Genuine 000000004039 Vehicle Battery - Auxiliary

Mercedes-Benz Auxiliary Battery Replacement

This Genuine auxiliary vehicle battery is a direct-fit replacement for select Mercedes-Benz models that use a 1.2AH back-up battery. It is listed for auxiliary battery applications, not the starter battery, and is used in vehicles such as the Mercedes-Benz S550, ML350, and GL450.

Key Features

• Genuine replacement part for auxiliary battery applications
• 1.2AH capacity for back-up battery use
• Fits vehicles with auxiliary battery placement
• Correct for models without Eco Stop/Start Function Code B03 where noted
• Part number 000000004039 for identification and ordering

Fitment Details

• Fits 2012 Mercedes-Benz CL550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz CL600, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz CL63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz CL65 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz CLS550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz CLS63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz GL450, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz GL550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz ML350, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz R350, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz S350, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz S400, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz S550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz S600, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz S63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2012 Mercedes-Benz S65 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; w/o Eco Stop/Start Function Code B03
• Fits 2007-2011 Mercedes-Benz CL550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2011 Mercedes-Benz CL600, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2008-2011 Mercedes-Benz CL63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2008-2011 Mercedes-Benz CL65 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2011 Mercedes-Benz GL450, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2008-2011 Mercedes-Benz GL550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2006-2011 Mercedes-Benz ML350, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2008-2011 Mercedes-Benz ML550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2011 Mercedes-Benz ML63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2006-2011 Mercedes-Benz R350, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2010-2011 Mercedes-Benz S400, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2009-2011 Mercedes-Benz S550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2009-2011 Mercedes-Benz S600, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2009-2011 Mercedes-Benz S63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2009-2011 Mercedes-Benz S65 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2009 Mercedes-Benz GL320, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2009 Mercedes-Benz ML320, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2009 Mercedes-Benz R320, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007-2008 Mercedes-Benz S550, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; NOT THE STARTER BATTERY
• Fits 2007-2008 Mercedes-Benz S600, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; NOT THE STARTER BATTERY
• Fits 2008 Mercedes-Benz S63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; NOT THE STARTER BATTERY
• Fits 2007-2008 Mercedes-Benz S65 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery; NOT THE STARTER BATTERY
• Fits 2006-2007 Mercedes-Benz ML500, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2006-2007 Mercedes-Benz R500, Auxiliary; 1.2AH; Auxiliary; Back-up Battery
• Fits 2007 Mercedes-Benz R63 AMG, Auxiliary; 1.2AH; Auxiliary; Back-up Battery

What This Battery Helps Address

• Auxiliary battery warning messages on Mercedes-Benz models
• Loss of back-up power for electrical memory functions
• Starting or system faults related to a weak auxiliary battery
• Electrical instability in vehicles that use a separate back-up battery
• Replacement needs for the Mercedes-Benz auxiliary battery 000000004039

Installation Notes

Confirm the vehicle uses an auxiliary 1.2AH back-up battery before ordering. This part is listed for auxiliary battery locations only and should not be used as the starter battery. Verify the model year, engine package, and notes such as w/o Eco Stop/Start Function Code B03 or NOT THE STARTER BATTERY before installation.

Quality Assurance

Genuine parts are specified to match the original application requirements for the listed Mercedes-Benz vehicles. This part cross-references no additional part numbers in the provided data.