Take it to the dealer.
Check ur cps sensor
There is no dip stick in the ML for the transmission box - It has to be done by the Mercedes Dealer who has the required dip stick Hope this helps
It has no specific fuse. Check the switch, first, since it's the first thing to go. You can remove the switch panel and swap wiring harnesses with the back window. If that switch moves the window up and down, order a new switch from performanceproducts.com. If it still doesn't work, open the door panel and check to see if you're getting electricity to the door window motor. If you are, then you'll have to replace the motor.
Check the window switch.
Check power to window switch. Common cause. Check power to window motor. If none then check fuses/relays.
The can with a drip is the oil indicator. If the light comes on, check the oil level (well, you should check the oil at least once a week).
i would first check to see if power window master switch is good usually if more than one window doesnt work, that's where the problem isfords also have a lock on the master switch for windows other than driver window. check that is not engaged
Try swapping it with the driver's side switch
check power to the window motor by removing the door panel, apply power to two teminals and then reverse terminals window should go up and down when direct power is applied if so your motor is good, if not either a bad relay or a bad switch ANSWER FROM ME THAT IS DEFINITELY NOT the first step. ML320 window switch problems are usually not the motor - they are the switch -- at the console -- lots of info available at MB forums. There is copper in the switch and it bends/wears with time -- usually the drivers side. There are 2 options: Take out the switch module and repair it [per MB forum member instructions] Replace the module [it is in a bank of 4 - so you're replacing all the 'switches']. You probably had stuttering of the window before it failed? Here in MA -- mine failed this winter - -So I plugged in the hair dryer outside and just heated it up to get it "UP" -- and tried to remember not to use it.. But just like high school physics -- heat expands and voila! The switch component is not tooo expensive....
Short in the window switch . Check for bare wires before ther is a fire...
if manual, window regulator. if electric, check fuses, window switch, window motor, window regulator.
You should check local used dealers. Otherwise shipping with take any you would save. Look for used ones in the classifieds as well.