Mercedes-Benz began setting up auxiliary batteries from the early 2000s. These batteries are more compact than the main starter battery, often referred to as capacitors due to their measurement.
Stay clear of a terminal brief. Probably An important detail to recall throughout a Mercedes battery substitute is to stop Get hold of amongst the battery’s beneficial and damaging terminals. Also, the positive contact of the battery mustn’t make connection with any metallic portions of the car.
Glance under the passenger footwell or trunk (depending on the product) and inspect the battery. Look for:
Frequent concerns include growing old batteries‚ faulty alternators‚ parasitic drains‚ and unfastened connections. These issues might cause the “12V Battery: See Owner’s Manual” warning and involve prompt notice to prevent even further hurt.
The main issue to recollect is that you will have to manually set the transmission to ‘Park’ before you decide to swap off the engine. Also, in advance of leaving the automobile, implement the electrical parking brake.
The most obvious signal? That auxiliary battery malfunction warning. It may also set off Check out engine lights or other fault codes.
Though they cannot begin the engine, They're essential for keeping electrical balance and supporting significant-tech characteristics in fashionable vehicles.
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There are some methods you usually takes, depending on the condition of your respective battery and also the applications you've got at hand. Permit’s dive into them.
One of The main features of the auxiliary battery is to operate the equipment change selector once the primary motor vehicle battery dies.
Magnus Offerén is actually a Accredited automotive diagnostic technician along with the founding father of Mechanic Base. Mercedes Auxiliary Battery Malfunction With in excess of ten years of arms-on knowledge repairing and diagnosing vehicles, he writes useful, knowledge-centered guides to help you motorists take care of issues the proper way.
After examining this site post, you'll want to now pay attention to the auxiliary battery and why you should not dismiss the issue. You ought to normally make sure to Test the two your batteries consistently and substitute them when important to keep away from challenges.
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Considering that There exists an auxiliary battery, you'll be able to nonetheless change to Park even though the primary battery dies. This is a protection attribute.