Your Mercedes-Benz C 240 alternator is responsible for charging your car’s battery. Located on your engine, alternators spin to generate electricity, which interacts with voltage regulators to provide the correct amount of current to your vehicle. It delivers roughly 13.6 to 14.6 volts while the engine is running.
Also, how many volts should a Mercedes battery have? A: A fully charged battery should measure around 12.6 volts or above. When the engine is running, your battery should clock in at somewhere between 13.7 and 14.7 volts.
Also know, how do you check the voltage on a Mercedes C Class battery?
People also ask, how do you check the voltage on a Mercedes battery? To access the battery voltage turn the key to the ‘accessories on’ position. Press and hold the phone button, then the ‘OK’ button on the steering wheel. Looking at the service menu, scroll through the options until you see vehicle data. Then select ‘battery voltage.
Likewise, what kind of battery does Mercedes use? The majority of models from the automaker are equipped with an AGM H8 battery. As you shop around for a replacement battery, it should probably be a Group 49 AGM battery. The best batteries for a Mercedes-Benz are generally the absorbed glass mat (AGM), which offer high accessory load for vehicles in this class.This voltage range means the battery is in good condition for starting the vehicle. If the measured reading is less than 12.2 volts, the battery’s resting voltage is weak, which means it most likely needs to be charged or replaced.
How many volts should a car battery lose overnight?
If you measure the voltage immediately after the end of a drive, it should be more like 13.2, and drop to 12.7 within a few minutes as the chemical reactions in the battery slow down and stop when you stop charging it.
How do I know if my Mercedes battery is low?
- Headlights brighten when revving the engine.
- Headlights dim when engine is idling.
- Corrosion is visible on car battery cables and terminals.
- Frequent jump-starts needed.
- Takes longer for your Mercedes-Benz to start.
- Learn more signs your Mercedes-Benz car battery is dying.
Does my Mercedes have 2 batteries?
- Some Mercedes models have two batteries, a main starting battery located in the trunk and a secondary smaller battery located under the hood near the windshield on the passenger side of the car. … The charging system for this setup is quite sophisticated to balance the alternators output between the two batteries.
Can you charge Mercedes auxiliary battery?
Mercedes-Benz auxiliary battery is a rechargeable 12V 1.2Ah battery. The alternator charges the auxiliary battery when the engine is running. … If the battery is still good, your only option is to remove the car’s battery and charge it with a 12 Volt Smart Charger, then reinstall.
How long should a Mercedes car battery last?
As with most cars, you can expect to get 4 to 5 years out of your Mercedes-Benz car battery. While this offers a general guideline, your battery life can be impacted by: Weather Extremes: Hot temperatures can cause your battery’s fluid to evaporate while extreme cold can drain it of its power.
How do you check the voltage on a gl450 battery?
How do you check battery voltage on Mercedes w211?
What are signs of bad battery?
- Dim headlights. If your car battery is failing, it’s not going to be able to fully power your vehicle’s electrical components – including your headlights.
- Clicking sound when you turn the key.
- Slow crank.
- Needing to press on the gas pedal to start.
- Backfiring.
Can you put a regular battery in a Mercedes?
Is it going to work with regular battery yes no problem .
How do you know if your car needs a new battery?
- The engine cranks, but won’t start.
- The engine won’t crank (and the accessories and lights are off)
- You’ve had to jump start your car a lot.
- Your car battery is cracked, swollen or leaking.