Mercedes-Benz

1996 mercedes 220

Does the ignition switch turn off all the power to the car? when off windows, lights etc still work

Mercedes ml320 2001

I have a rear main seal leak. Can I use blue devil sealant. Does it work? Can it damage anything? Repair will cost 1800 dollars

1997 MERCEDEYS BENZE E-420

REPLACED FUEL PUMP THREE TIMES WHEN IT DRIVES IT HAS NO POWER WHAT COULD THIS BE