Jessy Edwards  |  September 14, 2022

Category: Auto News

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Sign with the logo of German car brand Mercedes-Benz at a dealership
(Photo Credit: Mats Wiklund/Shutterstock)

Mercedes-Benz electrical drain defect class action overview: 

  • Who: A group of Mercedes-Benz drivers are suing the automaker.
  • Why: The plaintiffs say a number of Mercedes vehicles have a defect that causes the battery to drain “rapidly and unexpectedly.” 
  • Where: The lawsuit was filed in a New Jersey federal court.

A broad swath of Mercedes-Benz vehicles made between 2004 and 2022 have a defect that causes the batteries in the vehicles to drain “rapidly and unexpectedly,” a new class action lawsuit alleges.

Plaintiffs Lewis Young, Enrique Perez, Merissa Jones, Valeriu Matei, Teresa Isom, Linda Blackwell, Kia Watson, Muhammed Jackson, Levanda Gayden, Jackie Rasmussen, Siro Brenes, Carl Clark, Andrea Geoly and Keith Colwell filed the class action complaint against Mercedes-Benz USA LLC and Daimler AG Sept. 12 in a New Jersey federal court, alleging violations of state and federal consumer laws. 

This lawsuit arises out of a defect that causes the battery in Mercedes vehicles to suddenly drain, the plaintiffs say.

According to the plaintiffs, the defect arises from a common electrical system used across vehicles manufactured between 2004 and 2022, including but not limited to Mercedes Class S, C, A, CLA, CLS, G, GLA, GLK, GLC, ML, GLE, GL, GLS and E vehicles.

“In all vehicles, the [defect] causes the battery to suddenly drain, preventing the car from starting, potentially stranding the occupants and endangering their safety,” the plaintiffs alleges.

As a result, the cars are unsafe, unreliable and undesirable, the plaintiffs say.

Mercedes knew about defect but didn’t fix it, lawsuit alleges

Based on customer complaints, repair data, and other internal sources, Mercedes knew or should have known about the existence of the defect and its consequences, the Mercedes-Benz lawsuit alleges.

“Nevertheless, Mercedes has never offered to repair the Electrical Drain Defect or otherwise compensate Class Members for their injuries resulting from the defect which it has not repaired,” it says. 

Mercedes continues to market its vehicles as safe and reliable, leaving purchasers to carry the costs of dealing with the defect, the plaintiffs state.

As a result, plaintiffs overpaid for their vehicles and had expenses related to the flaw, they say. 

They’re looking to represent anyone who purchased or leased a Mercedes vehicle containing the electrical drain defect rendering them subject to any remedial- or counter-measure.

The plaintiffs are suing for fraudulent concealment, unjust enrichment, breach of warranty, breach of fair dealing and breaches of state consumer laws. 

They are seeking certification of the class action lawsuit, an injunction forcing Mercedes to treat the problem, restitution, damages, fees, costs and a jury trial. 

Meanwhile, in July, Mercedes-Benz agreed to a class action lawsuit settlement to resolve allegations its interior Burl Walnut trim is defective and can fade.

What do you think of the allegations in this Mercedes-Benz class action lawsuit? Let us know in the comments! 

The plaintiff is represented by Christopher A. Seeger, Scott A. George and Christopher Ayers of Seeger Weiss LLP, and James E. Cecchi and Caroline F. Bartlett of Carella, Byrne, Cecchi, Olstein, Brody & Agnello, P.C. 

The Mercedes-Benz class action lawsuit is Lewis Young et al., v. Mercedes-Benz USA, LLC, et al., Case No. 1:22-cv-05502 in the U.S. District Court for the District of New Jersey.


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35 thoughts onMercedes-Benz class action alleges vehicles contain electrical drain defect

  1. Frank says:

    Hi fellows of the benz
    My 03 ml500 has the worst quality plastic parts …i read they were a eco friendly bio biodegradable plastic..also on wiring coatings (all colors) ..wire loom (under hood)
    Could be cause of insta drain on battery…also more likely..the positive terminal is bare and 1″from grounded fender ,which if slides will short out battery fast..

  2. Tracy Combs says:

    My car battery died out at the gas station it was running find no sound all the lights were on, but as I went inside to pay for gas ,as I walk back to the the car all the lights lit up and I couldn’t get the gas cap open or the doors, they were locked I tried the alarm nothing and just like that the auto services was closed just getting off work stop for gas at the gas stations after midnight they closed and guess what they have a roadside assistance yes help is coming he shows up with a battery charger he gets into the car but still car won’t start just a reminder it’s a Mercedes c300 had to leave in the gas station on pump 13 for 2 days ,so I just had it tow , miss 2 days of work and stop business at the station being on pump 13 for those 2 days .
    ,and for the record I just got the 6 month ago.

  3. adam S. says:

    my battery (2019 GLC300) went dead after being parked at airport for 7 days.

  4. Timeka McCollough says:

    I have a 2019 mercedes E class and a 2023 C class
    I have been having issues with both

  5. Frank says:

    2018 E 400 convertible battery just went dead and car had to be towed to dealer. Car has only 30,000 miles and is meticulously maintained. Dealer has had it for 4 days with no communication as to the cause of the problem.

  6. Terry odom says:

    I have a 2006 SLK280 and mine recently just did that and I’ve been without a vehicle for 30 days due to the other problems at arose from triple-a charging jumping me off in

  7. Tony Ricci says:

    I just replaced my battery in c300 2009, after checking with my own instruments, I discovered the there was low voltage supply. I went to the Mercedes dealership and told them of issue, that I had my battery replaced in 2014 and replaced in 2019 and then replaced in Jan 2021 at no charge for 2021. I spoke with the actual service manager because I was very upset what the regular service advisor was saying to me, which was “ first we need to diagnosis which will cost $380.00. – 2 hours and if it’s the battery it would be another $500.00 approximately.” That’s why I was upset because of the price as well as his body language. I asked for the Service Manager to ask about my battery was replaced in Jan of 2021 and why I have to pay? It should be under warranty- which batteries are usually 3 to 5 years. The manager did not offer to help and said that it must be something else. I left Mercedes and went to a car mechanic that I know personally and did a Load Test, the results was the car battery needed to be replaced. So, therefore I decided to go to Costco to purchase a battery with a 5 year warranty for approximately $ 320.00 with tax and installed the battery myself. The car runs perfect for now. I do not know why the Service Manager wasn’t any help if there is a this class action suit. I just saw this online regarding the battery issue. I just received notice of a rear subframe problem that may be replaced from Mercedes today. Is there any recourse on my battery replacement?

  8. Jacqueline Jones says:

    I own an 2011 ML350. On July 16, while driving on the interstate. My car started braking and finally came to a complete stop. On the dashboard it stated “ABS/EPS inoperative”. I was able to go on side of the road. I was alone and terrified that I had no control of this vehicle. I could have been in or cause an accident. Has this happen to someone else. Would like to know.

  9. Lisa M says:

    Having same problems with dashboard not working / warning notice appearing and repeated dead batteries in my 2006 SLK 350.

  10. Michael J Bauernfeind says:

    My 2010 E550 has been through numerous batteries and needed to be kept on a battery tender. It’s been to Mercedes numerous times and they claimed its normal. Took it to a mechanic ( not Mercedes dealership) and he says it doesn’t go into sleep mode therefore causing continuous drain.

    1. Sandra S. Black says:

      I have a 2019 GLA 250 with this problem

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