You are looking for a New custom production 304 stainless steel front grill for Mercedes 170 W136. You don't need to care about rust problem for your Mercedes 170. The patten is match on your original grill only need some custom bent or cut on the edge. It is easy to cover on the top of the original grill.The size of the sheet thick is 2mm. It will come will standard sheet and polish sheet. The polish one have to add one hundred us dollar on Top. It is make by custom order, so the polish one have to wait for a week to finish.