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FOR SALE MBMarket: RENNtech M119 Airbox

puchak

Grat Lover
Member
Seeing this wasn't posted or shared here yet, I'm sure this will interest some of you!

I AM NOT THE SELLER!

NO RESERVE: RENNtech M119 Airbox

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"These airboxes were made using OEM airboxes and modifying the insides for airflow and adding the carbon fiber top to the OEM base"

I don't see anything modified on the inside. Am I blind, or someone just want to make this air box more special than it actually is? The carbon fiber top is nice?, but I don't think there is anything to this air box besides that.
 
I had a RennTech airbox some years ago when Iived in Texas, and ran it on my E500 for some months. I never noticed ANY difference in power whatsoever, so I ended up selling it to a forum member. I believe the additional HP that RennTech "claimed" from its airbox and chip were a complete farce.
 
"These airboxes were made using OEM airboxes and modifying the insides for airflow and adding the carbon fiber top to the OEM base"

I don't see anything modified on the inside. Am I blind, or someone just want to make this air box more special than it actually is? The carbon fiber top is nice?, but I don't think there is anything to this air box besides that.
There's no power difference. The insides are not modified other than raising the carbon fiber top about 1 inch, so it's slightly larger volume.

As Gerry said, there is ZERO power gain, even on a 6L engine.

It's pretty when refinished (as seen on this car for sale), but it's strictly eye candy. I'm curious to see what silly price the faded airbox will bid up to.

:watchdrama:

1994_mercedes-benz_e500_E500-095-30011-scaled.jpg
 
Can someone please explain to me how anyone with a lick of intelligence would expect that adding a (modified) airbox will gain 10 hp?

Same folks who do hood stacks on W123/126s, or put K&N filters on their cars?

Dan (hopefully not offending anyone here!) :oldster:
 
My car came with one when I bought the car 20+ years ago. It had cracks then and continued to crack and delaminate until finally I couldn't stand looking at it anymore and replaced it with a used stock one... if anyone knows how to refinish it, let me know but I think that it is too far gone... I likely wouldn't try fixing it anyway... but somehow can't bring myself to throw it in the trash.

Agreed - Absolutely no performance difference on or off...
 
Can someone please explain to me how anyone with a lick of intelligence would expect that adding a (modified) airbox will gain 10 hp?

Same folks who do hood stacks on W123/126s, or put K&N filters on their cars?

Dan (hopefully not offending anyone here!) :oldster:
So they can officially claim its a renntech once they add the chip for that 10hp
 
For some folks...the airbox and an exhaust make it a "Renntech 500E", and describe-able as such when listing said car for sale...or so I've recently been social-media-scolded for not understanding. So there.
The sad thing is that for some people who are in the market for an E500E, this train of thought might even be considered as a valid point. It always stuns me how many clueless people are shopping for 036 :facepalm:
 
"These airboxes were made using OEM airboxes and modifying the insides for airflow and adding the carbon fiber top to the OEM base"

I don't see anything modified on the inside. Am I blind, or someone just want to make this air box more special than it actually is? The carbon fiber top is nice?, but I don't think there is anything to this air box besides that.
Correct, zero mods to improve air flow...a 'pretty' expensive item that offers zero performance over the OE piece.
 
Can someone please explain to me how anyone with a lick of intelligence would expect that adding a (modified) airbox will gain 10 hp?

Same folks who do hood stacks on W123/126s, or put K&N filters on their cars?

Dan (hopefully not offending anyone here!) :oldster:
Depending upon what vehicle, modifying the stock airbox or replacing it with a free flowing cold air intake can net you a RWHP gain. Some vehicles gain nothing, due to the properly engineering design of the OE system, but other vehicles can gain a little or a lot. Drop in panel filters like K&N can net you 5-7 rwhp on some cars. This can be increased to roughly 10 rwhp with a different, high flowing and/or cold air intake system. A K&N cone filter on my 2000 FRC Corvette, netted 17 rwhp on the dyno. Many OE air intake systems are crippled by EPA requirements.

My 500E with K&N filters gained nothing on the dyno and I did separate dyno runs on different days, with and without the K&N filters.

If you watch my video on the modifications I did to my VR6 EOS's airbox, you can see how EPA requirements hurt performance

 
I keep seeing sets of wheels going up for auction at MBM, but they're overseas somewhere. There was a set of W220 "Sport" wheels that were on MBM a few weeks ago, but the seller was in Kuala Lumpur!!! I messaged them and asked for a shipping quote - $800.

