Mercedes 48v issues 2021 forum. 0-liter inline-six-cylinder engine.


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    1. Mercedes 48v issues 2021 forum Feb 19, 2023 · The Start/Stop finally delivers (I turn it off in my T6!). Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). C. The recall, 24V-207, encompasses a range of sport utility vehicles manufactured between June 20, 2017, and January 5, 2023, spanning model years 2020 through 2024. So I’ve tried comfort mode and ECO mode to see if the engine kick-in is more subtle. Does anyone else have a Mercedes sitting a dealer waiting for a 48V battery system? My 2021 GLE450 (which has been problem after problem, even outside of the 48v issues) has been parked at the dealer for a month, I was told it would be ready 9AM the next day on Oct 17, then I was told 5-8 business days, then "a couple weeks" then "end of Apr 28, 2023 · Also affected by the 48V battery problem are model year 2020 Mercedes SUVs. The 350 version of the Mercedes-Benz GLE will cost you about $60,000 and it's considered to be pretty affordable when it comes to Mercedes SUVs. Oct 18, 2022 · Dealer just diagnosed the problem from examining fault codes. The Mercedes GLE suffers from uncomfortable base trim seats, DPF failure, poor-performing headlights, lurching forward when stopped, exhaust drone, and collision prevention assist not working. 8K Feb 27, 2022 Mercedes EQ Forum 7K members. Jan 1, 2021 · 2000 S430 (Dad's car, for special occasions) 2000 S500 (wife's DD and first W220 project car) 2003 S600 (one of two current DD's, "sex on wheels"--second w220 project car) Sep 23, 2019 · Feb 15, 2021; 12 13K Mercedes EQ Forum 7K members. Initially, it was mentioned that the sensor module of the hybrid/high-voltage battery had a malfunction, it was suspected to be an internal electric fault. GSIturbo is correct. Even more dynamic and efficient: The new E-Class with 48-volt technology and ISG Thanks to EQ Boost, the new models in the E-Class family offer even more driving dynamics with significantly lower fuel consumption. I was completely set on this car, and then I saw all of the forums and posts talking about their car fully shutting off and it being a month+ for the repair. in actual value there terminal 40 point is bellow from actual value. 1st visit: there is nothing wrong (Nov 2019) 2nd visit: we'll replace the faulty battery. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Jan 21, 2022 · 2021 amg gla 35 30. Oct 23, 2023 · The Mercedes-Benz EQS is a battery-powered, full-size, luxury car introduced by Mercedes-Benz in 2021. Mar 19, 2024 · How awful,the auxiliary battery presented problems in first 3 weeks on 2nd shut down I refused to take back car, now have a brand new one and never sit in it with anything running ,or reading lightnon Nada,like you lost all faith in brand ,but My local dealer Bolands were meriful and replaced it. Forums. Jun 5, 2022 · It may be that the reason the very latest (2025) Hyundai i20 models are no longer mild-hybrid is because of problems with the 12V + 48V system, but equally likely that choosing to downgrade the 'mechanical' specification and upgrade the 'tech' specification was a costing decision. My local Mercedes service manager tells me the Mercedes "fix" is to take a "sunday drive", or use a trickle charger. 3rd visit: replace the battery May 7, 2024 · I've had the same commute for over 30 years, and owned Chevy, Ford, BWM, and have never experienced this issue. A low battery can cause all kinds of problems. So I drove it. Apparently I was wrong. Start stop is dependant on the charge in the 12volt underbonnet battery which has to be over 80% fully charged. co. I got a check coolant level on a long drive (300mi) last week. Also, I see that a 12v charger might charge 48v through a converter, but no Jun 28, 2021 · Mercedes-Benz GLE 450 owner says th 48-volt batteries cause failures to start the vehicles. $2,208-$2,327. Apr 14, 2022 · Mercedes drivers who’ve had problems with the 48-volt batteries in their vehicles. Jun 3, 2023 · Maybe it is connected to online services, alarm system, 360 degree feature or whatever. 