Mercedes Glow plug relay 0 333 402 505

Up for sale is a fully functional used Mercedes 4 cyl Diesel glow plug relay. This unit has been tested and comes with a 7 day warranty. These units are very expensive to buy new, even for an aftermarket unit. This is the OEM part. These are 2 types of these units for the ever reliable 4 cyl Mercedes Diesels, so be sure this is the one you need. A faulty relay may cause low or no glow plug function indicated by hard starting when cold, no start when cold, or no glow plug light on the dashboard. Thanks for stopping by!These fit 240D 190D 240TD and possibly more.Unit pictured is the exact one you will receive.