Mercedes battery voltage too low. 4 volts on my Transit).

Mercedes battery voltage too low It will dip as low as 13. 9 when stopping for a light, etc. allow me to explain. What is the normal voltage output for the alternator? When I start the car, the voltage goes up to 14. But after a minute or so, the voltage drops to 12. You must check the voltage when cranking. The make and model is a 4. A faulty B+ battery cable running from the alternator to the battery; A defective battery and/or battery cables; A faulty PCM (rare) What are the symptoms of the P0562 code? There are a few noticeable symptoms that come with a P0562 code being stored. Battry voltage is just below 12, Feb 1, 2023 · All that means is that at some point the Battery Voltage supplying the control unit(s) is low. IF the voltage drops below 10 V your battery is loosing reserve capacity. I have about 8500 miles on it in a year. Problem is after connecting the battery tender, everything works fine for 2 minutes (green lights on 12V and AGM/flooded which I assume is the correct battery type, and stable amber led for battery level which means that the battery is charging May 19, 2015 · To access the battery voltage turn the key to the 'accessories on' position. Check Battery Cables; Check/Replace Battery; Check/Replace Generator; Special Notes Oct 28, 2024 · Car was originally started with a jumper pack on main battery who's voltage had dropped to around 11. Oct 21, 2020 · I plugged in my icarsoft tool and found the fault code 9092 G1/7 (Auxiliary Battery) is defective or not installed. 5v dc. Looking at the service menu, scroll through the options until you see vehicle data. Turned off and got a critical battery message 5 minutes later. 20 amp drain being measured by the BCM with car running using a new battery and aux battery should definitely be an alternator problem. I have change the Auxiliary Battery to new one and yet is showing the above code. If you care about the battery the recommended Charger is the CT5 Start Stop. Xentry actually informs the tech to clear all of the codes, wait for a couple hours, and then rescan. On-board electrical system(s) affected. Check the voltage at the light bulb connector too. Jun 11, 2022 · Mercedes-Benz E-Class needs a healthy 12 volt battery for normal operation of the vehicle. when i bought the car, the + battery terminal was loose, so it wasn't receiving a full charge. ) Jan 20, 2017 · "Battery voltage too high", and "Battery voltage too low", indicating that the previous owner had some issues with the battery. Only one hit for the Navi processor does'nt worry me too much. I think (can anyone confirm) that my issue may be that I have the Input Voltage Lockout set too high. May 6, 2024 · The auxiliary battery, also known as the backup battery or secondary battery, serves various purposes in the vehicle, such as powering electronic systems when the main battery is unable to do so. May 4, 2020 · Low voltage sounds like the typical slow drain from the battery. … 3 Depending on the battery condition, the voltage that will allow the engine to turn over changes. 6-12. Nov 9, 2024 · What Should You Do If Your Car Battery Voltage Is Too Low? If your car battery voltage is too low, you should first recharge or replace the battery to avoid vehicle failure. These include: Illumination of the Check Engine light or MIL; Illumination of the Battery light Jun 20, 2018 · I will try to take tension off tonight and check each pulley for wobble, noise, resistance and alignment. 33v (measure inside the engine compartment) before turning on the engine. That seems too low to charge the battery. This video describes how to diagnose the low aux battery message and how to replace the May 13, 2010 · You can turn it off for about a minute and re-crank it and it will go slowly for awhile. Consumers power up ok but the engine won’t crank. , check to see what the battery voltage is. However, the cause of the low voltage can be various things, forcing you to perform a complete diagnosis to figure out what’s wrong. There is no warning inside the car and the car starts up just fine. This seems low to me. Moral of the story: first thing to replace when your car starts acting "funny" is the battery - even if it tests fine. 5 V). It is not possible to disable the message. This morning started the car and the intermittent grumble was back. Cause: ME-SFI control unit; TCM Dec 3, 2023 · This is definitely a known problem. Jul 13, 2022 · Hi folks. com/manualsAsk Car Questions & Get Switched voltage too LOW, and SPN 164 FMI 0 – ICP above KOEO (Key On Engine Off) Spec. Jul 24, 2018 · Battery voltage at 14. 2v dc when the Alternator & VR are working OK. Sep 11, 2021 · It stayed at the level for anywhere from a minute or two to in one case for around 10 minutes. Check for electrical system issues. Oct 11, 2023 · GLC Class (X253) - 12v battery critical - I'm getting a warning message on my Mercedes Me Connect app that the 12v battery is critical. Ran X 10 min- restart showed drop to around 12 then back to 14,7. 