Responders who train on dealing with gasoline-electric hybrids and the newer electric plug-ins are familiar with high-voltage batteries. Every hybrid and electric vehicle has at least one. What we were used to was that these HV batteries were typically near the rear of the vehicle; trunk or rear hatchback area. Then, with the Saturn and other GM hybrids, we got used to having the high-voltage battery beneath the second row seat sort of inside the vehicle.
NOW, we have a new situation. Mercedes has introduced their new 2012 E-class hybrid. It has rear badging; E300 BLUETEC along the left side trunk lid and HYBRID along the right side. Unlike anything we have had thus far, the high-voltage battery for this car is under the hood. it is tucked into the engine compartment area, along the firewall, on the right side.
This is a first for us. The first HV battery under the hood. Make a note of it...
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02-16-2012, 01:05 AM #1
First High-Voltage Battery 'Up Front'
02-16-2012, 08:22 AM #2
Any pictures of it? Just for a reference as to where exactly it is?
02-16-2012, 11:20 AM #3
The thin Silver 'box' along the right side of the engine compartment at the firewall area is the high-voltage battery. In this photo, the black cover has been removed to show the battery itself. If you just raised the hood, you would not see the silver battery container, but you would see the labels along the front radiator cowl and the HV orange cables on the right side.
02-16-2012, 11:32 AM #4
I had an opportunity to see an actual cut-away view of the Mercedes high-voltage battery outside of the vehicle. It is sitting on a bench in this photo. The cut-away shows that Mercedes is using the cylinder-shaped lithium-ion cells inside their battery case.
This is the smallest high-voltage battery that I know of in any hybrid or electric plug-in vehicle in the North America. I did not have a tape measure with me so I placed the notebook that I was using beside this unit to try to estimate its size.
First image is a close-up of the battery and the cells.
Second image is my small notebook next to the battery for comparison. The notebook measures 6 & 1/2-inches x 9 & 1/2-inches.
02-16-2012, 11:39 AM #5
Here is the battery in place within the engine compartment as a close-up shot.
02-18-2012, 07:52 AM #6
- Join Date
- Jan 2007
Great post thanks for sharing this, that is definitely something to be aware of
02-19-2012, 01:47 PM #7
- Join Date
- Mar 2006
- Southern California
Thanks for the update Ron."Be LOUD, Be PROUD..... It just might save your can someday when goin' through an intersection!!!!!"
Life on the Truck (Quint) is good.....
Eat til you're sleepy..... Sleep til you're hungry..... And repeat.....
03-10-2012, 10:14 PM #8
The Crash Recovery System(CRS) software provides us with a graphic example of the location of the high-voltage battery up within the engine compartment of the 2012 Mercedes hybrid. CRS also shows other important items; airbag stored gas inflators, Boron steel, etc. Thanks to Jorg Heck at Moditech for allowing me to use the screen shot of the Mercedes.
08-22-2012, 12:37 AM #9
- Join Date
- Apr 2002
- Vancouver Canada
Cool post. Thanks Ron
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