key fob issue
how many keys max are you allowed to have and apporx how much for new key at stealer ?


Did the key fob work, and then stop working, or did it never work? Do you have another key fob that works correctly?
jR


Did that fob originally work, and just recently stop working?
operate even without batteries. you may recall that MB used to offer flat key
as a spare which reasonably fits into a wallet. it contains passive electronics
and no battery.
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If not, was your car parked outside when the rain storm occurred? If so, the first thing you might want to do is check the plastic vent on the passenger side of the hood by the windshield wipers to make sure it is clear of any kind of debris. There have been numerous reports of flooding on this forum because of the drains getting clogged causing water to back up into the electronics and creating a myriad of problems.
but maybe i didn't wait long enough , in ignition, before turning .
but the key fob red light doesnt go on, even with brand new batteries.
i will try to go to my car soon again , and try to start it again .
will let you know. but the console, music , inside locks , ALL WORK.
so what other options , can it be ???
I have a 2001 s600. I unlocked the car with the fob, put the key in and turned it and everything came on in the car except the motor didn't turn over. I did this twice.
I used my finger and rubbed the bottom of the key, still nothing again, then I rubbed the ignition in the dash where the key inserts and then the card started when I put the key in and turned it on.
I then turned it off, took the key out and waited 10 seconds and restarted it again and it worked.
I'm just curious if I should be worried if the car won't start one day and if it's the ignition in the dash or if it's a key but I'm thinking ignition in the dash.
I only have 1 key to the car and I'm debating on getting a 2nd. Can I use star diagnostics and program a key off ebay to my car?
But it only worked after I had ran my finger across the ignition in the dash. I'm not even sure what the valet key is for except for opening the trunk in case of a dead battery. I don't see how it could even start the car.
also today i realized that i wasn't using a recomended battery 2025 but the 2032, both are 3V but the other is a little thicker and worked for about a year, plus the rain storm must have got the key fob wet ( there is a small hole, by the close button ). i'm sure it can be fixed by some electronics specialist, but i dont know anyone like that, so after countless internet searches, talking to many people, i'm resigned to having to buy a new one . no one in america wants to fix anything, just replace it with new ones and overcharge everyone. soooooooooo sad , but what can you do ???
@ LTe the valet key will start your car. It is used just as stated so that the valet or parking attendant can't open your glove box or trunk.
Mortgage magic - have you tried charging your cars battery ? A weak car battery will still let some electronics operate in the car , but not enough juice to start the car. I'd try that before buying a key you might not need
so the bad key, was the only option. i already ordered it, through another friend, wo is a car dealer upstate new york, and supposed to get it express shipped to me tomorrow. so i will know 100% by tomorrow. btw. the dealers price is $220 now, so you cant get it cheaper, unless some guy has access to mercedes key fob codes and can program it,
i found 2 guys like that , but they wanted even more money , and it didn't make any sense .
the metal key doesn't fit into the fob !!! anyone had this problem before ???
can anyone help / advise ???
note : both keys open door,, but dont fit
but the metalic key just doesn't fit the fob, even though they came togather .
the previous one, was the all black one.
maybe MB dealer mismatched the key pairs ???
note: i checked, and both the key fob and metalic keys work , on my car








