It depends entirely what audio system in your car. If you do not know , post the VIN on here and if it has not been upgraded in the past someone on here will steer you in the right direction.
My car is a year older than yours and is pre wired for telephone , but it all gets a bit messy with older cars connecting to smartphones. My iphone connects via bluetooth ..but not music , only phone, only the buttons on the wheel work , not the ones on the dash. That is with a genuine Mercedes Benz UHI HFP fitted in the factory 'hot shoe' connection in the armrest.
Brand new UHI HFP are no longer available but plenty on e-bay (but buyer beware) This might not be what you want. Some detest wires everywhere and USB plugs using gizmo's bought on line so end up replacing the whole head unit.
You have come to the right place , it's a big subject on here. Welcome along.