GL63 AMG and GLS63 (X166, X167) 2014 - present (Two generations)

New member - shopping for a GLS63

Old Feb 16, 2022 | 03:18 PM
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rmanTX's Avatar
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GLS63
New member - shopping for a GLS63

Hey y'all, first post. I'm looking at a X166 GLS63 and had a few questions -

1st - are the massage seats standard? Yes I'm serious haha.

2nd - what kind of power are these capable of on the stock driveline? I know I want to go with downpipes and cut outs before the mufflers, as well as tuning.
Shocked by the price(s) of turbo upgrades. Just curious how aggressive they can get on the stock block and tranny.

My last MB was a w202 C280. I'm a Ford guy, and was getting ready to get a new Super Duty when my wife started nagging me about needing to seat 6 for the whole family.
I thought that's why she had the big car...
Anyhow, MB is the only other manufacturer that I'd consider. Have always been a fan.
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Old Feb 22, 2026 | 02:41 PM
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Commenting because I am in the same boat of shopping lol. From what I found online it looks like massage seats are standard. I literally have the same mod list as you lol. The x166 is the 2023 model right?
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Old Feb 23, 2026 | 10:29 AM
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2015 S500, 2016 GL63 AMG
The X166 " GLS " was from late 2016 onwards, I have an early 2016 which is still an X166 but badged " GL63 ". The GLS is a facelifted version and they renamed it with the " S " in the name
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Old Feb 23, 2026 | 02:13 PM
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Originally Posted by roviw1
The X166 " GLS " was from late 2016 onwards, I have an early 2016 which is still an X166 but badged " GL63 ". The GLS is a facelifted version and they renamed it with the " S " in the name

Thank you for correcting me. Still learning as much as I can.
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Old Feb 24, 2026 | 10:55 AM
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Originally Posted by rmanTX
Hey y'all, first post. I'm looking at a X166 GLS63 and had a few questions -

1st - are the massage seats standard? Yes I'm serious haha.

2nd - what kind of power are these capable of on the stock driveline? I know I want to go with downpipes and cut outs before the mufflers, as well as tuning.
Shocked by the price(s) of turbo upgrades. Just curious how aggressive they can get on the stock block and tranny.

My last MB was a w202 C280. I'm a Ford guy, and was getting ready to get a new Super Duty when my wife started nagging me about needing to seat 6 for the whole family.
I thought that's why she had the big car...
Anyhow, MB is the only other manufacturer that I'd consider. Have always been a fan.
I can answer the first question: massage seats are standard on the X166 GL/GLS63.
Reply

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