hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, 'a9c9057a-8a13-4f71-8285-dca54f8b17a8', {}); Gerry lives in Cincinnati, OH where he works as a data analyst by day and enjoys working on cars in his free time. Step 4 - After you start the car, wait about 3 to 4 minutes for the glow plugs to cut off to get an accurate voltage reading. YOUCANIC is a participant in the Amazon affiliate program. Now enjoy some piece of mind that your remote’s battery is good to go! Loosen the 10mm bolt and disconnect the orange cable that connects to the A/C and power electronic module. Vehicle data, 2. Turn on your multimeter. 03/25/2018 Start the engine if you want to see the voltage with the alternator running. If the battery is reading lower, especially if it's reading lower than 12 volts, consider taking it to an auto store for charge and load testing. A healthy alternator generally will produce 14+ volts. © 2020 iFixit — Licensed under Creative Commons — Privacy — Carefully pry both sides away from each other and you’ll now have access to the CR2032 battery. If it were under 3.0v then I would have happily replaced them. [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(+!![]))/+((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])-[])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!! Take the battery out and use a multimeter to test the voltage. Disconnect the 12-volt battery in the trunk. 1. Use the buttons on the steering wheel to display vehicle speed or temperature on the cluster. When your car won't start the first place to check is the battery. To access the battery voltage turn the key to the 'accessories on' position. Checked all fuses all good. Accessibility, Mercedes W123 Basic Battery and Alternator Test Technique. I have an 02 Mercedes Benz E320 4matic. The meter will now show the volts being produced by the alternator, via the battery. The steps may be different in more modern Mercedes cars (W212). Disable the high voltage system using a professional bi-directional scanner such as Star Diagsnotic or Autel MaxiCOM. If the car will start after you charge up your battery, but not the next time you drive, your alternator may not be properly re-charging it. Reply, If the battery is new only 2 month and the problem is with the starter please feedback, Amjad Hammour - Both of my remote keys tested at 3.08v so I didn’t need to replace them. Insert a flathead screwdriver into the notched opening and pry it open. A good, healthy car battery should have no fewer than 12.6 volts. Mercedes-AMG E 63 4MATIC+: Kraftstoffverbrauch kombiniert: 11,6 l/100 km; CO₂-Emissionen kombiniert: 265 g/km. Mark Puckett - Measure the resistance between the two terminals shown in the picture. Checked all fuses all good. On some Mercedes-Benz models, the … Now press on the logo and pull the key ring end out. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Because of the way lead-acid batteries discharge, it's important that you test the battery after it's been sitting for a period of time to get what's called the 'resting voltage'. This can help you begin to narrow down your problem. . All Rights Reserved. Comparing unloaded and fully loaded voltages can illuminate weak alternator / regulator output. Reconnect your leads to the battery as shown in step 2. © 2020 YOUCANIC a Bohotina LLC company. Set it to the setting shown, which is for measuring 20 volts and under. Be gentle, it doesn’t take much. The reset button is on the side of the cluster. L John, Mar 17, 2016 #7. shine Senior Member. You’ll see the backup key revealed. Usually when mine isn’t I just need to insert the key in the car and it re-syncs. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period. A healthy battery should read about 12.5 volts when the car is off. Unplug the electrical connector from high voltage battery. Disconnect the 12-volt battery in the trunk. Wipe the battery clean and put everything back together, which is the reverse of removal. In this guide, you will learn how to replace the Mercedes-Benz Turbocharger/Supercharger Wastegate Solenoid. [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![])+(!+[]-(!![]))+(!+[]-(!![]))+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]))/+((!+[]+(!![])+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(+!![])+(!+[]+(!![])+!![]+!![])+(!+[]-(!![]))+(!+[]+(!![])-[])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!! Press the Reset button (the bottom button on the side of the instrument binnacle) 3 times, 5. AGM type batteries is what newer Mercedes-Benz cars use. The red lead goes on the positive (+) terminal on your battery, and the black lead goes on the negative (-) terminal. Same for if your lights go dim while driving, or your radio acts up, etc. By continuing to use this site, you are agreeing to our use of cookies. Your car needs a solid 12 volts to start properly. All Rights Reserved. He’s spent over 25 years on domestics + imports alike. When it is started the voltage seems to go down and I took the alternator out and had it tested at advanced autontoday and it … . Check your gauge. Use the steering wheel controls to display the engine temperature on the dash, 4. Mercedes-Benz C-Class W205 vehicles have several fuse panels. Please enable Cookies and reload the page. If you are experiencing problems with your car, we strongly recommend seeking the advice of an auto mechanic that can diagnose your vehicle in a repair shop with the right tools. I remember many years ago smiths made a battery conditioner gauge, did this work on amps and volts, I just can not remember. Both of my remote keys tested at 3.08v so I didn’t need to replace them. It's very easy to do some basic testing to see if your battery and/or alternator are working properly.

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