 5-cyl (617 motor) Mercedes Diesel Motors W123 & W126- 300D, 300DT, 300TD,300CD, 300SD 
All of these controllers will work with the 615 motor turbo and non turbo.