So does my SL500. The systems were IR until 98, I think, when they changed to RF.
Again, if the emitter is weak or the receivers are not working well, or their plastic lenses are cloudy, it won’t work from a distance of any kind, or in the sunlight. -D > On Aug 9, 2019, at 6:47 PM, Floyd Thursby via Mercedes > <mercedes@okiebenz.com> wrote: > > This one has an IR emitter you aim at these sensors on the door and trunk > lock area, each of those has the red/green indicators to show un/locking. It > is a 600! So it has to be more complicated! > > -_FT > > On 8/9/19 4:15 PM, Dan Penoff via Mercedes wrote: >> The key has an RFC chip in it, the battery shouldn’t have any effect on it’s >> ability to start. Same reason why a “Mickey Mouse” key will start and run >> the car as well. >> >> Just for grins, try the remote at each door and the trunk in the dark. I say >> that because my 1997 SL500 fob won’t work in the daylight, but will in the >> dark. I can only assume that something has weakened the fob (this is with >> brand new batteries) or the system isn’t as sensitive as it used to be. >> >> -D >> >> >>> On Aug 9, 2019, at 4:11 PM, Floyd Thursby via Mercedes >>> <mercedes@okiebenz.com> wrote: >>> >>> Last week I thought I had locked the SL with the IR remote that shines at >>> receivers on the doors and trunk. They have red and green lights that >>> blink red when it locks, green when it unlocks. I have noticed that the >>> lights don't all work, a green on one, a red on another, I think neither on >>> the trunk, and sometimes the key remote won't activate different lock >>> receivers. Maybe the batteries are getting low in the remotes, I'll have >>> to check them. These fobs have a key that flips out of a rectangular >>> housing when you push a little button, then a larger button to work the >>> remote signal. >>> >>> So I went to get in the car, hit the remote button aimed at the driver >>> door, then got in. Tried to start the car, no go. Ugh. Finally got out >>> and fiddled with the battery cables, tightened them, whatever. Then it >>> started OK. Same thing happened Wed evening, fooled with the battery, >>> still no go. I know the battery is good so it was confusing. So for some >>> reason I tried the remote again at the driver door, which was open, and >>> then tried to start the car and bingo it worked. So I am trying to figure >>> out if the door receiver is funky, or the key, or what. i guess first >>> thing is to change key battery. >>> >>> I guess this must be some immobilizer feature, ignition is disabled if the >>> locks are locked, although the driver door did not seem to be locking which >>> is why I could open it even though the car thought it was locked. >>> >>> This thing gives me fits! >>> >>> -- >>> --FT >>> >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > -- > --FT > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com