0v dc, and cut-out stage 2 is when G1 voltage is below 10. Feb 5, 2018 · A 2004 car will unconditionally give an indication if the top and other consumers have been disabled due to low voltage on the rear battery. Electrical Issues. I thought a fully charged battery should be in the 12. 5V way longer than it was ~15V. Charging voltage after an hours driving, and battery temp at about 20C, settles to 14. How to use a multimeter to check the status of your Mercedes Benz‘s battery. 7v. Jun 24, 2020 · Overall all went well. Shut off eng. and read voltage. They say the car needs to be driven for more time for the battery to be charged. Electrical issues often lead to battery drains in Mercedes vehicles. So, what happens when this battery becomes too weak? Mercedes-Benz CLA – (emirhankaramuk / Shutterstock) Feb 10, 2018 · Tomorrow morning, without starting the eng. Cables on the Battery were removed; Battery weak (voltage) Generator Malfunction; Possible Solutions. Use the digital multimeter to check the battery voltage with the engine off. 3 to 12. It shows P2600 circuit 87 voltage low. If the auxiliary battery becomes discharged, it can often be recharged using an appropriate charger. 75 V is too low, just because the Car Cranks good does not mean that Electronics are happy, some very strange things can happen and I'll bet that if your Car was scanned properly (with SDS) there will be a load of "Low Voltage" Codes in various Modules Jun 27, 2023 · How much voltage does it take to start a car? 1 It’s not voltage that determines whether you can start the car, it’s the starter’s ability to deliver amperage. … Mercedes benz have 2 battery on all of their cars accept on C class. On average, the cost of parts such as a new alternator, voltage regulator, or drive belt can range from $200 to $600. Nov 20, 2015 · That explains a lot of things. it is remotely possible that the low/erratic voltage can damage electronics (SAMs) but hopefully that is not the case. I had the codes ran using a Snap-on box. Jan 13, 2017 · 12. ' Figure 1. 6 to 12. So, what happens when this battery becomes too weak? Mercedes-Benz GLE – (Sergiy Palamarchuk / Shutterstock) Feb 7, 2021 · The LCP module complains about the undervoltage. Low voltage supply to ME-SFI components. Understanding why your Mercedes battery’s draining can save you time and trouble. See my post latter in this thread. Jan 20, 2022 · Buy YOUCANIC Pro Scanner https://www. You would think that the "smart" algorithm would recognise when the battery is getting too low and cut-off the fuel efficiency charging process until the battery has enough charge for a few starts. Jun 18, 2015 · The Mercedes-Benz E-Class batteries do not require maintenance as they are sealed units. Then select 'battery voltage. This does seem particularly low to me and I wondered whether its the early indication of a poorly battery. Let me know if you have any thoughts Nov 9, 2021 · 11. 3V. Slow starting can be attributed to low battery voltage at start-up or a drain on the battery or a faulty Mar 22, 2023 · Left on for days they will boil out the battery acid and warp the plates. A10A - Voltage supply too low A10D - Voltage supply too low 2007 Mercedes Benz C220 Car Dead, Battery Fine. Did you get a 'consumers not operative' warning? Do you not use a rear battery tender? Had the car been sitting for longer than 3 days? Is your battery more than 3 years old? Yes to any of these answers may be the culprit. 8V is about (about) the norm. Apr 14, 2023 · If charging the battery while driving the car, note that the alternator will show 14. 7V, looking at the secret menu voltage UB. Test the battery condition. Fault codes are Voltage Supply Of Component CURRENT and 0868 Motor Electronics/Battery Voltage STORED Too Low For ADC(P0607) 1108 The Voltage At Relay 'Circuit May 7, 2024 · My 2023 Mercedes-Benz glc 4matic pinnacle edition has given me battery low and needs charging notices and has failed to start twice. These codes may be erroneously set, individually or together, if the engine takes an excessive amount of cranking to start, ignition key is cycled too quickly, and/or you are performing a relative compression test. That is for the regular battery in the car, right? Or is there another battery in the car that this is referring Apr 12, 2007 · So measure the voltage across the battery over a few days to see if the voltage drops. Dec 27, 2007 · In addition to driving various subsystems crazy with low voltage readings, an eight year old battery may also kill the alternator and leave you stranded at the worst possible time. Mar 5, 2010 · Cut-out stage 1 is when G1 voltage is below 11. Measured static and idle battery voltage at posts and monitored on instrument cluster Nov 16, 2013 · Probably found the cause of my problem: the main battery has 11. Aug 16, 2022 · The Smart Alternator can reduce the voltage to very near the engine off voltage (around 12. 