17, 2021 (GLOBE NEWSWIRE) -- Kehoe Law Firm, P. Sep 20, 2021 · I wish it were a little stronger, like Mercedes' 48v version (21 hp, 184 lb-ft). If there was improvement in the mileage numbers you can bet BMW would make sure the correct numbers were reflected on the sticker. 01: 48V Battery Benefits By using a 48-volt electrical system in new Mercedes-Benz vehicles, the car can be powered solely on the electrical system battery instead of using the drivetrain batteries. Get answers to your car questions 2021 Mercedes-Benz GLE450. Home. Since new there has been an annoying audio sound that seems like it is coming from the front speakers or possibly the driver-aid electronic assembly at the top of the windshield. Just the way the car starts when you jump in, due to the 48V motor spinning it up, it's kinda neat. Forums Mar 22, 2023 · A Mercedes-Benz 450 GLE 48-volt battery lawsuit is still being debated in a New Jersey federal court as the plaintiff tries to convince the judge the vehicles are defective. . Jul 31, 2023 · I’m a big fan of IL6 engines so I’d really like the E53 the only thing holding me back is the added complexity of the starter generator 48V hybrid system, if it proves reliable (introduced in 2019) I’ll probably bite the bullet and buy one next year unless a really well looked after E43 turns up (only made 2017-18) Aug 20, 2021 · Bought a new UK model i20 Premium 48v mini hybrid at the end of June. dc/dc converter is glued to 48V battery Oh I did try this but did nothing, I can try again but apparently they have a relay that shuts the battery down if it gets low, it's ment to be inside the battery but I have no idea, daxxer can do it but not been online for a while Jun 10, 2021 · Hi All, Have a 2021 GLS450 with barely 4K miles (purchased in Jan2021), and car would not start this morning. ) The very big issue is the engines head bolt issue. (Lake district and back last week). It has a relay that turns off the battery when the voltage drops. May 13, 2021 · New to the forum, and I'm considering making the leap from an MX5 to an SLK250 CDI. Mar 23, 2022 · The W167 chassis (GLE / GLS) has been riddled with 48V electrical system issues and the infamous 9-speed transmission jerkiness. I hope this helps. However the car display is not showing a problem as it did correctly on a previous occasion. A couple of months after taking delivery my car showed a red “12 volt battery not charging error” message. Dec 16, 2023 · The check engine light came on only once, and Mercedes replaced an injector (under warranty). Mar 17, 2024 · 2021 GLS 450 Mercedes Benz within several days of purchasing in late Fall 2021, while in motion at 65MPH or more, the vehicle suddenly flashed all kinds of malfunction warnings (the entire dashboard was lit up w every system “warning”) including 48V battery code, within seconds the car shut down while driving on the highway, no power steering, no brakes, no anything – nearly lost our Feb 2, 2014 · E63 AMG Things I would look for with this car. Sep 23, 2019 · BenzWorld. Main issues:. Question now is anyone using a 48v to 12v 20a Buck converter that actually reads 12v. Been severely disappointed with Mercedes USA Corporate, Park Place Mercedes in Dallas & Autobohn Mercedes in Grapevine. I have a new 2020 MB GLB250 4Matic. Jul 6, 2021 · For the most part MY2014 Is still rocking 59k miles in just minor issues another one I’ve noticed over the past couple days. does not strike me as a big problem considering how many cars have this system. Aug 24, 2017 · In a lengthy article, Motor Authority got the inside scoop behind Mercedes-Benz’s 48-volt system, which will appear on the automaker’s new 3. In this Sep 14, 2023 · Put 3000 miles on it with no problems whatsoever. What Some Owners are Saying About Their 48V Battery Problems. I have a new i20 premium. Jul 24, 2018 · Got the car in March 2019, problems started in October 2019. Therefore, introducing