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I cannot find the main battery in my 2018 S560. I removed the trunk liner and there is definitely a Battery Tray on the trunk floor pan .....but NO BATTERY. I can see what looks like a large black grounding cable coming out of the left rear quarter panel liner in the trunk - the battery might be located behind that panel. There is also the possibility the battery is located in the back of the right rear passenger seat back (also accessible from the trunk if I removed that trunk liner). I believe the location of the battery may have been changed on production AFTER November 2017. My vehicle was produced in April 2018.
The battery is very large (huge) and sits nearly underneath the rear seats. To access it you need to unscrew and remove the two black tabs bolted to the floor nearest the rear seats (that hold the floor to the car) and then pull the entire trunk floor out. You may need to remove the trunk liner also to get access.
The battery is very large (huge) and sits nearly underneath the rear seats. To access it you need to unscrew and remove the two black tabs bolted to the floor nearest the rear seats (that hold the floor to the car) and then pull the entire trunk floor out. You may need to remove the trunk liner also to get access.
Thank you !!!!! Found it...and yes, it is VERY huge.
Not sure why the 2019 and/or extended wheelbase (Maybach) S560 is different than the 2018 standard wheelbase S560, but the starter battery is veryeasy to access.
Remove 2 screws on the net holddowns in the back on the trunk floor.
Remove the trunk floor.
Remove the 2 push-pins at the threshold plate.
Remove the threshold plate.
Remove the trunk well.
FYI - for anyone trying to determine exactly which is the correct battery for the Maybach, it is the same as the standard wheelbase W222 S560: 000-982-18-08. I'm documenting this info into this post as EVERY online battery compatiblity tool (including the mbparts.mbusa.com (parts) website) does not list the battery for the Maybach. I spent many hours this morning trying to get a definitive answer on that and the only way to make that determination was to simply examine the OEM (factory) battery installed. That said, it's a Group 49 AGM (H8) 950 CCA. I'm opting to replace it with a Odyssey ODP-AGM49 as my experience is that the Odyssey batteries hold-up for 6-8 years (pure lead plates, not lead-alloy). I prefer either Interstate or Odyssey batteries as they don't cut corners on their internals unlike every other battery made these days (avoid Optima!) Yes, it's a few dollars more but infinitely cheaper than a Mercedes-Benz (Varta) battery. For our operations, the extended service life and peace-of-mind is just a sound business decision.
One more thing...once you replace the starter battery in a late-model W222 (or any modern car), you need to register (reset) the battery management system to recognize the new battery. The BMS counts the engine (re)starting and charge cycles of the battery from new, and adjusts the charging system accordingly. This is not super-critical to do immediately when the battery is replaced, but you should get it registered within the first 1,000 miles to get the maximum life out of your (new) battery. The BMS reset will require a capable OBD programming tool.
Seems like various reasons for the relocated battery based on the information posted by @konigstiger . Just browsing the model designations I see Hybrid cars, AMG cars S600 and as noted the 810 Sound System.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
