2006 Mercedes Benz ML350

The fuel system faild had it replaced twice gss leaking as well as the power steering leaking badly went out while driving I had both replaced power steering is out again several months later car been sitting since then i looked up to see if there were any safty recalls I did find both on Kelly blue book and a few other sites I contacted dealership was told I could bring vehicle the the recalls don't expire once the vehicle was there received a phone call they had my vehicle however the said they didn't know what kind it was or why it was there I asked how could u not know that was told they had keys but haven't went out to look I gave all my information before the vehicle was picked up I told them the issue again I was told then that as long as it's a recall problem no charge two days later I received another call same thing not knowing what type of vehicle I explained the situation again this time I was told they see 7 recalls all expired but 1 on the break system and I will have to pay $198 plus tax $233 for diagnostic ran and that price doesn't count towards repairs I waited a few hours called in act like someone else and was told recalls don't expire when I explained what was going on and who I was they told me my recalls closed and can't reopen and the was told they didn't see anything about power steering recalls however it was before I had my car towed if this was a safety recall hiw can I tell what information is correct with old recalls and how do I get them to fix this I do have a older model that I purchased 3 years ago from what I can see on there website when putting in Vin only show current recalls and shows my vehicle not having any recalls work ever done this information was on mercedes of louisville website I feel like I'm getting the run around please help with this safety recall I have small kids and won't to be safety

EVER SINCE I BOUGHT THIS CAR USED IN 2017 I'VE BEEN HAVING PROBLEMS WITH IT SINCE DAY ONE. I CANNOT BELIEVE THEY HAVE NOT BEEN ANY RECALLS ON THIS CAR WITH ALL THE WRONG THINGS WITH IT IT JOLTS OUT OF CONTROL IT'S SWERVES FROM SIDE TO SIDE IN THE POWER STEERING IS JUST A TOTAL MESS. WHEN I'M AT A STOP SIGN IT SUDDENLY STARTS SHAKING OUT OF NOWHERE AND THEN WITH THE CAR BEING IN PARK IS JOLTS BACK AND FORTH. I WENT TO A DOCTOR'S APPOINTMENT YESTERDAY I PARK MY CAR LIKE I NORMALLY WOULD NEXT TO YOU NOR I COME OUT THE CAR WON'T START THERE'S FLUID LEAKING AND I BELIEVE IT'S THE POWER STEERING. THIS CAR FEELS TOTALLY UNSAFE WHAT UP WRONG PURCHASE I MADE AND I'M NOT KNOW WHAT TO DO I CALLED MERCEDES AND THEY SAID THERE'S NO RECALL THERE'S NOTHING WRONG WITH MY CAR PLEASE HELP I DON'T KNOW WHAT TO DO