Mercedes Benz Genuine OEM Relay A0025421419 (1 Relay)

okay so next component I'm going to be looking at is the relay for the aromatic suspension system and this is a relay which sits on the driver side fuse box under the under the hood and the part number is a zero zero two five four two one three one nine and this is manufactured by Siemens and this was this hasn't failed but I just wanted to test to make sure that there isn't any fault with this it's very very easy to test and I'll just explain that in just a moment and the reason I wanted to test this is because on the forum's I've found a lot of people were saying that they had a sudden aromatic suspension failure usually all around so all four suspension basically sink and that's usually boiled down put it boils down to sometimes this relay and what it does it doesn't actually allow the air compressor to be turned on and so there's no air supply to the system and eventually the car ju