GL Class (X166) 2013-2015 after facelift became GLS (X166)

2013 450 new owner

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Old Jul 3, 2020 | 11:36 PM
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2017 GLS 450,Bmw Z4 35i
2013 450 new owner

just picked up this baby,2013 450 111k miles,16500$ with tax,i love it,had 2002 audi s8 before this and never going back to audi.
Only thing i would upgrade is headlights to bixenon and crystaline tint on front windows to block the heat,maybe some nice oem wheels



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Old Jul 3, 2020 | 11:45 PM
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2017 GLS 450,Bmw Z4 35i
these would look amazing



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Old Jul 4, 2020 | 12:11 AM
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Overpriced German Junk
Apart from the above captioned wheels, check out the thread replacing the infotainment screen.
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Old Jul 4, 2020 | 04:40 PM
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Originally Posted by Sierra117
Apart from the above captioned wheels, check out the thread replacing the infotainment screen.
i can stream bluetooth from my phone enough for me,not changing anything.Anyone knows where is the fuse for cig lighter near the cupholder?
I dont like this mbtex really looks bad and feels bad
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Old Jul 5, 2020 | 09:40 AM
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Looks great! I wouldn't change a thing, but it's your vehicle and personal preference.
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Old Jul 5, 2020 | 10:06 AM
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the head lights ... living in country roads of SWFL and after almost a decade of HIDs, to go back to halogens was frustrating, and at my age (LOL) .. needed light for visibility and safety ...

Last edited by vivaitalia; Jul 5, 2020 at 10:11 AM.
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Old Jul 5, 2020 | 01:12 PM
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so the brand new oem xenons are 2500$ a pair i am not paying that but i see some upgraded just the bulbs to morimoto and balasts but also i see they can have flickering or warning messages,not enough info on that.
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Old Jul 5, 2020 | 04:25 PM
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There's a slew of posts/threads on here about HID retrofits ... search HID and there's one guy here AZN Optics that pairs 50w Morimoto bulbs with 35w Hylux ballasts ... i already had my bulbs so I just bought the ballasts from him 2 years now, not a single issue ... knock on hood ... lol

Originally Posted by serb
so the brand new oem xenons are 2500$ a pair i am not paying that but i see some upgraded just the bulbs to morimoto and balasts but also i see they can have flickering or warning messages,not enough info on that.
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Old Jul 5, 2020 | 04:30 PM
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Originally Posted by vivaitalia
There's a slew of posts/threads on here about HID retrofits ... search HID and there's one guy here AZN Optics that pairs 50w Morimoto bulbs with 35w Hylux ballasts ... i already had my bulbs so I just bought the ballasts from him 2 years now, not a single issue ... knock on hood ... lol
hid is gotta have option i will definitely
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Old Jul 5, 2020 | 04:36 PM
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@serb ... when i got my ballasts, i wanted 50w but Hylux didn't make a 50w version and i got tired of searching and testing and returning incompatible ballasts so i went with the reliable hylux 35w ... i would sacrifice bulb life with a 50w ballasts even if nominal brightness compared to the 35w ballasts (FYI ... it is not an uncommon pairing of 50w bulbs with 35w ballasts) ...
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Old Jul 5, 2020 | 06:37 PM
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Just scored these oems in perfect condition for 400$ not so much tire life left but still a good deal


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Old Jul 5, 2020 | 07:24 PM
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Originally Posted by vivaitalia
@serb ... when i got my ballasts, i wanted 50w but Hylux didn't make a 50w version and i got tired of searching and testing and returning incompatible ballasts so i went with the reliable hylux 35w ... i would sacrifice bulb life with a 50w ballasts even if nominal brightness compared to the 35w ballasts (FYI ... it is not an uncommon pairing of 50w bulbs with 35w ballasts) ...
they replied right away so i am ordering this one,if u could post some pics how it looks at night that would be great




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Old Jul 5, 2020 | 07:57 PM
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i raise the car but as soon as i accelerate it goes down,i prefer when its up,is there a way for it to stay up all the time or my car has something wrong with it?
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Old Jul 5, 2020 | 08:28 PM
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Originally Posted by serb
i raise the car but as soon as i accelerate it goes down,i prefer when its up,is there a way for it to stay up all the time or my car has something wrong with it?
That's totally normal programming due to stability and MPG concerns. And it's all automatic.

In fact, it actually lowers a little bit from the normal level at highway speeds to improve efficiency. When you pull off the highway and come to a stop you can watch carefully and actually see the truck rise a little bit back to the normal position.

Last edited by cadetdrivr; Jul 5, 2020 at 08:32 PM.
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Old Jul 5, 2020 | 10:19 PM
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Originally Posted by cadetdrivr
That's totally normal programming due to stability and MPG concerns. And it's all automatic.

In fact, it actually lowers a little bit from the normal level at highway speeds to improve efficiency. When you pull off the highway and come to a stop you can watch carefully and actually see the truck rise a little bit back to the normal position.
theres gotta be a way to reprogram it to stop doing that
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Old Jul 6, 2020 | 01:12 AM
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Originally Posted by serb
theres gotta be a way to reprogram it to stop doing that
There is. Theres a module you can buy that keeps getting posted on the forums to override the air suspension computer.

Originally Posted by serb
i can stream bluetooth from my phone enough for me,not changing anything.Anyone knows where is the fuse for cig lighter near the cupholder?
I dont like this mbtex really looks bad and feels bad
You should be looking for the fuse box under the driver side rear passenger seat.
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Old Jul 7, 2020 | 09:54 PM
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Originally Posted by serb
theres gotta be a way to reprogram it to stop doing that
i recently seen that obd2 suspension lowering plug in device. About 500$ for it.

Id recommend getting a stage one tune for it. Really makes it actually feel normal for a big v8 twin turbo motor.
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Old Jul 8, 2020 | 07:37 PM
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Originally Posted by Jkucz86
i recently seen that obd2 suspension lowering plug in device. About 500$ for it.

Id recommend getting a stage one tune for it. Really makes it actually feel normal for a big v8 twin turbo motor.
but did you see how small those turbos are?
i dont know but if 550 and 450 are 100% same maybe spice it a bit
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Old Jul 8, 2020 | 07:49 PM
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Originally Posted by serb
but did you see how small those turbos are?
i dont know but if 550 and 450 are 100% same maybe spice it a bit
exactly the same motor. Same motor in a bunch of other mercedes. It is 100% better than oem 450 power.
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Old Jul 8, 2020 | 09:49 PM
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Some say 450 is not even detuned its completely same hp but i dont trust rumors.
Question is will the tranny and other components handle extra torque
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Old Jul 8, 2020 | 10:28 PM
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Originally Posted by serb
Some say 450 is not even detuned its completely same hp but i dont trust rumors.
Question is will the tranny and other components handle extra torque
It definitely a detuned 550 motor.
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Old Jul 9, 2020 | 09:03 AM
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Transmission is same as 550. Will handle everything fine. Some shops can tune your ECU to 550 tune.
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Old Jul 19, 2020 | 04:53 PM
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Do you have to remove headlights to install hids?
very tight space
also you have to drill the dust cover?
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