outside coding could cause issues in the long-term. So, if we take that (required) 57. Then it sat in my garage for about three weeks (I was out of town). Jan 5, 2021 · 4 months and 3,000 miles into my 2021 GLE53 AMG. thanks Jul 13, 2021 · CLA 220 4 matic 2021 problems. This is Mercedes' new "hybrid" design, supposed to be more fuel efficient. edit: and Non-AMG Mercedes-Benz models will employ a lower-output version of the M256, without the electric supercharger but with the motor/generator and 48-volt systems. So, in effect, all these problems are related and there are a total of 11 altogether. This means with 48V supply, the wires, components, capacitors and other parts can be made much smaller, consume less current and run more efficiently in general. I’ve read about this battery issue in several forums. Also, 48-volt batteries in tandem with 12-volt batteries on the same car and dealerships without knowing how to remedy the failure of cars with new complicated computer relationships. Aug 21, 2019 · A forum community dedicated to Mercedes Benz GLC owners and enthusiasts. Jan 14, 2021 · BenzWorld. What is your experience with these 48v systems (good or bad)? I'm seeing some reports on a fix being a computer reflash/update, and others replacing the 48v battery. Another relates to a recall that affects the 2021 E-Class backup camera. by G500 2000 - CAN BUS / Immobilizer issues - STAR Diagnostics. The problem is not always present, so it's challenging to go to Mercedes and show them the issue. I opened the 48v battery and charged it with 48 v charger and now it shows 48v but terminal 40 doesn't provide power out to the ISG/ car does NOT start. 5 MHEV 2021 "Check 48V system" I'm guessing (hoping!) that a higher capacity 12V battery is fitted to Kia Ceed MHEVs than i20s, but the Hyundai/Kia 48V system is undoubtedly complex and complexity and reliability are often unhappy bedfellows. I delayed it since I wasn't ready since it might cause problems. 48v battery is main power source for starting/stopping your engine at stop lights, etc. see EARLY MERCEDES E 300 BLUETEC HYBRID BATTERY DETAIL | Electric Mercedes models Aug 23, 2023 · The most common problems:Camtronic problems, carbon buildup on intake valves, additional emission filter potential issues at high mileage. I travel 80 miles to work every day on an express lane with speed limit 75 and only 1 lane with walls on either side, no shoulder. Feb 29, 2024 · While the Mercedes GLE is known for its luxurious interior and more road-focused handling compared to other SUVs, the Mercedes-Benz GLE range has more than its fair share of problems. Apr 27, 2023 · The 48V system (see 1st attachment for details) uses a built-in 12V-48V DC/DC converter (PCU48). It is a very recent ride that critics have already tagged as an alternative to the Tesla Model S because it is among electric cars with a +350-mile range. V. Aug 7, 2024 · Today, more than ever, there are ongoing software updates to fix issues, and these updates are done after the OEM has oftentimes worked with multiple suppliers because coding changes can affect multiple controllers in the car. Jan 5, 2022 · Sorry for the late reply, been busy. It appears others experienced similar issues going back as far as the 2021 models when the 48V system rolled out - a past thread focused on the 60i but I was hoping to expand this to the 40i drivers who may have some guidance from their experiences. Jan 31, 2022 · Hello all, I’ve an ongoing problem with a 2021 model C-Class - so I thought I’d ask if anybody else has seen or heard of anything similar. It's currently at the dealer for repairs on the issues below. Jan 24, 2021 · Comments of the 2021 years have reports of dealerships unable to diagnose and resolve issues. Not sure of the warranty component or the life of the 48V battery though. June 28, 2021 — A Mercedes-Benz GLE 450 class action lawsuit alleges the SUVs suffer from problems Sep 20, 2022 · The Mercedes technical documents say that you cannot charge the 48v