You are bidding on a used OEM BOSE RADIO AMPLIFIER removed from a 2003 Mercedes Benz S500 Sedan that was smacked in the Rear and totaled by the Insurance Company.  The Vehicles Sound System could still be tested and worked well. This in Vehicle test was the only one done to assure Functionality. Please refer to the Hi Res Pics that show this Item from every conceivable direction and make sure it meets your needs. The Mercedes Part Number is 220 820 02 89. This Unit is found on Most but Not All  Mercedes S430 S500 and S600 Models built from 2000 through 2003. Included with your Purchase is a Full Set of Pig-tailed Input Connectors. The Insulation on All Pig-tailed Connectors is in Excellent shape. An indication there was No excessive current draw by the Amplifiers Internal circuitry. You are Guaranteed satisfaction.

DEAR BUYER. I ALWAYS OFFER FREE RETURNS NO QUESTIONS ASKED. IF YOU WANT TO RETURN AN ITEM  OPEN A RETURN REQUEST CASE WITH EBAY. WHEN ASKED WHY YOU WANT A RETURN PLEASE  SAY YOU DO NOT WANT THE ITEM AND YOU WILL RECEIVE A RETURN SHIPPING LABEL. PLEASE DONT SAY THE ITEM IS DEFECTIVE OR DOES NOT WORK. EBAY PENALIZES SELLERS WHEN YOU SELECT THOSE REASONS. FROM MY OWN EXPERIENCE WITH RETURNS 95 PERCENT OF THE TIME  RETURNED ITEMS ARE PERFECTLY FINE  AND ANY LACK OF FUNCTIONALITY IS DUE TO ISSUES UNRELATED TO THE PURCHASED ITEM.  MAKE SURE TO RETURN THE ITEM IN THE SAME CONDITION AS RECEIVED AND TO INCLUDE ALL PIG-TAILED CONNECTORS AND ASSOCIATED COMPONENTS.