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W205 facelift(2019~) tail light when on/off

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Old 10-04-2021, 11:10 AM
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W205 C300, W212 E350, Q50
W205 facelift(2019~) tail light when on/off

I thought the tail light has one piece of brake light but I found the US version brake light is 3 sectioned. Could anyone advise which lights are turned on/off? What I know is

"day" + "no brake" + "no turn signal"==> 1 is OFF, 2 is OFF, 3 is OFF.
"night" + "no brake" + "no turn signal" ==> 1 is OFF, 2 is OFF. 3 is OFF.
"brake" + "rear fog light on" ==> 1 is ON, 2 is OFF, 3 is OFF.
"brake" + "rear fog light off" ==> 1 is ON, 2 is ON, 3 is ON??? or OFF???
"no brake" + "turn signal on" ==> 1 blink ???, 2 blink ???, 3 blink ??? (or Off?)
"brake" + "turn signal on" ==> 1 blink ???, 2 blink ???, 3 blink ??? (or Off?)


Old 07-22-2022, 09:28 PM
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Originally Posted by realeric
I thought the tail light has one piece of brake light but I found the US version brake light is 3 sectioned. Could anyone advise which lights are turned on/off? What I know is

"day" + "no brake" + "no turn signal"==> 1 is OFF, 2 is OFF, 3 is OFF.
"night" + "no brake" + "no turn signal" ==> 1 is OFF, 2 is OFF. 3 is OFF.
"brake" + "rear fog light on" ==> 1 is ON, 2 is OFF, 3 is OFF.
"brake" + "rear fog light off" ==> 1 is ON, 2 is ON, 3 is ON??? or OFF???
"no brake" + "turn signal on" ==> 1 blink ???, 2 blink ???, 3 blink ??? (or Off?)
"brake" + "turn signal on" ==> 1 blink ???, 2 blink ???, 3 blink ??? (or Off?)

any luck with this?
Old 07-27-2022, 08:23 AM
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Is night referring to exterior lights on or off?

from the 2019 I tested I can confirm the following

"day" + "no brake" + "no turn signal"==> 1 is OFF, 2 is OFF, 3 is OFF.
"night" + "no brake" + "no turn signal" ==> 1 is OFF, 2 is OFF. 3 is OFF.
"brake" + "rear fog light on" ==> 1 is ON, 2 is ON, 3 is OFF.
"brake" + "rear fog light off" ==> 1 is ON, 2 is ON, 3 is ON
"no brake" + "turn signal on" ==> 1 blink, 2 blink, 3 blink.
"brake" + "turn signal on" ==> 1 blink, 2 blink, 3 blink.




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