Mercedes-Benz Forum - View Single Post - Anyone familiar with trunk lock system?
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post #1 of (permalink) Old 03-01-2019, 11:00 PM Thread Starter
Sonnydas
BenzWorld Junior Member
 
Date registered: May 2018
Vehicle: 2005 SL500
Location: Windermere, FL
Posts: 5
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Garage
(Thread Starter)
Thumbs down Anyone familiar with trunk lock system?

So I've had this 66K miles 2005 SL500 for a year now and I love it! Everything works including roof, etc. Issues with it though is trunk lock and I was hoping someone has had same experience and gotten them resolved. Any help would be appreciated!

1: So trunk worked fine when I got the car. Everything from release with remote to emergency release button in trunk to release switch in car worked like they should.

2: After few months I could hear hissing from trunk lock. I read through forums and sealed all the ball bearings on actuator tight where I could see hairline cracks. Reset consumer battery and all was fine for a short while.

3: Next to was switch on drivers door. Bought new switch. Nothing. Just stopped working... Next was trunk release by remote. Just stopped working.

4: Now remote and switch on drivers door doesn't work, but can be opened with the key in fob. Decided to ignore issue till later as I had access to the trunk with key.

5: All of a sudden trunk pops open while driving...

6: I disconnected power lines from actuator mechanism in trunk to stop trunk from popping open while driving. Pneumatic works fine as pull down works consistently.

Consumer battery is new and works fine for all other systems. I trickle charge to full once every other week or if car is not driven for 2 or more days. No issue with battery just want to keep it healthy. Battery charge controller behind trunk lining near battery is good. Charge controller relays are also good. Pneumatic pump is fine as locks are good and I always keep seat bolster dials to '0' so no air leaks from pneumatic system on seat as they have usual leaking bolster inflator bags.

Any ideas anyone?
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