NO REFUND ACCEPT TOWAGE COST

I SENT MY CAR IN FOR A B SERVICE ON A C280 W204 LAST WEEK TUESDAY 24/02/20015.I RECEIVED THE CAR BACK ON THE FRIDAY 27/02/2015,THINKING EVERYTHING WAS FINE ME AND MY WIFE DEPARTED ON SATURDAY 28/02/2015 AT 1.30 PM TO SUN CITY,WE LEFT SUN CITY ON SUNDAY 1/03/2015 AT 11.30 AM AN HOUR IN TO OUR JOURNEY THE FAN BELT SNAPPED AND THE CAR SWITCHED OFF. I WAS STRANDED ON THE N4 HIGHWAY NEAR THE BRITS OFFRAMP COMING BACK TO PRETORIA.I WAS ****** ON THE SAME DAY. THEY STOLE R6000 CASH,ME AND MY WIFES JEWELLERY WAS ******(R30000),2 CELLPHONES,OUR CLOTHING(R3500) TO TOP IT ALL I HAD TO PAY THE TOWAGE GUY R5500.I PHONED MERCEDES BOKSBURG AND THE HEAD OFFICE,THE WOKSHOP MANAGER TOLD ME THAT THEY WILL REFUND MY TOWAGE COST(BOKSBURG) BUT NOT MY CASH AND JEWELLERY,I DONT CARE ABOUT THE JEWELLERY,THE CELLPHONES,THE CLOTHING BUT WHAT ABOUT MY HARD EARNED CASH (R6000) THIS ALL HAPPENED BECAUSE OF THE FAN BELT SNAPPING WHICH THE AGENTS SAY WERE REPLACED.ME AND MY WIFE COULD HAVE BEEN KILLED,I RECEIVED NO INVOICE FOR WORK DONE ON MY CAR IN FACT MY CAR IS WORST OFF THAN BEFORE GOING FOR THE SO CALLED SERVICE AT THE AGENTS.I WANT THIS MATTER TO BE DEALT WITH SEVERELY SOMEONE HAS TO BE HELD RESPONSIBLE.