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Malfunction light popped up

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Old 09-17-2022, 12:52 PM
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E63 AMG
Malfunction light popped up

Went for a first drive in my new to me e63. On the way home got the malfunction light with the up arrow. It’s my understanding that this has to do with the rear airmatic suspension? Anyways, by the time I pulled up into my subdivision, the error went away. It was on for about 3 minutes or so during the drive back. When I got out of the car, I thought I heard a hissing sound but tbh, I’ll have to drive it again to know for sure. Both sides of the vehicle appeared and still are level. I know that I need to scan for codes(working on buying a scanner), but what’s the most common failure or thing to check for first with this system? Quick and dirty research suggest the valve block?
Old 09-17-2022, 02:36 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
https://mbworld.org/forums/w212-amg/...tion-sign.html
Old 09-18-2022, 02:07 AM
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Thanks Pete. One other thing I have noticed, when I open the driver door and the electronics come on, I can hear a quick release of air in the rear. It does this again, about 2 minutes later. Any ideas?
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Old 09-18-2022, 01:20 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Originally Posted by CZ 75
Thanks Pete. One other thing I have noticed, when I open the driver door and the electronics come on, I can hear a quick release of air in the rear. It does this again, about 2 minutes later. Any ideas?
totally normal... as the can bus gets energized by door opening it preps the car for driving by adjusting airtragic
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Old 09-18-2022, 02:50 PM
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E63 AMG
Originally Posted by PeterUbers
totally normal... as the can bus gets energized by door opening it preps the car for driving by adjusting airtragic
cool, thanks Pete. I’ll get carista or something long those lines to scan for the code.
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Old 09-20-2022, 01:38 AM
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Question regarding the functionality of airmatic. I set the car to its highest mode. Turned it off. Came back to it a few hours later and noticed that it’s 1” lower on both sides. Not dropping past that. Is this normal when the vehicle is off? Or is it supposed to hold at whatever the last setting was when vehicle was shut off?
Old 09-20-2022, 01:45 AM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Originally Posted by CZ 75
Question regarding the functionality of airmatic. I set the car to its highest mode. Turned it off. Came back to it a few hours later and noticed that it’s 1” lower on both sides. Not dropping past that. Is this normal when the vehicle is off? Or is it supposed to hold at whatever the last setting was when vehicle was shut off?
Normal. It rests in lowest setting when off.
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Old 09-20-2022, 09:42 AM
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Originally Posted by PeterUbers
Normal. It rests in lowest setting when off.
Perfect, thanks again Pete!
Old 09-21-2022, 12:27 AM
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Mercedes Benz C450 AMG
Ride Height Malfunction

Hmmmmm........ Well , here is my 2 cents.(14' E63s)
Are the front suspension springs stock? (Black)
I immediately threw a Ride Height Malfunction after installing H&R lowering (sport) springs. ( mine are blue)
There are Ride height sensors connected to the front suspension. One on each side. The stock front suspension isn't adjustable . But the front height sensors are somehow linked to the self leveling headlights. After I installed the H&R's on the front I had to manually adjust my headlights to keep them from shining up into space. Lol.
Just be aware that when the Malfunction is present , the rear suspension may not adjust properly. I leave mine lowered 90% of the time, but I also have adjustable rear sensor links.
sorry that was more like 5 cents. : )
Old 09-21-2022, 05:37 PM
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Originally Posted by AMc450amg
Hmmmmm........ Well , here is my 2 cents.(14' E63s)
Are the front suspension springs stock? (Black)
I immediately threw a Ride Height Malfunction after installing H&R lowering (sport) springs. ( mine are blue)
There are Ride height sensors connected to the front suspension. One on each side. The stock front suspension isn't adjustable . But the front height sensors are somehow linked to the self leveling headlights. After I installed the H&R's on the front I had to manually adjust my headlights to keep them from shining up into space. Lol.
Just be aware that when the Malfunction is present , the rear suspension may not adjust properly. I leave mine lowered 90% of the time, but I also have adjustable rear sensor links.
sorry that was more like 5 cents. : )
Yes, mine is stock. I did notice that the metal bracket that's attached to the plastic sensor bar is bent. I don't think that would causing the issue though. I will straighten it out.

Passenger


ETA: driver side sensor bar is completely detached/broken off from the tie rod. This is probably my issue?!

Last edited by CZ 75; 09-21-2022 at 06:00 PM.
Old 09-21-2022, 06:36 PM
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Nice pick up!
Old 09-21-2022, 06:48 PM
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Originally Posted by PeterUbers
Nice pick up!
So you think I'm onto something? Is this my smoking gun?
Old 09-21-2022, 06:53 PM
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Originally Posted by CZ 75
So you think I'm onto something? Is this my smoking gun?
it would explain the intermittent nature of things .. either way it needs repair so win-possible-win



is this the one?

https://www.mbpartscenter.com/oem-pa...UtNWwtdjgtZ2Fz


Last edited by PeterUbers; 09-21-2022 at 06:56 PM.
Old 09-21-2022, 07:00 PM
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E63 AMG
Originally Posted by PeterUbers
it would explain the intermittent nature of things .. either way it needs repair so win-possible-win



is this the one?

https://www.mbpartscenter.com/oem-pa...UtNWwtdjgtZ2Fz
That's the rear ride height sensor. My front is broken.


https://www.autohauspartsdelivered.c...sor-2129050303
Old 09-21-2022, 08:43 PM
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On the advice of my brother in law, I’m going to try this instead of replacing the whole sensor. $3 part.



Old 09-22-2022, 06:56 PM
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E63 AMG

Success!
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Old 09-22-2022, 07:08 PM
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Nicely Done lol
Old 09-22-2022, 07:33 PM
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Well done!! No more intermittent malfunction indicator?

what a cool little journey thanks for sharing, added to the sticky

Last edited by PeterUbers; 09-22-2022 at 07:36 PM.
Old 09-22-2022, 07:48 PM
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Originally Posted by PeterUbers
Well done!! No more intermittent malfunction indicator?

what a cool little journey thanks for sharing, added to the sticky
Haven’t taken her out for a drive yet but here is the scan I just did with my icarsoft:



Old 09-22-2022, 08:06 PM
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Originally Posted by CZ 75
Haven’t taken her out for a drive yet but here is the scan I just did with my icarsoft:


likely old code -- a couple driving cycles and hopefully will clear - otherwise you're still hunting
Old 09-22-2022, 08:49 PM
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Originally Posted by PeterUbers
likely old code -- a couple driving cycles and hopefully will clear - otherwise you're still hunting
Ya it’s what I pulled before I go for a drive. Says “historic” so that’s my guess too.
Old 09-26-2022, 03:14 PM
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Originally Posted by PeterUbers
likely old code -- a couple driving cycles and hopefully will clear - otherwise you're still hunting
Just went for another drive and light came back on!!
Old 09-26-2022, 04:20 PM
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Perhaps the sensor itself is damaged and needs that $140 replacement... you found smoke .. was there fire?
Old 09-26-2022, 05:26 PM
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Originally Posted by PeterUbers
Perhaps the sensor itself is damaged and needs that $140 replacement... you found smoke .. was there fire?
at this point I hope so. Gonna re-scan for codes.
Old 10-18-2022, 04:18 PM
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Alright so I finally got around to popping the sensor off of the vehicle. The part # is 0045429918. What's strange is that all the MB parts websites don't list the E63 AMG for fitment. They list the E550 and CLS63 but not the E63. Doesn't make sense. I should just go ahead and buy it correct?


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