I am at a total loss for what going on here, especially after reading all the other related threads.. 98 CLK battery dies in a 48hours if the car is not driven, I think the Battery is a Exide al though its never given me any problem before but here are the sypmtoms i am having.
1. The Alarm system stop flashing when locked remotely.
2. The remote trunk switch in the console stays lit, but the light and the alarm problem go away if i put even the slightest pressure on the right left side of the trunk. I mean i can literally set a can of soda there and problem solved.
Oddly, can this run the battery down?

Could it be one of those rubber covered contacts or sensors in the trunk. While driving i can see the light on the swith flicker but i have no idea how to adjust or replace them?

Please help!..i has set the world record for jump starting a CLK in the last few months

If your trunklight stays on, it will surely kill the battery in 48 hours.
Can you adjust ( screw them in 1 or 2 turns ) the little rubber stops, so the warning light goes off?

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2007 C 230 Sport.

Thanks for the reply, although unless i need to remove the inner panels in the trunk, there does not appear to be any screws or adjustment on the surface. My nieghbor also suggested that adjust the locking hook, but im sure he was just theorizing.....is there a reference i can use?

Are you sure there are no rubber " legs " on the trunklid ?
One on each side ?

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2007 C 230 Sport.

i will check it out and let you tomorrow........i may have overlook the trunklid and focused on the body

When you buy a new battery......avoid exide like the plague....they go out of their way to avoid making good on warranties.....I spent 5 hours and trips to 8 dealers before I shamed one into replacing an 8 month old battery that wouldn't hold a charge.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

Exides are just fine. They've been around longer than anybody else. Same company as Autolite. And they almost always make good on the warranty... it's the retail store or dealer that may be a pain about it.