Check Engine Light - P0120 and P0442 Codes
Small leak in evap check for cracked hoses at the charcoal canister and flip your gas cap gasket over,see if that helps. Also clean your purge valve
diy on www.benzworld.org w210 diy section.
Also get your own scanner about 50 bucks at harborfreight tools and erase the codes.. Then see what comes back over the next few weeks. Sometimes conditions just pop up that trigger a cel and go away. If they come back then get out the tools.
is it running fine?



