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Not all cars have their batteries located under the hood where their engines are for a number of reasons. Car brands commonly known for doing this are Mercedes-Benz, BMW, Volvo, Audi, Land Rover, Chrysler, Jeep, Dodge and others. We’ll be looking at the reasons why and it’s benefits to the car and the driver.
Weight Distribution
Putting the main battery in the boot shifts a bit of weight to the back especially in Rear Wheel Drive cars like Mercedes and Dodge cars that are commonly Rear Wheel or All Wheel Drive giving it a 50 – 50 weight distribution between the front and back wheels. This improves handling and traction.
Temperature
Batteries last much longer as they stay away from extreme temperature swings in the engine compartment. Also the battery cables do not corrode as much, if at all when not under the hood.
Space Management
Many of these car brands comes with high capacity batteries and needs more room. Because there’s no room for the battery under the hood, they are favoured to be located either under the seats or in the trunk of the car.
Collusion Management
Not confirmed but very likely, during a head on collision which are more common, the car computers still need to be running. When an impact begins the car’s computer will start to close the windows and sunroof, applying full braking force regardless of driver input and flashing the hazard lights and newer models will play a special sound through the stereo which will reduce your risk of hearing damage. All these needs the battery to work and it makes sense to keep the battery away from collusion that will damage it.
