E-Class (W212) 2010 - 2016: E 350, E 550

Airmatic issues/lowered

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Old 05-10-2013, 02:26 PM
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18'Porsche GT3, 16' Ram 3500 mega diesel,30' Model A Ratrod, 17' E43
Airmatic issues/lowered

Ok, The last couple times I had my car out, the rear height rises at around 25-35mph and stays jacked up until I stop or hit the sport/comfort button. I have a renntech lowering module and have the speed setting(to go back to stock height) set at 60 mph.. Driving me nuts, going to reset over the weekend but was wondering if anyone with a module has come across this?
Old 05-10-2013, 05:32 PM
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I just installed the Renntech last night and started playing with it. I haven't noticed any issues yet.
Old 05-10-2013, 05:53 PM
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Yeah, I've had it for almost 2 years without any problems. This just started. Weird
Old 05-10-2013, 06:51 PM
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Originally Posted by RobbieRob
Yeah, I've had it for almost 2 years without any problems. This just started. Weird
While testing settings....the headlight ballast blew. I don't know if the module caused it or not.

Mostly idling but I have notice the ballast gets extremely hot. We have never had the car idling as long as we did.

I have also notice that the engine compartment gets really hot on these cars. 5 minutes of driving and it gets really warm in the garage. Interesting little things I've noticed.
Old 05-13-2013, 11:33 PM
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Originally Posted by RobbieRob
Ok, The last couple times I had my car out, the rear height rises at around 25-35mph and stays jacked up until I stop or hit the sport/comfort button. I have a renntech lowering module and have the speed setting(to go back to stock height) set at 60 mph.. Driving me nuts, going to reset over the weekend but was wondering if anyone with a module has come across this?
Rob, I haven't had this problem with mine, but what I ended up doing (since I like the car to stay lowered at all times/speeds) is on the Renntech software, select one of your Custom slots, click under "Settings", then "Enable Advanced Speed Lowering", then set your Vehicle Speed (on the left) and the Lowering % (on the right). I've set mine at 200mph, and 0%. This means that I only want the car to raise back to stock at 200mph, which is not possible. Renntech said that this is the way to tell the lowering module not to raise the car at all.

I'd imagine if you set 60mph across the board in this section, it would get the result you want.
Old 05-14-2013, 12:27 AM
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Thanks SoCal,, I 'll try that and let you know.
Old 05-17-2013, 12:41 PM
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SoCal, That was the trick. I went into advance settings and put the speed at 200mph, and the airmatic is acting fine now. Thanks for the tip.
Old 05-17-2013, 07:36 PM
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Glad to hear it, buddy. That's what this forum is (was) about! Have a great weekend.
Old 05-18-2013, 04:06 AM
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Originally Posted by SoCalCLK
Glad to hear it, buddy. That's what this forum is (was) about! Have a great weekend.

LOL, so true. It was good and helpful at one point. Have a good weekend also. ttys

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