directly, so I suspect that when you connect to the jump points it goes through a control box sat on top of the 48v, that directs the flow to the 12v in the boot floor and then it uses that to send converted current between the 48v and 12v. that's why I thought the E53 48V system is fancier Aug 14, 2020 · However, I am currently excluding that as an issue (for now at least). Jul 21, 2021; 2 Feb 13, 2020 · This is the same old £15,000 story about a SPECIAL DESIGN of early mild hybrid battery [ non plug-in] which was A/C cooled and is not relevant to current mercedes battery technology in the 350e. 4 watts. However, this car has some issues you’d love to know before attempting to own one. The most recently reported issues are listed below. Apr 11, 2022 · MB had a batch of bad 48V batteries causing a lot of their vehicles with 48v mild hybrid to get stranded. Came back from Europe, COVID started. Aug 1, 2023 · In early July, a plethora of Mercedes-Benz passenger models, including 2021-2023 GLC 300s, 2021-2023 GLC 43s, and 2021 AMG GLC 63 models, were hit with a recall over a fuel pump problem. "mild hybrid" seems to be for lack of a better term, like "partial 48V electrical system with energy recovery" or whatever else more descriptive, just don't work for marketing ;-) Feb 9, 2024 · I have a 2023 “Facelift” version of the GLA250 with the 48v Mild Hybrid which was delivered in Oct-2023. wrong temperature. The GLE 350 engine - key facts and specs. A few days ago I received an automatically generated email from Mercedes Me Connect telling me my battery charge status was “critical” and to drive the car for 30 to 60 minutes or connect a battery charger. airbagteam. this happens very often despite which motor is being used. I've had my eye on an SLK250 for years, I adore them. Sep 23, 2022 · Related: 13 Most Common Mercedes GL450 Problems (Explained) Mercedes-Benz GLS Used Value. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Dec 8, 2023 · I have a 2021 GLC300 with 48v mild hybrid system and I do read the forums regularly but cannot recall too many posts about problems with this system but as has been said it is relatively new. Lawsuit List Most Popular Oct 17, 2020 · Hi, I had the same problem with 2016 GLE 450 AMG, (bought new from the dealer) The first week I received it the car would completely shutdown I would have to open the door in order to restart it, for 4 years I had nothing but problem after problem, mostly electrical. I wonder if BMW got some 48V batteries that were bad/defective as well. ISG worked briefly Cruise Stop Start CSS only worked one day we took a run of 50 miles then neither worked for weeks. The PCU48 is used to convert 48V (from the 48V lithium battery) to 12V, when needed and presumably (since I have not yet found a reference other than the wiring schematic suggesting the PCU48 is a bi-directional 12V/48V converter) to convert 12V from the 12V AGM battery (or external 12V charger) to Oct 6, 2020 · BenzWorld. I’m glad it’s leased, not purchased. K. Fall 2020, as soon as it's colder, the problem starts again. Nov 23, 2022 · Another user on the forum had a complaint about a pulley making a lot of noise, and was effectively told to suck it by Mercedes after they couldn't fix the problem 2021 GLA 250 pulley noise AC sounds like it's not really a car issue, depending on the kind of environment you live in the filter can get dirty quickly. Dec 28, 2021 · The issues raised in various magazine reviews are non issues as far as I’m concerned. Typically happening from 3rd to 2nd but most notable from 2nd to 1st. Dec 3, 2019 · BenzWorld. I'm curious how the 12V system would charge/jump the 48v starter. