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SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Trunk partition error fixed

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Old Feb 5, 2021 | 01:12 AM
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LanceDal's Avatar
LanceDal
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Joined: Oct 2020
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06 SL500
Trunk partition error fixed
Lately, I kept getting the trunk partition error message when tried to open the top. Turned out, trunk partition sensor was bad. The trace on the PCB broke. I removed PCB, unsolder the chip, fixed the trace and everything worked again.

If your sensor is bad, it could also be the chip which you can buy for $4 on Mouser.

I didn’t want to buy a used latch because who know what condition it is in.

here are few pics of the PCB and the fixes



The sensor module

Broken trace fix

If the switch is bad, you can find the part here https://www.mouser.com/ProductDetail...7TXG5D6w%3D%3D

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Old Feb 10, 2021 | 04:25 PM
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tydriver's Avatar
tydriver
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From: Dallas, TX
SL550
good find. Mine gives trouble if anything touches it or the wire harness. I'll have to pull it and check.
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