Factor that into what the wheels are worth and you're talking about a chunk of change. There was a claim that they're rarely seen, but that's simply not true. I just saw a complete set on my local Facebook Marketplace for $400. Unfortunately, they are really beaten up and will need refinishing and likely repair due to dings in the edges. I bookmarked the ad and will follow up with the seller in a few weeks when they haven't sold. If I can get them for less it might make sense, but with a minimum of $200/wheel for refinishing, the costs can add up quickly.

Dan
 
The ladies only know THREE letters when it comes to MBs … A - M - G

Or for the folks here … 7 letters … PORSCHE. Because so many here wear PORSCHE so proudly on their …. MBs.
a bit like putting the sub's name on the banner...plumber, electrician...instead of the general contractor/company hired for the job. but I don't even know a Renntech 500E when I'm being told it is one so F me...that...? fun.
 
I always have said that if you want a Porsche, please make like the @Jlaa or @RicardoD and buy something that was designed and made in Zuffenhaisen.

I mean, does anyone highlight BOSCH or ATE or Lemforder on their car simply because it has components on it from those companies, LoL?

:lolol:

Is it possible to call your car a RennTech if you have an air box, chip and exhaust installed? Or does it have to have an RT modified engine?

There is a certain cadre of folks in the 126 world who are more than happy to call their SEC an AMG if it has a body kit and wheels on it, or an AMG steering wheel and exhaust. Or a Hammer with an AMG 5.6 engine that doesn’t have 4-valve heads on it.

Ugh. My head hurts. So many MB owners of all stripes out there stretching reality to the limits to fit their insecurities.

The fact that MB slaps AMG badges on every product line out there today (especially on cars with non-AMG-assembled engines) doesn’t help matters. At one time, AMG actually MEANT SOMETHING.
 
I always have said that if you want a Porsche, please make like the @Jlaa or @RicardoD and buy something that was designed and made in Zuffenhaisen.

I mean, does anyone highlight BOSCH or ATE or Lemforder on their car simply because it has components on it from those companies, LoL?

:lolol:

Is it possible to call your car a RennTech if you have an air box, chip and exhaust installed? Or does it have to have an RT modified engine?

There is a certain cadre of folks in the 126 world who are more than happy to call their SEC an AMG if it has a body kit and wheels on it, or an AMG steering wheel and exhaust. Or a Hammer with an AMG 5.6 engine that doesn’t have 4-valve heads on it.

Ugh. My head hurts. So many MB owners of all stripes out there stretching reality to the limits to fit their insecurities.
I tried but STILL ended up Zuffenhaisen-adjacent! (914)
 
I am very disappointed that the air box doesn't add horse power.
Been running into yt videos where Renntech makes an appearance. Last one I saw was on the Curated channel. Seems like a great outfit with very knowledgeable staff.

Their air boxes are really nice looking when in New condition, an hideous when in mediocre condition.

I don't see any provinance value in this air box. However, there is an audience for an item of this sort.
 
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...Ugh. My head hurts. So many MB owners of all stripes out there stretching reality to the limits to fit their insecurities.

The fact that MB slaps AMG badges on every product line out there today (especially on cars with non-AMG-assembled engines) doesn’t help matters. At one time, AMG actually MEANT SOMETHING.
whats worst is anybody and their mother can afford a Mercedes now. and they all argue and call it an AMG b/c it has a badge from the factory, not the AMG factory - just the regular old assembly line.

it grinds my gears too..
 
I always have said that if you want a Porsche, please make like the @Jlaa or @RicardoD and buy something that was designed and made in Zuffenhaisen.

I mean, does anyone highlight BOSCH or ATE or Lemforder on their car simply because it has components on it from those companies, LoL?

:lolol:

Is it possible to call your car a RennTech if you have an air box, chip and exhaust installed? Or does it have to have an RT modified engine?

There is a certain cadre of folks in the 126 world who are more than happy to call their SEC an AMG if it has a body kit and wheels on it, or an AMG steering wheel and exhaust. Or a Hammer with an AMG 5.6 engine that doesn’t have 4-valve heads on it.

Ugh. My head hurts. So many MB owners of all stripes out there stretching reality to the limits to fit their insecurities.

The fact that MB slaps AMG badges on every product line out there today (especially on cars with non-AMG-assembled engines) doesn’t help matters. At one time, AMG actually MEANT SOMETHING.
Does this count as AMG? :D

 

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