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Mar 9, 2022 · Hello, we have had our 2021 GLE 300 since march 2021. I ignored it, but did stop when various mercedes-Benz STARTUNED septemBer 2021 5 hI h enerGY At 48V, that 2. Apr 25, 2023 · WE HAVE NOW MOVED: 8 Hazel Road, Woolston, SO19 7GB Service, Repairs and remapping service Any queries, please do not hesitate to contactEmail@mbsofsouthampton. Dec 5, 2021 · Towed the car over to the local dealership. But I also know that higher-end, more expensive cars also come with higher-end, more expensive problems! What I'm looking for is advice of all of the trouble areas of these cars if possible! Jan 26, 2021 · Source 48v 500ah Lifepo4 Battery Bank, #14 gauge wire run 25' across room to 12v 280ah Agm batteries, trying to protect 12v system from ever going below 12v, if Buck converter was 12v - not 11. One describes multiple defects and another focuses on a vehicle speed control problem. When the hood is open the 48v system is naturally deactivated. If I select sport mode the engine just wants to rev so high and it sounds awful. Mar 21, 2024 · The recall affects 116,000 2021–2024 GLE and GLS SUVs from Mercedes-Benz, Mercedes-AMG, and Mercedes-Maybach to fix an issue with a 48-volt ground connection that could come loose. Jul 26, 2023 · Mercedes-Benz has even issued a technical service bulletin that addresses the 48V on-board electrical system problem. daniq1983; Aug 23, 2021; 4 2. Lastly, your 48v Mild hybrid battery is disabled because of the deployment of the airbags AND drainage of current. It drives and handles perfectly well for my brisk driving style but maybe wouldn’t suit a boy racer ( my previous car was a BMW 328 i so I know about handling and performance) The drive is smooth relaxing and quiet so I’m always sorry when I get to the end of the journey. Aug 20, 2024 · Once the 48v battery reaches +/- 18v, it will be disabled by the Battery Management System (BMS). Sticky Mercedes GLA45 The shift to 48V also facilitates multiple high-current chassis support systems, which typically depend heavily on charge pumps, capacitors, and transformers in the 12V platforms. should be about 35-55V, but car batt only show about 3,9V when I have real data again from car, I will post again. My wife's C class does this sometimes, the hard peddle indicates a loss of vacuum to the brake booster, the hard peddle then doesn't let the brake peddle depress enough to push the brake light switch which keeps the starter from engaging. 6 watt fuel pump and May 19, 2024 · GLC Class (X254) - Bad user experiences with issues with my 1st MBUX updates - Yesterday, Mercedes 2024 GLC 300 4matic SUV's MBUX said an update available was available. Shark450; Jul 1, 2022 Mercedes EQ Forum 7K members. In the case of the 2022 48v X3 M40i they did not improve compared to the 2021 Nov 28, 2024 · I did my research prior to the purchase and thought the 48v issues had been resolved a couple years ago. I was hoping it would fix the lack of You forgot your phone. This is worrisome for the future. 110 being sold throughout the U. 5 Ohm load running at the same 4. I almost created and posted a YouTube link for this but here's a few pics to show the process of disconnecting the 48v battery to charge your 12v in storage. 000 klm ( am in Canada) roughly 18. The problem that everyone is experiencing is the auxiliary electric coolant pump that runs on longer than it should when the vehicle stops running, I was informed that unfortunately, there isn’t a permanent resolution available for the issue Jul 20, 2023 · Mercedes-Benz Servicing, repairs, engine and diagnostics Wayne Gates - Mercedes-Benz, Unit F3, Phoenix Industrial Estate, Rosslyn Crescent, Harrow, Middlesex, HA1 2SP Tel: 020 8863 9233 Established for 20 years all vehicles washed and vacuumed. Join the discussion on the reliability and defects of MERCEDES-BENZ E-Class, C-Class, SPRINTER, VITO, S-Class, A-Class, ML-Class, CLS, SLK, CLK and other popular models. 12v is still fairly important , even for starting the engine. 