EIS, ESL, or Key faulty? 2013 C250
#1
EIS, ESL, or Key faulty? 2013 C250
I can put the key in and hear the ESL motor turn. I can turn the key to position 1, 2, and start but the car won’t start. It happens occasionally.
When the car doesn’t start, I notice the display and cluster lights will shut off when turning to position 1, when it does work they will stay on. There are times where the dash lights and display will turn on and the car will start if I leave the key in the start position for a few seconds.
I replaced the motor in the ESL hoping it would fix it but it did not.
The key also doesn't function at times with the buttons not working and the red light not flashing. Does the key still turn in the ignition even if the key is dead? The battery was replaced hoping it would solve the key problem.
What do you guys think? Bad EIS, bad ESL, key, or neither?
SIDE NOTE: I just bought this car for a real cheap price because of this problem and a few others that I have since fixed.
When the car doesn’t start, I notice the display and cluster lights will shut off when turning to position 1, when it does work they will stay on. There are times where the dash lights and display will turn on and the car will start if I leave the key in the start position for a few seconds.
I replaced the motor in the ESL hoping it would fix it but it did not.
The key also doesn't function at times with the buttons not working and the red light not flashing. Does the key still turn in the ignition even if the key is dead? The battery was replaced hoping it would solve the key problem.
What do you guys think? Bad EIS, bad ESL, key, or neither?
SIDE NOTE: I just bought this car for a real cheap price because of this problem and a few others that I have since fixed.
#3
Key fob works perfectly and the car starts every time now.
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indyuberdriver (10-21-2020)
#4
I'm have a similar issue but I get no cluster lights when trying to start,nothing happens but do get the message remove key so assuming it's recognizing key fob, can turn radio on so assuming battery alright only a year old, any ideas as to what could be going on?
#5
This sounds very similar to my issue that I have described in a few other threads. Car will intermittently not recognize the key — sometimes it only takes a second, other times it can take up to 20 minutes. Absolutely infuriating.
@JVMV Can you describe how you cleaned up and fixed the connections in the key? I would love to give that a go.
@JVMV Can you describe how you cleaned up and fixed the connections in the key? I would love to give that a go.
#6
Please help me asap before the holidays!
managed to fix the problem without spending any money. Noticed the key only worked sometimes when unlocking door so I assumed the battery had a bad connection. Took the whole thing apart, fixed the connectors, cleaned it up well, and put it all back together.
Key fob works perfectly and the car starts every time now.
Key fob works perfectly and the car starts every time now.
#7
MBWorld Fanatic!
The car really needs to be scanned to see where the failure is occurring. I would assume the key battery has been changed just in case. It sounds like the EIS but that’s an expensive and difficult repair to undertake without being sure.
“… sitting here in the freezing cold…” Is the car still in the Whataburger parking lot? I hope not. In what part of Houston is it located? There are about 8 Mercedes dealers in Houston so you’re near one no matter where you are, but I assume you don’t want to go that route. If it’s on the north side, PM me and I’ll give the names of 2 reliable independent shops if you want to try that.
“… sitting here in the freezing cold…” Is the car still in the Whataburger parking lot? I hope not. In what part of Houston is it located? There are about 8 Mercedes dealers in Houston so you’re near one no matter where you are, but I assume you don’t want to go that route. If it’s on the north side, PM me and I’ll give the names of 2 reliable independent shops if you want to try that.
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#8
It's in huntsville to be exact. I was hoping it was the key does that sound likely?
As fir the eis I actually took it out myself already and inspected it but I already put it back in. I would love to have the info to the people you mentioned as I can't seem to find anybody who wants to fool with it due to holidays being so close. Anyways is there anyway to test the key somewhere to see if it's good or not? I figure if they test the key and it's good then that leaves me with the eis and I can just have it towed at that point. Also if maybe me Taking the eis back off and taking it and the key somewhere would save me ti.e and money that would be awesome I'm very mechanically inclined and I am on a very limited budget
#9
MBWorld Fanatic!
Okay.
I’ve sent you the names of 2 shops to your Private Message inbox on this forum. I have used them both. They won’t know who Odd Piggy is, so just tell them that an MB World member recommended them.
I don’t know how busy either of them are, but give it a try.
The high end scanners can test the key. I don’t know any other way. I suppose either of those shops could do it. Those can scan the whole Drive Authorization System to pinpoint where the failure is. If you have a second key you could try it. If it works, it’s not the key. If it doesn’t, then some other component is at fault. The EIS is expensive and the problem with jumping to it is that that the DAS is a combination of the key, EIS, shift controller, ECU, and ESL.
If all else fails, Mercedes Benz of the Woodlands services my wife’s SUV and I have no complaints.
Good luck.
I’ve sent you the names of 2 shops to your Private Message inbox on this forum. I have used them both. They won’t know who Odd Piggy is, so just tell them that an MB World member recommended them.
I don’t know how busy either of them are, but give it a try.
The high end scanners can test the key. I don’t know any other way. I suppose either of those shops could do it. Those can scan the whole Drive Authorization System to pinpoint where the failure is. If you have a second key you could try it. If it works, it’s not the key. If it doesn’t, then some other component is at fault. The EIS is expensive and the problem with jumping to it is that that the DAS is a combination of the key, EIS, shift controller, ECU, and ESL.
If all else fails, Mercedes Benz of the Woodlands services my wife’s SUV and I have no complaints.
Good luck.