7 while running, with no drop when revving engine. com/scanner/Get Factory Service Repair Manuals & Specs https://www. Normally it will be about 14. 85, which is very good, from now on, i need to keep it connect it. 8 or more volts to, maybe, 10 or 11 volts DC. youcanic. Come Cost to Fix P0562 Mercedes-Benz. while doing this the voltage drops from 14. The voltage may not change much. B1102 Code - Airbag Battery Voltage Low. 1v. Nov 23, 2009 · NOTE: you can have 12 V and the car still have a bad battery. The AC test can provide an early warning (or confirmation) that one or more diodes are failing or that the voltage regulator is failing. . 4 volts on my Transit). A healthy battery should read around 12. 1v engine off, 14v engine on. P2502 Gear Implausible or trans slipping. On a hunch disconnected the MAF, problem went away instantly, drove car to station without a murmur. Oct 23, 2024 · Inspect Battery Connections: Examine the battery terminals for corrosion or loose connections. The vehicle starts fine, but I noticed the resting voltage at 12. There is a signal fault or the message is faulty. Apr 4, 2016 · -P0607 - Voltage supply of component Motor electronics / Battery voltage too low for ADC A forum community dedicated to Mercedes SLK owners and enthusiasts. What serpentine tool are you referring too? I thought a 17mm 12 pt would release tension on the two tension pulleys. In particular why after about 3 weeks of mainly short trips, I get a dead battery in the morning. 7 for a second or two and then shoots back at 14. Dec 18, 2024 · I had an alternator that died a long slow death. Clean and tighten these connections if necessary. Nov 26, 2010 · The voltage too low is probably a symptom of the battery draining. Feb 23, 2024 · 2. 0 volts and fully charged at 12. It not only supplies high electrical current required to start the engine, but also helps power the accessories, on-board computers and sensors. 3-14. Regarding your charging question: with a battery tender (or other slow speed / maintenance type chargers), the battery does not have to be disconnected. … 2 A known-good battery is “dead” at 12. Unfortunately, the batteries in Mercedes cars don't live long. The low voltage condition with the car turned off must have played havoc with the electroncs. Dec 29, 2019 · Modules can and do shut down at low voltage, which occurs especially when cranking. If the engine is on, you Jul 24, 2019 · Current Drain has to be checked with Earth Lead off battery and ammeter between that and the Battery negative terminal, once connected watch the ammeter for 15 to 20 minutes to allow the car to go to sleep, key out and all doors trunk etc closed but do not lock them (ATA will sense bonnet up). If the LCP and other modules have low battery supply voltages, you will have problems with the proper operation. The Start/Stop function is not working. Recharge the battery. 1 on the main when running, so I know the batteries are (likely) ok. 5 Hits on the Instrument Cluster makes me suspicous. Everything I see in there smacks that the Battery is past it's sell by, or has been low, perhaps due to a Battery drain, see last 2 para's below Oct 20, 2024 · Common Reasons For Battery Drain. Roughly I'd estimate it was at ~15V about 1 minute out of 10. Home Mercedes-BenzP2505 Mercedes-Benz DTC P2505 Make: Mercedes-Benz Code: P2505 Definition: Engine Relay Circuit Voltage Too High or Too Low Description: Battery system affected. Jun 5, 2020 · Your Mercedes 1998/2001 W210 E280 x2 SOLD 2004 W211 E55 SOLD, 2014 E63 Biturbo SOLD . 5. Both my Main battery and Aux battery are less than 6 months old, voltage was 12. The operating conditions for the component or the system are not satisfied. 4V measured on the dash 'Vehicle data'. May 22, 2009 · hey all, So i'm noticing a correlation between my battery running low and the SRS light coming on. this Aug 30, 2010 · Best case is that a new battery will resolve all of this. 05V is too low, but thrn I guess you measured it connected so its not a true reading. I tried replacing voltage regulator, and then the alternator stopped working altogether. Jul 24, 2022 · B1F4500 - The starter battery has excessive resistance B21059A - The capacity of the starter battery is too low. 0104 error code with message" battery voltage too low to terminal 87/2. Sep 15, 2005 · This must have fooled the battery tester at AutoZone and didn't present the classic bad battery symptoms I'm used to. 6- 14. Battery 12. Several factors contribute to this problem, and recognizing them helps you address the issue effectively. 