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1999 Mercedes-Benz M-Class check engine light

Check engine light on

Hi @Correa could you please tell us a bit more
about your vehicle? Is the light blinking? If you’re asking for help with something specific, the extra info will help.

1 Like

you could get your code(s) scanned for free at autozone, for example, and post the code

For example P0171 or P0301

Is the truck running well?

Check engine light on solid or flashing?