Renntech Style Diffuser - Trouble Fitting

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Feb 7, 2019 | 06:24 PM

KILLERHERTZ

Thread Starter

Senior Member

Joined: May 2003

Posts: 302

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From: Englandshire

2013 SL63 AMG

Renntech Style Diffuser - Trouble Fitting

Hi Guys,

Bought a Renntech style carbon diffuser and its proving to be a nightmare to fit, the sides (above exhausts) keep pinging down and wont stay in place at all.

Anyone have any tips/suggestions?

Cheers
Karl
www.youtube.com/killerhertzmercedes

Feb 12, 2019 | 07:08 PM

CLS63Matt

Member

Joined: Jul 2018

Posts: 151

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From: Bay Area, CA

CLS63AMG W218 • CM7 Accord • '13 Yamaha R1

I lowered mine down a little. Had two people help. Screen one end and the other so it had to stretch and provided a VERY snug fit, but each diffuser is different so that's just my recommendation to you.

Feb 14, 2019 | 08:06 AM

hyperion667

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Joined: Jul 2010

Posts: 31,277

Likes: 3,916

From: on my way

2012 CLS63

Is that you car in your sigpic? I have the RT diff also, bumper had to come off and install was simple. Good luck.

Mar 6, 2019 | 06:05 PM

KILLERHERTZ

Thread Starter

Senior Member

Joined: May 2003

Posts: 302

Likes: 66

From: Englandshire

2013 SL63 AMG

Cheers guys, it was a struggle but I have it fitted (mostly) one side isnt quiet flush:

Yes that was myself, I did a Lap of the Ring in my 55. I now have a 63

- Check the video on my channel.

Last edited by KILLERHERTZ; Jun 30, 2019 at 01:49 PM.

Mar 9, 2019 | 06:07 PM

Clkboi

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Joined: Aug 2009

Posts: 2,292

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CLS550 4Matic

Where did you get the middle brake light for your diffuser?

Mar 9, 2019 | 06:23 PM

KILLERHERTZ

Thread Starter

Senior Member

Joined: May 2003

Posts: 302

Likes: 66

From: Englandshire

2013 SL63 AMG

Quote:

Originally Posted by Clkboi

Where did you get the middle brake light for your diffuser?

Im in England, they all have them in Europe by law.. I had to Dremel the hole out of the Carbon fibre.

Mar 10, 2019 | 07:09 PM

1MavRick

Senior Member

Joined: Oct 2018

Posts: 445

Likes: 157

From: ATL

CLS 63 and M4

Quote:

Originally Posted by KILLERHERTZ

Im in England, they all have them in Europe by law.. I had to Dremel the hole out of the Carbon fibre.

Dremel, ehhh? i bought the factory rear fog deflector but it doesn’t fit. Too long and not curved on the ends. May just dremel the reflector and epoxy it in. Thanx for the idea!

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Mar 11, 2019 | 03:11 PM

Clkboi

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Joined: Aug 2009

Posts: 2,292

Likes: 14

CLS550 4Matic

Looks good with both options imo.

Im about to get mine installed too and seems like the way to go is to remove the bumper for this to happen huh. Any underneath pics of your diffuser installed? Interested to see how you mounted the tabs and where you ended up screwing it in the body of the car