8v when the car is running I suspect the alternator. Red battery warning came on, charging current was 1. If the voltage is too low, a fault code will be set. This is to see if the voltage drop was due to a system drain of the car sitting too long (days) or a legitimate power drain. 8 the whole way no matter When the battery voltage drops below the intended range, “events” will get logged in multiple systems. I started the engine, waited 5' then I turned off the engine and started the auxiliary heating manually and it worked about 3' then stopped by itself (battery voltage too low I presume). 4. 8v when the battery is below 80% capacity, after that the battery management module will reduce the charge level and the alternator voltage will drop to 13. It is easy process on 2007 S-550 to replace Consumer battery in Trunk. 6 AT i did some testing and found out that instrument cluster dim and interior lighting as well while operating power windows or putting high beam on . Turned out there was a little dent in the rim. October 7, 2022 — A Mercedes-Benz battery replacement class action lawsuit alleges numerous models Jun 11, 2022 · Mercedes-Benz CLA needs a healthy 12 volt battery for normal operation of the vehicle. Again there are other methods of measuring for a parasitic drain - measuring the current flow with the vehicle asleep is the best way, but unlocking the car/having the bonnet open will wake the car up and may be misleading. 3 is way too low Mercedes-Benz VIN: WDDSJ4GB5EN075779 I checked my engine data and sure enough the battery voltage was 14. 1 indicates that the Alternator is probably ok too. Fault present in transmission control module. I then recharged the battery with a A0009822921 Mercedes trickle charger (a long drive to allow alternater charge probably would have accomplished the same thing) and now all is well. Get the car ready: To check the voltage of the battery, the engine of your Mercedes Benzmust always be turned off. No signal change: Voltage level is too low U041208 Implausible data were received from control unit "Battery". 4v, but when i connected my charger, the voltage gose to 12. The charging system uses a battery control module to monitor the state of charge and turns on the auxiliary battery by powering the auxiliary battery relay when the system's voltage becomes too low. 8 volts is generally considered dangerously low. The battery voltage is displayed on the cluster. Note that after starting the engine, it will take a few minutes for the voltage regulator on the alternator to stabilize output, but once it does, it should be right at 14v, +/- 0. p0607 - Coltage supply of component motor/battery too low for ADC P2505 - The voltage at relay "circuit 87" is too low p0102 open circuit/ circuit to ground or to positive P0101- the air mass measured by hot film sensor is too high Those are all my active codes. The voltage at relay 'Circuit 87' is too high or too low. Measure the Battery Voltage. My CL500 W215 won’t start. I was told by both technical depts that these AGM batteries need a periodic top up charge. Nov 23, 2020 · Since then I took your advice and purchased a battery tender. Jun 3, 2023 · The battery compartment seems like it would accommodate the next size up battery being an 80 AHr / 800 CCA, which might be a better choice (and cheaper here in Australia). 9A as I recall. The following morning read battery voltage. Batteries provide the essential power to a car’s starter motor, ensuring that the engine fires up when you turn the key or push the start button. Start the vehicle and measure the voltage on the battery terminals again. Symptoms of a P0562 engine code may include: Malfunction Indicator Light On ; Red battery light On; Transmission may not shift Nov 9, 2014 · Let's see if I understand this: Battery is of questionable manufacturer. Oct 10, 2017 · P0560 Voltage supply of component Motor electronics / Battery voltage too low for ADC (P0560) Possible cause: ­ N3/10 (ME­SFI [ME] control unit) Jul 29, 2020 · P13C523 A short-term torque limitation was detected by the knock control. Typically if the key is "temperamental" in the first place, people apply force to turn the smart key, and this makes the matters worse, and turns the intermittent failure a permanent one. Everything described indicates battery failure. - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD Sep 4, 2023 · The next morning I got the low 12V battery for the first time. No red "battery" light lit up on the dash, which in fact tells you that your charging system (alternator & voltage regulator) are faulty and not charging battery when illuminated. I have replaced both batteries but still no joy. Jan 31, 2010 · Where a starter battery is in the boot,,there will always be a lower voltage on the starter than a car with the battery up front as you have some 3 meters of battery cable, and the PD must be greater Good point by jberks is that the consumers off was not mentioned, and that comes on when the rear battery is 11. 