How to Replace the Battery in a Mercedes-Benz C63 Two-Door Coupe Key?
2 Answers
Slide open the flap at the back end of the Mercedes-Benz C63 key, remove the mechanical key, and insert the mechanical key into the slot at the flap position. Apply slight force, and the back cover will pop open. Take out the depleted old battery, replace it with a new one, close the back cover, and the key battery replacement is complete. Below is some related information about the Mercedes-Benz C-Class: 1. Introduction to the Mercedes-Benz C-Class: The C-Class is the best-selling model in the Mercedes-Benz lineup and offers the most comprehensive range of variants among all Mercedes-Benz series. 2. Advantages of the Mercedes-Benz C-Class: The new C-Class sedan is equipped with an active safety system, intelligent lighting system, preventive safety system, passenger safety protection system, and rescue tools, making it exceptionally comfortable, refined, practical, and safe. The C-Class sedan can take several measures based on the type and severity of an accident: automatically shutting off the engine and cutting off the fuel supply. The hazard warning lights and emergency interior lights are automatically activated, and if necessary, the side windows are partially lowered, and the doors are automatically unlocked.
I've always enjoyed replacing my car key batteries myself. The key for the Mercedes-Benz C63 coupe usually has a cleverly designed latch. You'll first need to locate the small button or groove on the back of the key and gently pry it open. Use a small plastic tool or an old credit card to apply gradual force along the seam, avoiding metal objects to prevent damage to the internal circuitry. When removing the old battery, pay attention to the model—it's most likely a CR2025 coin cell. After removal, check the positive and negative positions to avoid installing the new battery backwards. Once the new battery is in place, ensure good contact and close the case until you hear a click, indicating it's properly secured. Then test the remote locking and unlocking functions to confirm they're working normally. If you're unsure about the battery type, check the owner's manual or the label on the key. Doing it yourself only costs a few dollars for the battery, saving you hundreds compared to a dealership visit. By the way, old batteries in car keys may leak over time, so regular checks can prevent sudden failures. Keep a few spare batteries in your toolkit for emergencies. The DIY process is simple, fun, and helps you get familiar with your car's details.