3 minor issues: 1) driver side headliner microphone stopped working, resulting in having to shout into the passenger side headliner microphone in order to be heard on a phone call, or using "hey mercedes", 2) audio volume adjuster does not gradually raise/lower volume, instead it jumps several levels with each turn of the adjuster, 3) the Jul 2, 2023 · Other Cars - Mercedes 12v battery critical - This is a 2021 with 48v system --- I thought it no longer had a 12v battery and just stepped down the 48v for a few legacy 12v systems. I read online that some users were facing issues with the Merc mild hybrid way back in 2021 upto 2023. Apr 1, 2024 · 2021-2024 Mercedes-Benz AMG GLE 63 S A 48-volt ground cable lug under the passenger seat may not be secured properly, resulting in the ground connection overheating. We’ve taken a look on Car Gurus to gauge the resale value of a Mercedes-Benz GLS, below are typical asking prices for each model year. The car simultaneously shut off, and I couldn’t restart it for about 20 secs. Forum to discuss the GLA45 AMG variant. wrong oil level, sometimes the level is too high and in a couple of minutes after it is too low. It’s rated at 362 horsepower as installed in the CLS450. 1. Voltages are good, the battery is 2 1/2 years old and I have been doing long journeys. M156 head bolt problems - Page 16 - MBWorld. May 16, 2024 · A forum community dedicated to Mercedes GLE owners and enthusiasts. Jul 26, 2023 · We are looking at these problems together because 5 of the electrical system problems in NHTSA complaints link to engine problems. 2022 GLE 450 suv with coolant issues. Dec 11, 2024 · Forum for MERCEDES-BENZ owners and fans – share your driving experience, reviews, common problems, and solutions. Mar 5, 2024 · (03-05-2024, 12:44 PM) tareq93m Wrote: I have a 2021 GLE 53 with rear accident. 8 amps would try to consume 230. ” Apr 5, 2021 · (04-06-2021, 05:34 PM) fanatrally Wrote: (04-06-2021, 02:44 PM) deimonk Wrote: Replacing the 48v battery will solve the problem. I replaced the pyrofuse, replaced 12v battery. Mercedes-Benz Coupe/Convertible If the dealership refuses to fix the problem or attempts to charge you for the repair, contact the manufacturer immediately. As we've been working from home during this time the car has only just done 10k miles - imagine my surprise on discovering all 4 tyres were at or below the legal limit!! MB dealer and Netherlands don't want to know - MB Netherlands called me Jan 7, 2021 · Hello Forum! We leased a 2021 GLA 250 and have had a number of issues and disappointments with it. 000 miles same deal no compression cylinder head gone. problem detect on N80 (if not wrong) in G1/3. It seems to be the now-common problem of the faulty 48 volt battery needing replacement. No other problems and I didn’t stop to check because at the time I was driving on an overpass and figured it was cause the car wasn’t level for a period of time. I do repair those batteries for customers by just opening up, digging into the circuit boards, and refreshing some EEPROM files. Classic_fanatic; Nov 28, 2024 Mercedes EQ Forum 7K members. The battery charging in idrive is found under driving info, power flow to charge your 48v battery. I have noticed the “clunk” when the car is down shifting when slowing to a stop. could have been some Mar 31, 2022 · 2021 AMG GLE 53 Custom Wheel to 23" and Tire Choice. According to Car Edge, a Mercedes-Benz GLS will depreciate 62% after 5 years and have a 5 year resale value of $44,047. This defect is said to affect 2019-2021 model year Mercedes-Benz vehicles including GT-Class, GLS-Class, GLC-Class, C-Class, CLS-Class, E-Class, and GLE-class M-B hybrids. 25 Days to get done . Common Mercedes-Benz GLE450 problems; Mercedes-Benz GLE450 Apr 14, 2022 · Mercedes drivers who’ve had problems with the 48-volt batteries in their vehicles. Dec 7, 2020 · Once the 12v battery is seen as full, it will then start charging the 48v system. saying (what I'm looking into a GLS and notice there are some reliability issues with the 48v mild hybrid system. 