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Performance MODS for the R171 How to make your SLK perform better

Tire Rack- Revolutionizing Tire Buying

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Old 03-19-2007   #41 (permalink)
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Originally Posted by Bernd js View Post
Ready, the work is done. The filters fitted perfectly in the box of my 350.

Thanks especially to Ynot for his very good instruction at the beginning of this thread.

The recommended change of the air filter is at 80,000 kms. But now look at this bull****, the car has only gone the half of the distance.
The same quantity of sand and leaves in both boxes.
Ouch, that makes me wonder how dusty my filters are.
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Old 03-19-2007   #42 (permalink)
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Fitted greens to my 280 Sport, you know the one with the so called fancy Airbox. For those that intend to do it on this model. The Greens quiet the car down a fair bit, the opposite to what I have read for a car with normal Airbox. The exhaust note is quieter but more raspy. Revs better and Fuel consumption managed to get 33mpg on run rather than 28 mpg - same journey.

Looks like the fancy noise generated by the Airbox is at the expense of fuel.
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Old 03-19-2007   #43 (permalink)
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Originally Posted by N4PWJ View Post
wow Bernd, that is full of crud!! wonder how much my airboxes are holding. i better get the finger out and order these green filters.
Today I think it is very important to clean up the air filters more often than the recommended change, especially if the SLK is your daily driver like mine. But ordering the Greens won't be a fault, as I perceive that the engine reacts more directly to the movement of the throttle. I will observe the fuel consumption. But I don't hear a difference. The exhaust drowns it out. I am going to listen next time when driving with opened roof.

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Originally Posted by DansSlk View Post
man thats a lot of mess, just getting that out will help performance no end.
Yes, indeed. I remember my Volkswagen time in the 80s: Cleaning up the (paper) air filter every 10,000 kms, change after 40,000 kms.

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Originally Posted by alroumi View Post
Ouch, that makes me wonder how dusty my filters are.
It might be. Perhaps a little bit more sand and instead of the leaves parts of palms.
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Old 03-20-2007   #44 (permalink)
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all this talk about the green filters really as me jonesing. i ordered mine last week and i can't wait to get 'em here and installed.
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Old 03-20-2007   #45 (permalink)
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Just got around to installing mine. Took literally 10 minutes. Thank you ynot for the simple instructions! What I would recommend is (silly me) not to unscrew the torx screws all the way, but just enough that it releases it from the bottom tray. It saves you a ton of time! it was also insane to see how much dirt there was in the stock filter tray, and also how cheap and restrictive the stock filter is! This is a must mod for every SLK!
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Old 03-20-2007   #46 (permalink)
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Ok so I don't really feel or hear a difference after installing the Green Filters. What is supposed to be different?
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Old 03-20-2007   #47 (permalink)
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Thx for the info, by the way I'm a new member from SF Ca. Just purchased a used 2003 SLK 320. My wife enjoys driving the SLK, I just want to modify it a liitle.
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Old 03-21-2007   #48 (permalink)
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Ok so I don't really feel or hear a difference after installing the Green Filters. What is supposed to be different?
The gain is mainly in MPG. Before the green air filters, combined driving was around 24 mpg on the SLK 280. After the green air filters, combined driving is now around 27 mpg.
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Old 03-21-2007   #49 (permalink)
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Ok so I don't really feel or hear a difference after installing the Green Filters. What is supposed to be different?
I have to agree, my last couple of vehicles, I've noticed a big difference, especially with sound and throttle responses, to be honest I haven't notice anything with the greens except as etyu said, it helps with fuel economy, that can't be a bad thing.
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Old 03-21-2007   #50 (permalink)
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Crud. All this talk about the filters and better mileage made me want to order them, only to find out the SLKWorld store is sold out. Any idea on a re-stock date?
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Old 03-21-2007   #51 (permalink)
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Crud. All this talk about the filters and better mileage made me want to order them, only to find out the SLKWorld store is sold out. Any idea on a re-stock date?
Today mate
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Old 03-22-2007   #52 (permalink)
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i got the word from ups today, my (slkworld ordered) greens will be delivered tomorrow! WOOHOO!
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Old 03-23-2007   #53 (permalink)
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got 'em and they took about 5 minutes to install. i'm looking forward to testing 'em out.
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Old 05-18-2007   #54 (permalink)
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Scott,
i've checked this morning how i can reach the filter box.

Gasp !!!

You have spent only 5 minutes to unscrew the 8 screws which secure the cover ?????

Is there any special tip/tool ???
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Old 05-18-2007   #55 (permalink)
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no Zeiser...it's really very str8 forward, just undo the screws and lift up the plastic. maybe 5mins is exagerated but 15mins-20mins at max is all it takes and a mod well done.
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Old 05-18-2007   #56 (permalink)
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Maybe my fingers are too big !!
i will try .
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Old 05-18-2007   #57 (permalink)
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You don't need to unscrew the screws all the way, just maybe half way so it disconnects from the main casing. I took off 4 screws all the way on one of them before I realized I didn't have to.
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Old 05-24-2007   #58 (permalink)
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Ok I'm going to jump on this band wagon and buy some greens too.

ps. when are the green filters going to be re-stocked? And is there a reason that we have to buy two filters?

Last edited by quaidorsay; 05-24-2007 at 12:58 PM.
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Old 05-24-2007   #59 (permalink)
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Two filters because there is two filters on the car.

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Old 05-26-2007   #60 (permalink)
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merci bc zeizer!

Does any one know when the Greens are going to be restocked for the 350's?

Thank you

Joseph-Henri
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