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The siren itself has an internal backup battery. When that goes the alarm will start to act up...
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SOLD
2002 C32 AMG Sedan [132,000 Miles]
Clear Side Markers | CL Style Grille | Flat Emblem | CF Front Lip Spoiler | CF Rear Diffuser | CF Trunk Spoiler
K&N Air Filters | NGK IX (2 Step) | KV-85 | 185MM EUROCHARGED | TVT Thermostat | PSK Belt Wrap
Johnson CM30 | DIY Intercooler Isolation | 26x7x2 FB H/E | A/F & PSI Pillar
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