2021-2022 Mercedes-Benz Maybach S580 Cause 3: Hardware short circuit in 48V system causes fault B183319 in 48V battery Cause 4: 48V battery detects abnormality and disconnects causing additional symptoms: Limp Home Mode, overhea- ting, A/C not blowing cold, or loss of acceleration This cause will always have fault code in G1/3: B183371 but will Not Jun 6, 2021 · Hi whiskey, mine is now fixed, after weeks of trying to get mine fixed with gearbox specialist ( by the way mine is a DCT that no one will touch on the south coast ) I had to put it into a Mercedes approved garage who themselves had to send my gearbox to my local Mercedes dealership who have the special tool to take my clutch out and refit the new one ( the tool itself cost £30,000, that’s Sep 25, 2017 · The 'hard' peddle is a clue. is investigating potential consumer class action claims on behalf of owners and lessees of 2019-2022 Mercedes-Benz E-Class Jan 10, 2024 · Is the 48V generator problem essentially a ticking time bomb? I’m looking at a 2021 SQ8 with ~30k miles that is in pristine condition. 2021. Mercedes S-Class W222 S450/S550, Mercedes CLS-Class C257 CLS450/CLS53, X290 AMG GT43/GT53, Mercedes GLE-Class V167 GLE450/GLE53, Mercedes E-Class W213 E53 Mercedes M256 Problems and Reliability The M256 engines are still new and do not have enough statistics on common problems and failures. A new battery was shipped from Mercedes. Wanted to post here and see if anyone has had similar experiences or if we have just been unlucky. My car is a 2021 E 450 All Terrain with approximately 6,700 miles Mar 24, 2022 · Hi. The BMS cannot be reset or reprogrammed with conventional scan tools. Repairing the 48v battery on this Mercedes 48v Mild Hybrid so the vehicle can be started and driven once again!💬 Message☎️ 01709 257 357🌐 www. Come join the discussion about performance, reviews, troubleshooting, maintenance, modifications, classifieds, and more! Show Less Jun 5, 2022 · Although there are thirty-three "48V" mentions, none of these refer to a "Check 48V battery" warning message, nor provide any technical information about the lithium-ion battery that is likely to be useful to an owner in the event of a problem with the hybrid system. Dec 24, 2021 · The defect causes vehicles to shutoff, overheat, go into limp home mode, or lose acceleration at highway speeds. Is there a voltage regulator that ups the voltage from 12v to 48v? That would require 4x the current Aug 11, 2021 · In the US the definitive standard is the EPA figure on the window sticker. Jan 18, 2021 · Joined Jan 18, 2021 Messages 10 Reaction score 3 Your Mercedes C class 2009 2. Jun 25, 2021 · Mercedes Me is reporting a critical battery condition and has also sent me an email to that affect. And don't forget about the thermal paste. 0-liter inline-six-cylinder engine. Mar 7, 2022 · Here is the tutorial on repairing the Mercedes Benz 48 volt mild hybrid battery using CG100 Prog III or CG100X programmer. 92 it would be perfect. ukor alternatively you can phone Colin or Dave on 02380 445820, out of hours numbers are 07787913313 or 07907631681. co Aug 6, 2024 · If you have a problem, issue or complaint about your Mercedes CLA, please post it in this forum. Recently, they replaced the engine head (under warranty), a 19-hour job (around $10,000, under warranty). Not have any ways for repair?Only replace? Jun 9, 2020 · New to the forum and I need some community assistance. Both cars come with a 48V mild hybrid system, which has a 48V Li Ion Battery as an additional component. Nov 22, 2021 · This is a 2021 model, literally brand new, why don't you simply bring it to your dealership and get it sorted out under warranty? Some of these "gremlins" is pretty obvious, but in your case, seems like a software issue. I have about 4500km on it so far and have many of the same issues you have raised. Questions Forum. Since then my car spent more time in maintenance than rolling. May 21, 2024 · Here’s What’s Included in the Mercedes 48V Cable Recall. PHILADELPHIA, Dec. Jun 28, 2021 · One problem related to 12v/24v/48v battery has been reported for the 2021 Jeep Grand Cherokee. Aug 7, 2021 · (08-08-2021, 12:35 AM) A2ua Wrote: charge with terminals under bonnet as usual with 12V charger. These consist of the 2021-2023 CLS 450, 2021-2023 E 450, 2021-2023 E450 All-Terrain, 2021 