I need to find the fuse for the radio for mercedez s500 year 2000

Whereever you bought this radio should have had a fit guide for your car, a lot of early 2000's s500 Mercedes Benz will not allow you to change the radio, not saying your model won't just that a lot of them won't.
Go back to where you bought it and ask TO SEE the fit manual.

is it an after market radio? if so it might not have enough power so it goes to pull power when its turned up and its not there so it just shuts off. try checking your radio wires and your fuse.

Every radio has a different code. You will have to contact a Mercedes-Benz dealer to get the code for your particular radio. It MAY require removal of the radio to get the serial number.

The shifter needs to be inspected. The shifter assembly is got misaligned, it has to be open and realign.

There are many other possibilities. But if it was working right up till now and suddenly this occurred then its shifter assembly alignment issue.

For car not changing gears it can be shifter assembly issue, or it can also be transmission issue. Get the shifter assembly inspected with ignition OFF.

For more troubleshooting, I suggest you to get the Following help link checked, its complete step by step procedure to inspect gear shift issues: -----

GEAR SHIFT ISSUES

http://alltypesofpartsreplacing.blogspot.com/2012/11/gear-shift-issues.html

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These will help.
Thanks.

have you checked the fuses?

try Ebay.com or Amazon.com or search under 'Buy Owner's Manual Mercedez-Benz S-Class 2000' on a search engine.

hello

If the radio is a factory fitted it would be a problem for you to remove except you take the car to a specialize workshop otherwise check properly there could be one or two pin or screw holding it.

hello,good day,yes your may check the power supply and contact,if not corrected,send your car to a dealer for proper diagnose,maybe erase fault or configuration of your system is needed,to correct the problem,ty

There are (2) batteries (CR2025) inside the remote key which can be replaced. You remove the spare key and the top of the remote can be pried open.