4 engine on. At the last visit to the dealer, they recommended that I replace the battery (because of its age, as well as the spark plugs and wires). 2. You want to look for excessive voltage (or even too low voltage. Hi, I Was Driving My Car, No Problems At All, Parked Previous Previous post: Mercedes-Benz P1492 Battery Temperature Sensor Voltage Too High Next Next post: Mercedes-Benz P1494 Leak Detection Pump Switch or Mechanical Fault Search for: Search Aug 3, 2020 · Every electrical device had a low power code, even with the car on running @ 2,000 rpm the battery voltage was low. 5 to 11. Troubleshooting steps may vary depending upon manufacturer, type of charging system control and wire colors. 6v at rest, no less than 11v during cranking, and 14v at idle. Test Battery Voltage: Use a multimeter to measure the battery voltage. Nov 10, 2011 · Measured the battery voltage, 13v engine off 14. A month later ( January ) i get the message "Stop, car too low". The main steps to take include: 1. Fully charge the battery, and make sure the LCP module and the TSG modules (door control modules) receive at least 11V. I got that replaced. i tightened the terminal up,but the battery was weak from not getting a full charge,so when i went out to start it this morning,she coughed a few times but it didn't quite have Mercedes-Benz CLA 117 FDCT Transmission Fault P051300 Start Enable Was Not Issued , It happens when the battery voltage drops too low. Mar 22, 2022 · The SDM checks the wiring connection to each inflator by letting the infinitesimal current flow through the internal circuit and verify the resistance. 4v take it for a 1/2 hr. COMAND system shows low voltage and won't turn on. They have a European direct fit replacement battery. 3 . The Old Mercedes battery was already showing leakage on one of the cell plus It was not installed perfectly by dealer. 5-14. If a battery is drained too low the tender won't work. A fully charged auxiliary battery should read around 12. However, the cluster turns off and 'goes to sleep' when the car is shut down. Unfortunately I wasn't able to use the Power Magic Pro since it appears my main battery voltage is already too low at 11. 7 volts, anything below 10. Feb 19, 2022 · A high of 14. As a stop gap you could use a 5amp CTEK charger at the jump point set to agm battery. 5 amp battery tender by Deltran which runs both 12 V and 6 V. I will follow the proper key and locking procedure going forward. B. This is strictly an electrical issue. Oct 4, 2024 · Car battery voltage is a critical indicator of a battery’s health and its ability to start the engine. 6 after sitting dormant for several months so I'm thinking either intercooler tract is boogered up or low voltage caused it to set codes at start-up. The data in the Jul 19, 2024 · 9102 The Washer Fluid Level Is Too Low Or The Line To Component S42 (Windshield Washer Fluid Level Indicator Switch) Has An Open Circuit; 6100 The supply voltage of the control unit is too low (undervoltage) Jun 19, 2010 · The next day, my tire was flat. 11. The 14. Feb 12, 2023 · A malfunction on the Mercedes-Benz dash that says, “Stop the vehicle shift to P, leave the engine running,” means that there’s low battery voltage. The BCM measures both battery voltages, and if the rear battery is too low (or in your case disconnected) it will fire K57, so starter battery is powering all the systems on the car, so your test by disconnecting the rear battery is a Oct 29, 2013 · So does anyone have any input on what I can check or do to determine if the problem is the battery, alternator or voltage regulator(VR)? Searches show many E class cars have issues with the VR, many say the SLK is sensitive to low battery but if I only see 11. The cost of repairing a P0562 code in a Mercedes-Benz can vary depending on the specific cause of the issue. Tenders are better but the tender has to see voltage from a battery to operate. If it's below 12. Test the Charging System. 2 - 12. The warning message (in white at the cluster) seen by the OP was given because: "The charge level of battery G1 is too low". While the ideal voltage range for a fully charged 12-volt battery is around 12. On tenders designed for 6 and 12 Volt batteries a low battery may look like a 6 volt battery and won't charge at all. 3-13. If it’s much lower, the battery may be weak or failing. I noticed that only one corner of the car was too low ( the side/wheel which i ran over the stone ). The standard voltage for a fully charged car battery is typically around 12. 75 volts or below Aug 8, 2020 · I then replaced the voltage regulator with an OEM voltage regulator from the Mercedes dealership. May 7, 2019 · I installed a Blackvue dashcam at the weekend. Let me paste a PDF of the battery voltage graph. Inspect and clean battery terminals. hwy. 7. If your battery does not have this function, you should keep on reading to see in what other way you can check its status. 