How To Reset Mercedes Computer After Battery Change?

Follow these steps to clear the ESP warning: Start your Mercedes-Benz engine. Hold the steering wheel completely to the left for two seconds. Turn the steering wheel to the right completely and hold it there for two seconds. Repeat the process once more. Turn the vehicle off and on again.

Similarly, How do you reset a Mercedes after replacing the battery?

Follow these steps to clear the ESP warning: Start your Mercedes-Benz engine. Hold the steering wheel completely to the left for two seconds. Turn the steering wheel to the right completely and hold it there for two seconds. Repeat the process once more. Turn the vehicle off and on again.

Also, it is asked, Do you have to reset car computer after replacing battery?

There is no need to reset the computer per se, but if you have any error codes that suggest a problem, you should have a professional technician evaluate the check engine light.

Secondly, How do I reset my Mercedes computer?

Does the following work? Turn the ignition key to the on position (not the start position). Press and hold the gas pedal to the floor for five seconds. Release the gas pedal after turning the key to the “off” position (do not remove the key). Allow two minutes for the ECU to reset.

Also, How do I reset my car after replacing the battery?

Simply follow these simple steps to reset your car: For two to three minutes, disconnect the battery cable. Start the automobile after reconnecting the battery. Allow the engine control systems to detect any possible faults by driving the automobile for at least 10 kilometers.

People also ask, How do I reset my Mercedes ignition?

Resetting a Mercedes Key Place your Mercedes-Benz key in the ignition of your car while it is switched off to reset it. Continue to hold the “lock” button down while pulling the key out of the ignition. Push down on the “unlock” button with another finger five times in a row.

Related Questions and Answers

How do you reset the battery on a Mercedes workshop?

Allow the automobile to run for 10 to 15 minutes. Then, after around 30 seconds, switch off the automobile, making sure all the lights are out and nothing is on. After that, restart your automobile.

How long do you disconnect battery to reset computer?

Because some electrical current is retained in the computer for a period of time thereafter, most sources suggest keeping the battery unplugged for at least 15 minutes before reconnecting it to ensure the computer forgets the code.

How long do you need to disconnect car battery to reset computer?

How Long Does It Take To Reset A Computer After Disconnecting The Car Battery? Almost all sources advise keeping the battery off for at least 15 minutes before reconnecting it to ensure that the code isn’t left behind, since some electrical current stays in the computer for a length of time thereafter.

Where is reset button on Mercedes?

To the left of the instrument panel, look for the trip odometer reset button. Hold the reset button down for a few seconds until the message appears on the screen “Would you want to change the service interval? Use the R-button to confirm.” Once the phrase displays, release the button.

Will disconnecting the battery reset ECU?

A. It depends on the age of the vehicle and the kind of ECU utilized. Disconnecting the battery will reset the system in certain older vehicles, but it will do nothing in most modern cars except maybe reset the clock and radio station settings.

How long does it take for a car computer to reset itself?

The car’s internal computer only resets after a certain amount of time has passed and it has checked all of its sensors again. After 10 to 20 cycles, the reset may occur automatically. A cycle is a period in which you start and stop your automobile. You’ll have to drive 50 to 100 miles in various automobiles before it resets.

Will touching battery cables together to reset computer?

When you connect the battery connections and drain the capacitors, the clock loses its memory, the radio stations must be reset, the error codes must be erased, the outside temperature may take some time to relearn, any security systems must be reset, and the computer must

Why does my key fob not work after replacing battery Mercedes?

When a Mercedes key fob doesn’t function, it’s usually because the key is broken, the All Activity Module (AAM) doesn’t recognize the key signal, or the antenna is broken. If you need a new battery, keep in mind that Mercedes-Benz utilizes CR2025 batteries.

How do you unlock a Mercedes ignition?

Insert the key and attempt to turn it again after pushing the steering wheel in the direction that enables a little movement. You may use your hands to apply pressure on the steering wheel and shake it. Insert the key into the ignition and spin the key while doing so.

What does visit Workshop mean on Mercedes?

The first is the noticeVisit Workshop!” which simply says it’s time for you to get your next servicing. The second message is an image of a vehicle with an arrow pointing up, which indicates that your Airmatic suspension is not working properly.

