Can this battery fit s550 2010

This battery will fit all 2010 S550 models

Will this fit 2004 E320 basic sedan rwd And when will be available if backordered

This will fit all Mercedes E320 models from 1998-2009

What is the Ah for this battery?

The Ah for this batter is as follows: 20Hr Nominal Capacity (Ah): 94. 10Hr Nominal Capacity (Ah): 85

Would this work for E350 4Matic 2008 Mercedes (w211 chassis)

Unfortunately, this will not fit your 2008 E350.

I'm confused with this not being the applicable battery for the W211 E55. Does this battery fit the W211 E55?

This battery will not fit in the factory tray of a W211 E55 AMG.

Will this battery fit my 2014 E350? And will it need to be coded by the dealer like a BMW battery?

If your primary battery is a group 49, then it will fit. Some variants of E350 used a group 48 battery size

Will this Battery fit my 2012 Mercedes Benz GL-450?

yes

What are "MAP" items?

"Minimum advertised price". This is for products with strict resale agreements from manufacturers who do not want their products to be advertised below a set price.

I have original BMW battery for 2014 BMW 535dx Drive, 12V, 105Ah,950A, 205RC, 950CCA, "AGM". Does the Odyssey require coding to install?

Any time you replace a battery in a modern BMW with an IBS you are required to code the car for the battery exchange. Even if the battery is the same specification it is required.

will this battery work outright without doing anything on my 2006 mercedes benz e350 ?

This battery will fit, sorry for the confusion. A group 48 battery is smaller however it will fit and function perfectly.