00 e200 auto 115000 miles. have car 3 months on 6 month warranty. have had the following problems. 1) cat has been replaced due to exhaust noise and vibrations. problem still remains. 2) srs airbag light remains on 3) cd player dosent work. 4) battery died twice and had to use jump leads. 5) abs light comes on some times 6) esp and bas light comes on like abs light. 7) twice car would not change from park into drive. had to restart and keep trying. eventually worked. is this car fixable or is it time to bite the bullet and return to dealer? getting a bit annoyed at this stage.