Guys I need some help with choosing which lowering module to go for.

Should I go for H&R, Kleeman, Carlsson or Renntech?

The Renntech has remote feature which is neat. The Carlsson one seems to be a very straight forward plug and play. The H&R seems to be the same as the Carlsson because I think the Carlsson one is developed by H&R. I don't know much about the Kleeman one though. I can't decide on which one.

I also want to know that if I lower the car with the module, will the car's suspension still lower the car when at speed? Would this be a problem and causing any sort of rubbing?

Also will the car's height raise when the car is shut off or will it still be at the lowered stance?

Thanks for the kind help.


Art

 

How about Links?? Cheaper and you can still set the vehicle to whatever height you like. Check out some pics in the Gallery section of the site.

 

I'd like a module more. thanks

 

links are better ..... those modz are a waste of money . this guy will drop ur car and drop the price homeboy

 

to be honest, i still think module is the way to go even though the price of the links are lower by a far margin. i just feel more safe with the module...

anyone have any recommendations please?

 

What about vehicle height adjust? How will it work after links change?
Is it risky to install links?

 

I've had the Carlsson module installed for 3 years now with no compliants.

You can also lower it through STAR.

 

any other members want to chime in too?

 

Here goes:

Don't do links. This will literally fool the ABC system and make it lower than it should be in certain situations. When ABC breaks down you won't be so happy about the savings.

Lots of modules have the same origin, namely http://www.ingbuerowilhelm.de/
It seems that the H&R, Brabus and Carlsson modules (amonst others) all find their origins there.

If you get a module, get one that does not require any wire cutting so that you can return the car 100% to its original state. Furthermore you don't want to rape the wiring harness of the car.

Get a module that is 100% adjustable so that you can get the exact setting you want.

Have your wheels aligned once lowering is done.

I believe the Carlsson module is the ideal module. You can have it programmed (by someone that can do more to this module than changing the dip-switches) to have it raise/lower at any speed you like. So e.g. below 10mph to lowest setting, above 10mph to something more practical, etc.

You can see a 10 minute installation video of the carlsson module here: http://carlsson.de/carlsson/en/downl...n%20Suspension

But as I said, proper installation requires programming of the module and alignment.

And you can read about it in the attached PDF. And here (german): http://carlsson.de/carlsson/pdf/down...rospekt-SL.pdf

Hope this helps. One final word of advice: Don't cut corners when lowering your 100,000 US$ car.

P.S. I myself don't have a lowering module as I am happy with my cars height.

 

thanks for the input! greatly appreciated!

do you happen to know if the renntech one needs cutting of the wiring harness?

 

Nope, never studied the Renntech option. But you can find a lot of info in the forum archive about that, and from what I read people are happy with it over here. But I don't know if it needs cutting.

 

I did install the Renntech v2 module. It’s 2nd generation digital module. There are four position “trimpot”, each with 7 position for each wheel. That is you can adjust each wheel for 7 different height! There is also a “trimpot” for on and of, that is you can disable or enable the module – like for service etc.
It is somehow “easy” to install if you are used to electrical wires etc. as installing this is a matter of moving wires from originally plugs to a plug coming from the module. It’s a one-hour install!
The cars (SL65-AMG) ABC tree height (standard, one-level higher and highest) still works very nice. The “standard level” is there the lowered position is, and you then have two higher positions to go for, like for steep road sections etc.
The module also connects to the cars CAN H-L, but what function this gives, I don’t know!

 

Where did you get yours?

 

I've been perfectly happy with http://www.adjustableairride.com/
Had it for about 7-8 months now. Works great.... no problems at all. Still able to raise the car up if I need to.

 

i have the Kleemann mod and am happy with it.it can be adjusted 2mm at a time.Its pretty simple to adjust.It fits under your headlight switch.What i like about it is that if i have a suspension problem,i just plug in the bypass adapter in the module and it is back to stock for the dealer without them knowing.As far as the car lowering at ,i believe 60mph,i havnt noticed anything.Im going to lower it more and will see.I also picked up a can of matching spray paint,just in case! The lower fairing can be plastic welded for a few hundred bucks if you crack it,or buy the new front end for 3k.I found that out the first weekend i got the car after smoking a racoon(without the lowering module installed)!It looks great lowered

 

Had Kleemann on my old SL600, did it through STAR on my 65. Personally, I run away from links or washers. Module or through STAR/SDS is my weapon of choice.

-m

 

right now im looking to get the renntech v2 if it doesnt require any cutting and welding of wires. from RNSL65's post, it seems like it's plug and play. i like it becuz of the remote feature and on off feature. will be ordering soon!

 

Where are you ordering the Renntech from?

 

simon @ rennspec

 

Seems like a lot of folks use the links...that's what I was thinking...if you only lower it say 1" on all 4 corners will the links be safe as opposed to the module? Another option for me is through SDS...

 

The links and modules both do the same - trick the ABC system. Same deal, just different methods. The modules are a little easier to adjust though as you just do it electronically once its installed; but its like 4x+ the cost of links and you still end up having to splice wires.

So lets see ... mechanical change or cutting/messing with the electronics system. Some people say they don't trust the links (???) its exactly the same think that Mercedes uses. The link looks exactly the same, it just happens to be height adjustable, while the Mercedes one is a solid 5 cent plastic piece.

 

Ok I'm going to write this one more time.

Yes - links/washers/lowering modules all fool the factory computers. The problem with fooling the factory computer is that you inhibit it significantly. Let's say the factory allows for a value as low as 2 - this value corresponds to that suspension component's height. If you are conditioning the signal so that when it sends to the ECU the value of 2, it's really 1.5, you are essentially eliminating a lot of the precautionary/safety mechanisms built into the car that allow it to properly monitor the suspension components. We've all seen pictures of the RED SUSPENSION TOO LOW warning, as obviously MB knows it is a very dangerous condition, yet with lowering links most cars will never be able to see that warning because the ECU will not see the actual voltage values for the suspension components.

Furthermore, when lowering via STAR/SDS - you do not condition the signal. What you are doing when going in to the SDS is lowering the value to the lowest value allowed by the ECU. No, this does not allow you to slam the car to the point of having the wheels tucked into the fender wells, but our suspension systems were never designed for that kind of geometry to begin with. So in addition to staying within factory specifications - you also still retain all the factory diagnostic/adjusting/monitoring functions using the ACTUAL values, and not "conditioned ones".

Now I know SDS is not perfect either. Sometimes it doesn't stick, sometimes it's wacky, and anytime you modify factory settings you are risking failure. I simply think it is the least of 3 evils, especially given what modules cost as compared to what lowering via SDS typically runs.

You guys drive $100,000 cars. In my opinion, you should modify them properly. I understand not everyone has access to someone who can do lowering VIA SDS, but at least then use a module because it is an active suspension system that will at least so some adjusting as it sees it necessary, and it has tuner R&D behind it.

Just my $.02

-m

 

OK, I'm about to get mine lowered, and I am having trouble picking among the three options: lowering links, lowering module, or via STAR/SDS.

If I get someone to do it via the STAR/SDS method, the next time I take it into the dealer will they wipe it out if they do anything STAR related on my car?

 

No, it should not matter. If there is a software recall (rare) it might effect it, but I've had 3 of my AMGs lowered via STAR and never had the settings "erased" at the dealer.

-m

 

WHERE DO I GO TTO GET IT LOWERED THROUGH STAR? THE DEALER? WHO DOES THAT?