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MERCEDES-BENZ AUXILIARY BATTERY (2007-2023) OE 000000004039
MERCEDES-BENZ AUXILIARY BATTERY (2007-2023) OE 000000004039
SKU:000000004039
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Mercedes-Benz Auxiliary Battery (2007–2023) – OE# 000000004039
Ensure reliable electrical support for your Mercedes-Benz with this genuine OEM Auxiliary Battery. Specifically designed to power essential vehicle systems when the engine is off, this battery maintains functions such as electronic gear selectors, start-stop systems, safety features, and convenience electronics.
OEM Part Number: 000000004039
Compatibility: Select Mercedes-Benz models from 2007 to 2023 (including E-Class, S-Class, CLS, GL, GLE, ML, GLK, GLC, and others – confirm fitment by VIN or application list).
Key Features:
Genuine OE quality – direct replacement for the original part, engineered to meet strict Mercedes-Benz specifications
Reliable power support – maintains critical electrical systems during engine-off operation and supports seamless start-stop functionality
Long-lasting performance – built for durability and tested for dependable output in all driving conditions
Plug-and-play installation – no modifications required; installs easily in the factory battery tray or auxiliary battery housing
Replaces or Supersedes:
000000004039
A000000004039
Note: The auxiliary battery is separate from the main starter battery and is essential for proper functioning of various control modules. A faulty auxiliary battery can cause system warnings or disabled features.
Please confirm the size of your battery this battery is very small.
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