What does orange battery light mean on Mercedes?

Battery Charge Warning Light on Mercedes-Benz The battery is not charging, as shown by this indicator. This might be the result of an issue with your vehicle’s electrical system, which could be caused by a broken alternator, battery, improper electrical connection, or damaged cabling.

What does it mean when a red battery light comes on Mercedes Benz?

a problem with charging

How can I reboot my computer?

Select Settings > Update & Security > Recovery from the drop-down menu. A title that reads “Reset this PC” should appear. Then choose Get Started. Keep My Files or Remove Everything are the options. The former restores your basic settings and eliminates removed software such as browsers while leaving your data untouched.

How do I reset my ECU battery?

How To Reset A Computer After Disconnecting A Car Battery Look beneath the hood for the battery. Choose the correct socket. Remove the battery’s negative terminal. Unplug the positive terminal of the battery. The battery in your car has now been disconnected and is ready to reboot a computer.

Which battery cable do you disconnect to reset the computer?

With a combination wrench, disconnect the negative and positive battery cables. With the post and terminal cleaning tool, clean the battery posts and terminals to ensure a proper connection when you’re through.

Where is the reset button on a Mercedes-Benz gl450?

For earlier model years, the sequence was the same or comparable. Place the ignition key in the ignition. On the display, press the left or right menu button until the mileage appears on the screen. Three times fast press the “Reset” button. Up or down the arrows until the service menu shows on the screen.

How do I reset Mercedes service exceeded?

Press any of the steering wheel’s top buttons (arrows) until the FSS indication shows. For 2, 4 seconds, press the R button on the instrument cluster. The screen reads: WOULD YOU LIKE TO RESET YOUR SERVICE INTERVAL? PRESS R TO CONFIRM. Hold down the R button on the instrument cluster until the signal sounds.

How do you reset a Mercedes limp mode?

If you’re far from home and your transmission is stuck in gear, try the following: Pull over and switch off the engine. Take out the key. Do not use the gas pedal or any other automotive controls. Please wait 20 seconds. To determine whether the automobile is out of limp mode, start it and drive it.

How do you know if your ECU is bad?

The following are the most prevalent signs of a failing ECU: Check Engine After resetting, the light remains on. The car was started using reverse polarity. Engine shutting down for no apparent cause. The ECU has been damaged by water or fire. The spark seemed to have died. Injection pulse or fuel pump seems to be missing. Starting issues that come and go. ECU is overheating.

How do I reset my Bosch ECU?

Turn on the ignition without the engine running, open the hood, and remove the battery positive lead before turning off the ignition. Then connect the positive wire to earth, which shuts down all ecus and resets them, removing any intermittent problems. The battery lead should then be connected.

Will Mercedes check engine light reset itself?

Will the check engine light automatically turn off? If the problem or code that caused the check engine light to illuminate is resolved, the check engine light on your Mercedes-Benz will typically turn off. If your check engine light came on because of a loose gas cap, for example, tightening it will turn the light off.

What happens if you connect a battery backwards?

The battery may explode if the negative terminal is connected to the positive terminal and the positive terminal is connected to the negative terminal. This is true for both the battery being charged and the battery being charged from another vehicle.

How do I reprogram my key fob after replacing my battery?

To program a key fob at home, follow these steps: In the key fobs, replace the batteries. Enter the vehicle. Turn the key in the ignition. On the remote key, press the lock button. A Lock Sound should be heard. Additional remotes to program Remove the key from the ignition. Exit your vehicle and check the outcome.


The “how do you reset a mercedes after replacing the battery” is a question that many people have been asking. There are several steps that need to be followed in order to successfully reset your Mercedes computer.

This Video Should Help:

If you have a Mercedes vehicle, and the battery needs to be changed, it is important that you reset your computer after the battery change. Reference: mercedes w211 battery reset.

Related Tags

  • mercedes problems after battery replacement
  • reset computer after battery change
  • mercedes won’t start after replacing battery
  • mercedes-benz battery replacement instructions
  • mercedes battery registration

Similar Posts