Where is the auxiliary battery of the Mercedes-Benz C200L located?

2 Answers
Irene
07/24/25 3:10am
The auxiliary battery of the Mercedes-Benz C200L is located under the footwell on the passenger side. The auxiliary battery of this vehicle is replaced by a parking brake claw capacitor instead of a small battery. When there is an issue with the auxiliary battery, an indicator light will illuminate on the vehicle's instrument cluster, indicating an auxiliary battery fault. The Mercedes-Benz C200L is a mid-size car under the Mercedes-Benz brand, with dimensions of 4783mm in length, 1810mm in width, and 1442mm in height, and a wheelbase of 2920mm. In terms of safety features, the car is equipped with head airbags, side airbags, knee airbags, rear seatbelt airbags, pedestrian airbags, a passenger airbag switch, child seat interfaces, a tire pressure monitoring system, the ability to continue driving with zero tire pressure, and a seatbelt reminder, among others.
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DeCamila
08/10/25 10:46pm
As someone who has driven a Mercedes for several years, let me share some experience. The auxiliary battery of the Mercedes C200L is usually located in the trunk, either behind the right-side lining or under the floor panel. You'll need to lift the carpet or check the spare tire area to find it. This small but crucial component mainly supports the auto start-stop system. Don't expect to find it in the main engine compartment—that's where the main battery is. If the battery is aging, you'll noticeably feel strain during startup, and the dashboard might display a warning light. When handling it yourself, ensure safety by turning off the ignition, wearing gloves to avoid electric shock. If you can't locate it, it's best to consult a professional technician—Mercedes' electrical systems are intricately designed, so avoid causing damage. Remember to regularly check the battery's condition, especially as it ages, to ensure smooth startups.
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