@603benztech: Can you believe engine coolant is leaking into the washer fluid tank?! This 2021 GLC63 came in with a low coolant light on the dash. After pressurizing the system, we found the washer fluid tank leaking coolant. Some Mercedes use a heated washer system that runs engine coolant through a heating element. When that element fails, it leaks internally and contaminates the entire tank. Sounds crazy, but we’re starting to see this more often. If you saw a low coolant light, would you ever think to check the washer tank? #mercedesbenz #amg #glc63 #carproblems #autorepair

603 MTech Autowerks
603 MTech Autowerks
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Friday 08 May 2026 22:47:33 GMT
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tam2316
TM :
Absolutely over engineered bullshit. Washer fluid is meant for like -30 what the hell it need that for 😭
2026-05-09 02:13:31
644
ramfis4real
:
this makes no sense. washer fluid doesnt freeze. why is mb putting heaters for that. wtf
2026-05-09 01:35:41
271
mexicanjoker33
Mexicanjoker33 :
The Mercedes Benz windshield heated washer system was introduced in the 1980”s
2026-05-09 13:02:16
60
mk2loud7
MK2Loud :
My coolant is this color???? Just dirty ig??
2026-05-09 14:37:56
6
othersideofthepillow
🐙NOCTIS🐙 :
Mercedes has been installing these since the early '80s, along with many other Europeans doing the same. Not all water fluid is the same, and some people prefer to just use water. his cars were designed to be comfortable and efficient in ALL climates, which means most if not all have the element. And it's extremely rare for them to fail, although a newer systems they are using cheaper assemblies which breaks my heart as an enthusiast. Thankfully, Mercedes recently spoke about bringing the quality back to their vehicles. (and the v8s)
2026-05-09 12:54:37
7
kelagold420
kela gold :
all these commenters have never experienced a frosty windshield in -25c weather. heated washer fluid is great
2026-05-09 09:45:09
59
thatslow55
thatslow55 :
See this all the time with the 167s
2026-05-08 22:50:35
4
johnknight962
Fuck Tik Tok :
That's stupid, heated washer fluid!!!!
2026-05-09 07:27:18
11
v12_king
V12King👑 :
bypass the 2 coolant lines and call it a day, this idea is very unnecessary & just an extra expense for no reason
2026-05-09 21:03:24
14
thefunnycomments7
Eddie Lambert :
I fixed this issue multiple times, is not the windshield fluid container, is the plastic line that goes from the firewall heater hose that connects to the windshield fluid container. Those little plastic hoses seem to be very low quality and not rated for coolant 😅
2026-05-09 02:37:17
8
dustinboysel
Dustin Boysel :
Been seeing this
2026-05-11 15:51:25
3
warrenjenson
WarrenJenson :
Again saving the dumb people from themselves, you should have washer fluid regardless, especially if you live in a cold climate because that heating system won’t help if the car has been sitting in freezing temperatures over a weekend
2026-05-09 05:08:01
5
chadisimo2002
Simo Chadi :
Very disappointed how Mercedes Benz making cars lately
2026-05-10 15:32:02
5
user8474738385858
💤 :
Had this problem on my w222 m278 .
2026-05-09 06:06:12
5
always.uwu
alwaysuwu :
12v electric heating element and 2 wires was all that were necessary...
2026-05-24 17:11:16
1
khaledbeatz92
Khaled B :
This has always been a thing with Mercedes. Got to keep that washer fluid warm in the winter in Germany.
2026-05-09 01:25:21
0
aid1988c
aid1988c :
literally all they had to do is put an electric blanket cover around the washer tank
2026-05-17 09:18:08
2
onlyhonda99
onlyHONDA :
heated washer fluid dates back to w124
2026-05-09 11:35:50
7
martinz_auto_tech_lagos
Martinz_auto_tech :
Engineers gather here 🎈
2026-06-23 09:02:03
1
literallyjustjohn
literallyjustjohn :
Designed to fail
2026-05-10 08:21:28
3
michaelmikh
MichaelM :
So the fix is to replace the washer fluid reservoir?
2026-05-09 05:20:51
4
aegrotisalus
aegroti salus :
MB has this Heating System for Washerfluid since the 80's It's very usefull im harsh winters. The fluid it self hast a freecing temp of -40°C, but sprayed Out of the washerjets, IT will freece in yout windsheld realy quick.
2026-05-11 06:36:40
4
derekcordeiro1
Derek Cordeiro :
What year Amg motor has better build quality?
2026-05-09 01:13:41
4
nabeel_co
nabeelr :
that's so weird. Volkswagen puts them in the washer nozzles themselves, and makes them electric instead of coolant-based. that seems to make more sense.
2026-05-09 16:41:02
4
crip1640
crip :
hey buddy Mercedes has been doing this for decades I can't think of a body line that didn't have heated washer fluid bottles
2026-05-13 10:39:45
3
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