CL-Class (W215) 2000-2006: CL 500, CL 600

Another cl500 power drain

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Old Mar 8, 2021 | 09:16 AM
  #1  
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Cl500 w215 R320 w251
Another cl500 power drain

Hello!
After this winter i have a problem with power drain(over 2A)
I already know that 0.6A comes from the command unit( took out the fuse) and i have located another drain, of over 1.2A that stops after unplugging one of the plugs in the dome lamp( i have marked it in the picture).
Can you please help me, what can cause the drain?
Thank you in advance!
I'm driving cl500 2003


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Old Mar 10, 2021 | 06:11 PM
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C215 600TT
Do the command and some lamps operate as expected when they have their fuses in?
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Old Mar 11, 2021 | 02:12 AM
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Cl500 w215 R320 w251
Originally Posted by ukcl600
Do the command and some lamps operate as expected when they have their fuses in?
Yes, but after the battery was empty the command was turning on but with no sound, after some time it was normal.
The lights are working normally.
Now after unplugging that plug, i can't use the remote, the dome lamp doesn't work and the PDC doesn't work. After plugging it, everything works fine, but it drains the battery.
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Old Mar 12, 2021 | 04:27 AM
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command no sound is the optical ring restarting
most of the time these drains are caused by modules on can network not going to sleep or waking up every x time where they should stay asleep
there are no missing plugs, many plugs can be vacant as they are used on other models or options you don't have

you can only locate a drain after the car is asleep, all doors and windows closed (to not trigger the alarm)


https://mbworld.org/forums/sl-class-...ery-drain.html
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Old Mar 20, 2021 | 03:14 AM
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Cl500 w215 R320 w251
Originally Posted by BenzNinja
command no sound is the optical ring restarting
most of the time these drains are caused by modules on can network not going to sleep or waking up every x time where they should stay asleep
there are no missing plugs, many plugs can be vacant as they are used on other models or options you don't have

you can only locate a drain after the car is asleep, all doors and windows closed (to not trigger the alarm)


https://mbworld.org/forums/sl-class-...ery-drain.html
You've missunderstood me, the plug is out there and after unplugging it, the drain stops. My question is, what electronic devices are in the dome lamp, because one of them causes the drain. After unplugging i can't close the car from the remote, and rain and light sensor does not work.
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Old Mar 20, 2021 | 04:30 AM
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Originally Posted by D.militaria
You've missunderstood me, the plug is out there and after unplugging it, the drain stops. My question is, what electronic devices are in the dome lamp, because one of them causes the drain. After unplugging i can't close the car from the remote, and rain and light sensor does not work.
this




to get you the correct part number you need to give me your vin
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Old Mar 20, 2021 | 04:58 AM
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Cl500 w215 R320 w251
Originally Posted by BenzNinja
this




to get you the correct part number you need to give me your vin
WDBPJ75J03A039013
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Old Mar 20, 2021 | 05:36 AM
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Originally Posted by D.militaria


price is euro and dealer price not public
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Old Mar 20, 2021 | 05:49 AM
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Cl500 w215 R320 w251
Originally Posted by BenzNinja


price is euro and dealer price not public
Thanks a lot! I will check it.
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