First, you have to pull down on the silver, square-shaped tab on the bottom of the key. Pull until it releases. Once you separate the tab, you’ll see a small gap in the fob. Push the key into the narrow and flat end of the fob to open the key cover.
Moreover, how do you change Mercedes key battery?
Likewise, how do you open a Mercedes when key doesn’t work? Insert the key into the ignition. Quickly remove key from ignition and within 10 seconds hold down the lock button. Continue holding the lock button, and at the same time press, the unlock button five times. Next release all buttons and press the gate/trunk button one time.
Also know, can a locksmith make a key for a Mercedes? A mobile locksmith is the best when it comes to both price and convenience. … For the most part, locksmiths should be able to help you replace or duplicate your Mercedes-Benz key at a better price than a dealership, in part because they should be up to date with the skills and equipment required.
Furthermore, can you start a Mercedes with the blade key? How to Start a Mercedes–Benz with a Metal Key. … To unlock the door, remove the metal blade key from your Mercedes-Benz key fob. Use it to manually unlock your Mercedes-Benz. Fair warning, the alarm will go off when you manually open the driver’s door, but there’s no need to worry.
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How much does it cost to replace Mercedes key?
Typically a Mercedes key replacement will cost between $225 and $389 depending on the exact model and year your Mercedes was manufactured. Since an automotive locksmith’s focus is car key replacement, they keep a large stock of key blanks so you do not have to wait for any parts to arrive.
How long should a Mercedes key battery last?
Although three to four years is a good “safe” estimate, some key fob batteries may last for up to ten years before they require replacement. To maximize the battery life of your key fob, keep these tips in mind: Don’t keep your key fob in the vehicle overnight.
What kind of battery does my Mercedes key need?
A SmartKey® requires two CR 2025 batteries, and the older Chrome Key does too. The newer Chrome Key only requires one.
How do you open a Mercedes door with a dead battery?
What do I do if my key won’t turn in the ignition?
- Wiggle the Steering Wheel to Unlock the Ignition.
- Check the Gear Shift.
- Is the Battery Dead?
- Try the Spare Key to Turn the Ignition.
- Use a Silicon Based Spray in the Lock.
- Jiggle the Key in the Ignition.
- Hit It.
- Hire a local automotive locksmith to come out and fix it.
Why does my Mercedes say key not detected?
The most common reasons why a car won’t detect the key fob are: Keyfob Battery – The battery inside your key fob is dead or too weak. … Weak car battery – The car battery is partially discharged and can prevent the immobilizer module from working. Charge the car battery or replace it if necessary.
Can I drive my Mercedes without key?
Mercedes KEYLESS START®: With KEYLESS START®, you can step on the brake or press the Start/Stop button on the dashboard to start your car—no key required. This feature comes standard across the Mercedes-Benz lineup.
What happens if I lost my Mercedes key?
To order a spare or replacement key, you must visit your local authorized Mercedes-Benz dealership in person. The key must be pre-paid and the following documentation must be provided: original copy of vehicle registration and vehicle owner driver’s license, passport or identity card.
How long does it take to get a new Mercedes key?
A: The process for a new Mercedes key or fob, can take up to two days to complete. That depends on how many keys are already programmed into the system. If you had one or two keys and they both lost, then the dealer should be able to program you a new key within an hour or two.
Can I start my Mercedes with my phone?
Smartphone ready SmartKey Starter® is available with smartphone integration. Use an iPhone or Android smartphone to start your Mercedes-Benz, operate the door locks, or control a variety of aftermarket alarm systems remotely.