Mercedes Benz of Catonsville is looking for certified technicians. Please contact Nigel Hayes, . Our facility is second to none, and we take pride in making sure our customers are taken care of. Koons was voted the "Best Place to Work", by Washington Business Journal 4 years in a row! Come find out why! Drug Screen, background. E.O.E. For plenty of hours and a great career decision, contact Nigel Hayes!