Strengths and weaknesses Opel Omega B2 2.6

Yesterday I bought the Opel Omega B2 2.6 V6, I was just new in the scene and asked a couple of questions.Because what I should be looking for where they strengthen and the weaknesses are with this beautiful vehicle.Is a switch Bj 2001 Limo 2 hand drove 150,000 km and at the same time seek the opel omega irmscher stings for front and rear and the grill please for help and answer.