E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

E450 Battery

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Old 04-22-2021, 12:02 PM
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2021 e450
E450 Battery

We have a new MB 2021 E450 cabriolet. Nice car. The battery is in the trunk but there is what appears to be an odd shaped positive terminal with a slide cover under the hood. Is that what it is? If I want to attach a battery tender for long term storage do I connect to that positive terminal and then just attach to any bolt for the negative terminal?
Old 04-22-2021, 01:27 PM
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Old 04-22-2021, 05:49 PM
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2021 e450
Thank you. Helpful response but will I be OK to use a battery tender ( hooked up as your response showed) for a 6 month storage period? It's not a trickle charger. It detects discharge and turns on to recharge, then turns off. Will this work on m y E450?

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