QuestionRUNS TERRIBLE WHEN COLD TAKES QUITE AWHILE TO WARM UP RUNS FINE WHEN WARM PLEASE HELP!
AnswerThis car requires diagnostic scan tool to access trouble codes, before any diagnosis is possible.
I suggest you go to your local MB dealer, scan for codes, make an informed decision on repair.
Replacing parts, without data, could cost $7,000.00 USD, and still not fix the issue.