7 range ? I measure the battery after sitting overnight with two different volt meters. 5V with a low of 13. Apr 22, 2024 · A car or truck battery has a limited number of times it can start your vehicle before it needs to be replaced. Dusk fell too quickly last night. 6 volts. 5-12. Also, if during engine startup the battery voltage drops below 12 volts, it means that the battery is pretty weak. Most car batteries will last between 500 and 1,000 charging cycles, which works out to a lifespan of between three and five years, depending on driving habits and weather conditions. If you can measure your battery voltage using the jump start points under the bonnet. i tested after about 30min drive, i got 12. Its now on the shop for that issue and unusual tire wear on the front two tires. S204 C180K If the charging voltages are incompatible and too low, your Jun 11, 2022 · Mercedes-Benz GLC needs a healthy 12 volt battery for normal operation of the vehicle. 3. In that particular case I would Jun 11, 2022 · Mercedes-Benz GLE needs a healthy 12 volt battery for normal operation of the vehicle. drive with no consumers on. , which can throw this fault. Cause: Circuit 87 relay, engine Aug 22, 2023 · Common issue the “Mercedes Me” uses your battery to tell you your battery is low… Reality is that the app is overly sensitive and that all modern cars have a huge demand on the electrical system (including when switched off). The average life of the 12V battery, main or auxiliary, is about three and a half years. I replaced the alternator, cleared the codes and test drove for about 40 min, double checked for codes and battery voltage, everything was fine. Mercedes A107. Jun 11, 2022 · Mercedes-Benz C-Class needs a healthy 12 volt battery for normal operation of the vehicle. Having said all of this, the car starts fine, but the battery is original and is now 9 years old. Best option is keep the car on a battery conditioner when not in use Oct 7, 2022 · 12-volt and 48-volt Mercedes-Benz batteries allegedly completely drain from electrical defects. What the heck. If not fixed and the battery is left continually with very low charge it will be damaged beyond repair. The range is about what the voltage should be pretty much regardless of any additional electrical loads. Can't read voltage until computer boots up, but with quick restart could see voltage drop to 6, then climb up to 14. Aug 10, 2019 · Hi, I have a 2015 Toyota 4Runner still on its OE Panasonic battery. :crybaby2: I replaced my battery with one from Carquest. What do you think? Oct 7, 2014 · This is easy to spot - the battery charging light illuminates and a check on the alternator voltage output will show a reduction from the normal 13. If the reading is significantly lower, the battery may be the cause of the issue. Symptoms. 6V. P2204 Y3/6N2 speed implausible. Home Mercedes-BenzP0562 Mercedes-Benz DTC P0562 Make: Mercedes-Benz Code: P0562 Definition: Transmission Function - Battery Voltage Too Low Description: Transmission function is affected. I doubt if 10-15 miles would even equal the drain of the first start. It is not clear if the codes you have are current or stored. otherwise, battery might become bad after 3-4 years Jul 29, 2011 · But it does tend to drift after I get underway. 9v with 14. I currently have the Engine Voltage Lock set one tenth of a volt above the Engine Off voltage (12. We checked the battery and alternator and they were fine. But if the voltage is out of range, SDM is unable to check the airbag system properly. Over that 1hr 56 minute drive the battery voltage was at ~12. Press and hold the phone button, then the 'OK' button on the steering wheel. Nov 29, 2024 · Understanding what voltage is considered too low for a 12-volt battery is crucial for maintaining the performance and longevity of your battery. Jul 1, 2018 · Hello, did you manage to fix your problem ? im having the exact same problem ! My car is a 2002 CLK 240 with M112 engine and 722. So, what happens when this battery becomes too weak? Mercedes-Benz GLC – (Vincent Doyle / Shutterstock) Sep 24, 2019 · It does this when the rear battery is too low voltage to power the "essential" functions to start the car. 8v and 12. To be clear, if redsil starts the engine, operates the roof switch, nothing happens, and there is no message in the cluster for consumers offline, then a battery 18010/P1602/005634 - Power Supply B+ Terminal 30: Voltage too Low Possible Causes. Jul 19, 2017 · The battery should read 12. Should I start shopping for a new Aug 6, 2019 · get a voltage meter to test the voltage of battery. Jan 10, 2024 · Then start the vehicle and measure the voltage again - it should be over 14 volts. mjncwff yaqnaaha hwr hav tcfm emgjg lskca fcdm ifw hluzoy