To replace the battery in a 2004 Mercedes-Benz S500, first, ensure the vehicle is turned off and the keys are removed. Open the trunk and locate the battery; it is usually found on the right side. Remove the negative terminal (black cable) first, followed by the positive terminal (red cable). Then, unfasten any securing brackets, lift out the old battery, and install the new one by reversing the process—attaching the positive terminal first, then the negative.
The battery is in the boot
Either under the seat or in the trunk.....
Weak battery in fob?
You can get a 2004 Mercedes-Benz fuse panel diagram at most Mercedes-Benz dealerships. You can also get the diagram from Mercedes-Benz service manuals.
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The 2004 Mercedes-Benz S-Class has a V8 engine.
The 2004 Mercedes-Benz SL-Class has 24 valves.
The 2004 Mercedes-Benz M-Class has a V6 engine.
The 2004 Mercedes-Benz C-Class has 16 valves.
The 2004 Mercedes-Benz G-Class has 24 valves.
The 2004 Mercedes-Benz E-Class has 18 valves.
The 2004 Mercedes-Benz G-Class has a V8 engine.