S63 AMG, S63 AMG 4Matic, S65 AMG (W222, V222) 2014 -2021

EVM Installation

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Old Oct 21, 2024 | 11:19 PM
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2015 S63 & 2014 ML350
EVM Installation

I bought an EVM from a company in Germany. The instructions they gave me are for an Audi so I was looking how the EVMs are installed for the S63 sedan? Did some searching online, but couldn't find much for videos or tutorials for the S63 (minus an search engine AI response lol). I believe you go in from the trunk, but I obviously noticed the clip going into one of the pipes on each side. Thanks!
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Old Oct 21, 2024 | 11:26 PM
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Originally Posted by The Truth
I bought an EVM from a company in Germany. The instructions they gave me are for an Audi so I was looking how the EVMs are installed for the S63 sedan? Did some searching online, but couldn't find much for videos or tutorials for the S63 (minus an search engine AI response lol). I believe you go in from the trunk, but I obviously noticed the clip going into one of the pipes on each side. Thanks!
I wonder if the installation is similar to this: https://mbworld.org/forums/s63-amg-4...ml#post7996640
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Old Oct 22, 2024 | 12:35 AM
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Originally Posted by The Truth
I bought an EVM from a company in Germany. The instructions they gave me are for an Audi so I was looking how the EVMs are installed for the S63 sedan? Did some searching online, but couldn't find much for videos or tutorials for the S63 (minus an search engine AI response lol). I believe you go in from the trunk, but I obviously noticed the clip going into one of the pipes on each side. Thanks!
What is an "EVM"???
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Old Oct 22, 2024 | 12:41 AM
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Originally Posted by carlosinseattle
What is an "EVM"???
Exhaust Valve Module which controls the opening and closing of the flaps in the exhaust with a fob remote. Renntech makes them, but I picked up this one from Germany which was a bit a cheaper.
https://www.sst-spezialsteuergeraete...cedes/s-class/
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Old Oct 22, 2024 | 08:57 AM
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Originally Posted by The Truth
Exhaust Valve Module which controls the opening and closing of the flaps in the exhaust with a fob remote. Renntech makes them, but I picked up this one from Germany which was a bit a cheaper.
https://www.sst-spezialsteuergeraete...cedes/s-class/
To be clear, ASR.de makes them but licensed to RENNtech to be sold exclusively in North America.
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Old Oct 23, 2024 | 03:30 PM
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Could be similar to this install:
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Old Oct 23, 2024 | 03:46 PM
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Yep, it was very similar and I was able to get it installed yesterday. Had to raise the car a bit and I still need to get one of the wires hidden better under the heatsheild, but all in all it took about an hour. The clips were a bit tough to get out, but a small flat head screw driver helped a lot. Definitely going to do a res delete to get a bit more sound out of it.
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Old Oct 23, 2024 | 04:48 PM
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Glad it all worked out for you!
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Old Oct 24, 2024 | 08:41 PM
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What is the point of this? Don't you have a button next to your command wheel that opens and closes the exhaust valves?
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Old Oct 24, 2024 | 09:03 PM
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Originally Posted by superpop
What is the point of this? Don't you have a button next to your command wheel that opens and closes the exhaust valves?
2014 to 2017 didn't come with that option. Wish it did so I wouldn't have to do all this lol.
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Old Oct 24, 2024 | 10:13 PM
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When stock, the valves don't open 100% even if you press that button, it only opens up when at high RPMs but as soon as it settles down the valve closes. During cold start, the valves open wide and then slowly closes back up. This module will make sure the valves are open 100% when you want it to.

Last edited by W205C43PFL; Oct 24, 2024 at 10:15 PM.
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Old Oct 25, 2024 | 08:42 AM
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Originally Posted by The Truth
Yep, it was very similar and I was able to get it installed yesterday. Had to raise the car a bit and I still need to get one of the wires hidden better under the heatsheild, but all in all it took about an hour. The clips were a bit tough to get out, but a small flat head screw driver helped a lot. Definitely going to do a res delete to get a bit more sound out of it.
Happy to hear everything worked out : ) Did you consider downpipes before this?
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Old Oct 25, 2024 | 12:18 PM
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Originally Posted by W205C43PFL
Happy to hear everything worked out : ) Did you consider downpipes before this?
Hopefully one day in the future
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Old Apr 4, 2025 | 12:56 AM
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2015 mercedes s63 AMG
Cool Renntech evm

Hi my s63 came with a renntech evm but didn't have the remote from renntech so I bought one fast forward I tried to pair the remote to the motherbord to get the remote to open the valves but my motherbord seems to not work thare is no light that pops up on mother bord. So i tried lifted the car and checked the cables everything seems good but dont know what my problem is. Has anyone ever had this problem and can a mother bord be fixed because renntech wants $500 for a new mother bord too much! Also dose it relly make a diffrence in the sound.
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Old Apr 23, 2025 | 01:44 AM
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Originally Posted by Cam4090
Hi my s63 came with a renntech evm but didn't have the remote from renntech so I bought one fast forward I tried to pair the remote to the motherbord to get the remote to open the valves but my motherbord seems to not work thare is no light that pops up on mother bord. So i tried lifted the car and checked the cables everything seems good but dont know what my problem is. Has anyone ever had this problem and can a mother bord be fixed because renntech wants $500 for a new mother bord too much! Also dose it relly make a diffrence in the sound.
Can't help with the issue, but you could always return it and order the one I got from Germany. It costs half as much.
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Old Apr 24, 2025 | 06:00 PM
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need to at least confirm there is electricity going to the module.
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