Well it may or may not, however seeing that it was the last thing you did before the issue took effect then i would go back to it, The next best suggestion i could recommend might cost you $14.95 go to www.alldatadiy.com this is an online repair manual that i've been using for years on all of my mercedes it is very informative not just a repair manual but it also gives trouble shooting, symtoms and solutions check it out.