AMG CLS 53, 2021-2023 AMG E53 Mar 20, 2023 · (03-20-2023, 01:38 PM) Eng. org Forums Jun 22, 2021 · A class action alleges Mercedes-Benz was aware that the 2021 450 GLE suffered from an electrical system defect yet did not disclose the problem to drivers prior to sale. I researched a bit, and found diverse issues that were the culprits of the turbo code I'm receiving. It’s nicknamed the 160-lemon… I had a really tough time getting my MB wheels smoothly balanced over a 3 year period - which was unexpected. Please also check out the statistics and reliability analysis of the 2021 Jeep Grand Cherokee based on all problems reported for the 2021 Grand Cherokee. All manufactures want those numbers to be as high as possible. But I must say my dealer gave me a nice glc 300 loaner. Come join the discussion about performance, modifications, classifieds, troubleshooting Jan 7, 2021 · Hello Forum! We leased a 2021 GLA 250 and have had a number of issues and disappointments with it. My E450 is only four months old with 3100 miles. The issues started 3 weeks after. Also the doors locked has been Oct 28, 2022 · Kia problems have been reported attributed to the 12V battery (example here) Kia Ceed 1. Mar 5, 2024 · I have a 2021 GLE 53 with rear accident. First time in 40 years ,have had a bad one,so best of luck in your next purchase👍😇 Appears MB has zero idea how to deal with it. Feb 19, 2024 · Mercedes Needs To Fix 48v Connection On Several Models Over Fire Risk. Feb 5, 2021 · I brought a brand new e300de in November 2019. Issues started after the last service around a couple months ago - might be unrelated - but that's the timestamp. Mercedes-Benz GLA Forums. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Aug 20, 2024 · Your car will power some areas for easy access or emergency, but all related to the powertrain will be disabled. Last night while I was stopped to make a left turn in traffic, a message came up saying something about the the 48 volt battery. by Whiterabbitt. (Dec 2019) Problem stared again in late Feb 2020. Car has been remapped since February. Towed to dealer and they mentioned it is a defective main battery. If you know the car is going to sit for ”extended periods of non-operation” (Mercedes manual) you should turn on the “standby mode” found in the multimedia system under settings>vehicle>open/close. 1l Dec 5, 2021. My car is a 2021 E 450 All Terrain with approximately 6,700 miles, delivery Apr 20, 2024 · The problem I have is when using the engine in conjuction with the electric motor. The 48-volt system, as the outlet reports, will appear on the 2018 Mercedes-Benz S-Class. Feb 16, 2024 · I’m in the market for a used E450 All Terrain, likely 2021 model year, and there are currently at least 2 listed for sale with lemon titles because they’ve been repurchased (and apparently repaired) by Mercedes because of “battery issues. Aws Wrote: what are the faults in Xentry? Hi, thanks for reply me, too much sorry I lost all picture I take when diagnose with xentry. Gave up. Aug 22, 2023 · This is so not true, I run the Mercedes Me App and now Mercedes have found a temporary fix, I have no issues, although the temp fix is far from ideal. The one engine complaint that isn’t included in an electrical system problem, does relate to loss of power. Recommended Shops The Fora platform includes forum software by XenForo. Forums Apr 6, 2024 · 2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions 2021 and up G22 M440i reliability/issues Jul 3, 2023 · 2021 - : S350D, S400, S450, S480, S500, S580, S580E, S500 Maybach, S680 Maybach Aug 23, 2023 · The most common problems:Camtronic problems, carbon buildup on intake valves, additional emission filter potential issues at high mileage. It's on current recall but this is after I had to replace mine on a 2yo GLS450 in March for $5k. So I would assume that it still somehow gets charged, but perhaps does not enable 48v circuit in the engine compartment near the SGR and through the visual purple lines seen in the engine compartment.