Donor vehicle is a 2002 Mercedes CL500.  Item is the Center Console Button Switch Mechanism Arm Rest  Oem E9521309, and overall in good condition. Comes exactly as shown in the images does show some wear from age, Please verify your vehicle information prior to purchasing to ensure proper fitment. The item that is pictured is the item that you will receive. 

Please verify that this is your issue prior to purchasing, there are many parts that could be causing your issue.  Parts purchased are not to be used to diagnose your vehicle.