2004 Mercedes-Benz SL
Key Replacement - Save vs Dealer in Ventura County
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2004 Mercedes-Benz SL
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2004 Mercedes-Benz SL Remote Head Key Replacement - Fast, Affordable & Professional
Got a call from someone near Montecito Village Grocery in Montecito. His 2004 SL500 had been sitting in a parking spot for two days because the key just stopped turning in the EIS. He would insert it, the dash would light up, but the key physically would not rotate. He thought the steering lock had seized.
I pulled up and tried his key. Dead feel. No rotation at all. Plugged my Star-level diagnostic tool into the OBD port and read the EIS. The module was seeing the key insert but failing the infrared handshake. The IR window on the key head had a haze on it, and the CR2025 inside was reading 2.6 volts, well below the 3-volt spec these keys need for a clean IR signal.
Fresh CR2025, cleaned the IR lens on both the key and the EIS receiver slot. Key turned on the first try. Engine fired and the "Key not recognized" message on the COMAND cleared itself.
He had already called the dealer in Santa Barbara. They told him the EIS module might need replacement and that the car had to be towed in. That would have meant pulling the entire steering column electronics, ordering a new N73 module, and waiting for a virgin EIS to be coded. Weeks, easily.
His was a dead battery in a fob. Took me about twenty minutes on site.
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“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”
“We had one broken key for our Honda Civic and one working key for our Lexus. Tim came out and cut three remote car keys at a great price. All keys worked perfectly. Professional, courteous, and highly recommended.”
“Tim was GREAT. I honestly swear he must have had my keys made before he even showed up. The entire process was insanely fast, from the initial phone call to having the keys in my hand. No one will beat the pricing, efficiency, or outstanding service.”
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