Underbody plastics

[shaneslk230]

Hi Guys,

I own a SLK230 R170 / 98, Can anyone tell me what the part/s name is for the plastics that sit under your car, for instance underneath the front bumper and up into the wheel arch and i'm also missing a small piece of plastic from inside my drivers door L/H/D i might add, ie just above the door locking mechanism, a piece of plastic about 3 inches by 2 inches it sits right on the top corner inside the door,
i cant find it anywhere,

thanks

 

[grober]

FRONT FENDER ATTACHMENT PARTS

and

DOOR PANELLING FRONT DOORS