Tomcat SL

Anyone here with first-hand knowledge if I can reach/replace the driver's side parktronic sensors by going from the underside of the 2004 SL55 AMG? (removing the front underbody trey)
I have investigated/attempted unclipping the strip that hold the three sensors BUT the first clip I tried broke and I did not want to do any more harm/damage.
Before I move it to my lift I thought I'd ask this group.
Thanks,
Tom