S-Class (W222) 2014-2020

ZB Kuhlbox W222 (Fridge / Refrigerator) Issues

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Old 08-15-2022, 08:27 AM
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MB W222 S560L 2019
Unhappy ZB Kuhlbox W222 (Fridge / Refrigerator) Issues

Hi Everyone
I've fridge (ZB Kuhlbox W222 I) in my S-Class W222 MY2019 (S560 L) equipped by factory.
I'm facing some issue with the fridge, the interior light is working but the it's not cooling at all! the (on/off) button light is blinking and sometime it's flashing.
When turn it on and both blue LED in the button is on, It's take a moments then it's become off. even the fridge fan (from the trunk side) it's not running.
could anyone have any solution for this issue?
Moreover, where is the fuse location for fridge, maybe it cause this issue

Thanks in advance
Old 01-14-2023, 04:31 PM
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2018 AMG E63S Wagon 2019 AMG S63
[QUOTE=Almones;8616654]Hi Everyone
I've fridge (ZB Kuhlbox W222 I) in my S-Class W222 MY2019 (S560 L) equipped by factory.
I'm facing some issue with the fridge, the interior light is working but the it's not cooling at all! the (on/off) button light is blinking and sometime it's flashing.
When turn it on and both blue LED in the button is on, It's take a moments then it's become off. even the fridge fan (from the trunk side) it's not running.
could anyone have any solution for this issue?
Moreover, where is the fuse location for fridge, maybe it cause this issue

Thanks in advance [/QUOTE


im having the same issue, did you get yours working?]
Old 01-14-2023, 04:54 PM
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You can check fuse 458 @ rear fuse box & ground but unit may be malfunctioning.





Old 01-14-2023, 11:23 PM
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MB W222 S560L 2019
[QUOTE=Deckboss;8703050]
Originally Posted by Almones
Hi Everyone
I've fridge (ZB Kuhlbox W222 I) in my S-Class W222 MY2019 (S560 L) equipped by factory.
I'm facing some issue with the fridge, the interior light is working but the it's not cooling at all! the (on/off) button light is blinking and sometime it's flashing.
When turn it on and both blue LED in the button is on, It's take a moments then it's become off. even the fridge fan (from the trunk side) it's not running.
could anyone have any solution for this issue?
Moreover, where is the fuse location for fridge, maybe it cause this issue

Thanks in advance [/QUOTE


im having the same issue, did you get yours working?]
Dear Deckboss
I’m still having the issue
but today I’ll try to replace the fuses [x],[Y] and [s] and check, because I replaced fuse [Y] with [X] and the fridge light is gone. I think it’s related to fuse but not sure.
Old 01-14-2023, 11:33 PM
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MB W222 S560L 2019
Originally Posted by konigstiger
You can check fuse 458 @ rear fuse box & ground but unit may be malfunctioning.



Dear konigstiger

my car (S560 MY2019) have different fuse box diagram not like what you shared and I can’t find the fuse that you mentioned.
for grounding, how can I checked if it’s working or not?



moreover, the ceiling light in left rear seat ( light next of mirrors is not working.
Old 01-15-2023, 01:34 AM
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222 S-65
I have an operational refrigerator available for adoption that lived in my ‘15 S-65 if needed. P/M if interested.
Old 01-15-2023, 03:03 AM
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Originally Posted by Almones
Dear konigstiger

my car (S560 MY2019) have different fuse box diagram not like what you shared and I can’t find the fuse that you mentioned.
for grounding, how can I checked if it’s working or not?
It still is the same fuse number for the rear fridge (see attached for MY 2019).

Several ways to check the ground, you could detach the fridge wiring and measure the resistance from there towards a good ground point. Better if you feed a current load matching the fridge and measure voltage from the fridge connector towards good ground. See bulletins from konigstiger, there should be one showing issues with the ground points on a W222.
Attached Files
File Type: pdf
W222 as of MY2018.pdf (310.4 KB, 100 views)
Old 02-22-2023, 11:08 AM
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Originally Posted by Diesel Benz
It still is the same fuse number for the rear fridge (see attached for MY 2019).

Several ways to check the ground, you could detach the fridge wiring and measure the resistance from there towards a good ground point. Better if you feed a current load matching the fridge and measure voltage from the fridge connector towards good ground. See bulletins from konigstiger, there should be one showing issues with the ground points on a W222.
I think I’m going to have to bring it in and pay the diagnostic fee for them to show me how to turn it on or tell me what’s wrong. Blinks, then flashes, then turns off. Interior light always on when door opens but no power going to fan or fridge unit. I’ll take a video of the blink flash sequence .
Old 02-28-2023, 02:30 PM
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Originally Posted by Almones
Hi Everyone
I've fridge (ZB Kuhlbox W222 I) in my S-Class W222 MY2019 (S560 L) equipped by factory.
I'm facing some issue with the fridge, the interior light is working but the it's not cooling at all! the (on/off) button light is blinking and sometime it's flashing.
When turn it on and both blue LED in the button is on, It's take a moments then it's become off. even the fridge fan (from the trunk side) it's not running.
could anyone have any solution for this issue?
Moreover, where is the fuse location for fridge, maybe it cause this issue

Thanks in advance
I FIXED IT!!!!! so today while I was in my trunk I decided to try and push the plug in a bit more, low and behold I went and hit the button and waaalaaaaa the blinking is gone and the fridge has power. It’s all in the plug and pushing it all the way in.


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