Mercedes-Benz is one of the world’s best-known luxury automakers, with a reputation for quality, performance, safety, and advanced technology. But even a Mercedes-Benz can develop defects that repeated dealership visits never seem to fix, and the brand has been subject to a string of safety recalls across its lineup. If your Mercedes keeps going back to the dealership for the same problem, you are not imagining it, and you may not be stuck with it.
Take our quick ‘Is My Car a Lemon?’ quiz, then contact The Barry Law Firm for a FREE consultation. Our California Mercedes-Benz lemon law attorneys are ready to help.
Is Your Mercedes-Benz A Lemon?
For your Mercedes-Benz to qualify as a lemon under California law, you must have bought or leased it with a written warranty from a dealership — not from a private party. You also need to have brought your new, leased, or certified pre-owned vehicle to a dealership for repair attempts while it was under warranty.
As a general benchmark under California’s Song-Beverly Consumer Warranty Act, your Mercedes-Benz may qualify as a lemon if:
- The same defect isn’t fixed after four or more repair attempts, or
- Your vehicle is out of service for 30 or more cumulative days, and
- The problem generally arose within the first 18 months or 18,000 miles.
Serious safety defects can qualify with fewer repair attempts. Every case is different, so the best way to find out is with a free case review.
Defects In Mercedes-Benz Vehicles That Can Warrant A Lemon Law Claim
Any material defect that can’t be fixed in a reasonable number of attempts can qualify your Mercedes-Benz as a lemon. Common defects include:
- Engine misfires on unusual cylinders and defective O2 sensors
- Oil-filled engine mounts that deteriorate and leak oil, often around 100,000 miles
- Sensotronic Brake Control (SBC) failures that reduce braking pressure and power
- Differential leaks caused by degraded axle or pinion seals
- Air suspension relay and air suspension bag malfunctions, leading to uneven ride heights and abnormal tire wear
- Failure of the 13-pin automatic gearbox connector and valve body, making it difficult to put the vehicle into gear
- Electrical faults and warning-light errors
Defects behind recent Mercedes-Benz recalls, and lawsuits include:
- 80-amp fuse failures — incorrectly manufactured fuses that can fail and cause a sudden loss of drive power, loss of critical safety functions such as the restraint system or instrument cluster, and an increased risk of fire (2023–2024 models including C300, S580, EQE, EQS, and GLC300)
- Transmission wiring harness of the incorrect length — can result in harness damage and a loss of drive power (2022–2023 C300 and AMG C43)
- Fuel pump shutdown — can result in a loss of drive power (2021–2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class)
- eCall emergency-call software — the communication module may fail to report the correct vehicle location after a crash (2016–2021, wide range of models)
- Reverse speed-limitation software — incorrect software that can make the vehicle unstable in reverse above 16 MPH (G65 AMG)
- Brake booster vacuum hose collapse — can cause braking to require increased effort (G550 and G550 4×4 Squared)
- Electronic Stability Program (ESP) malfunction while Distronic Plus is engaged — the engine may not reduce power regardless of speed or braking (G-Class)
Mercedes-Benz Models That Could Be Lemons
The following Mercedes-Benz models that could be lemons include:
- A-Class
- B-Class
- C-Class (including AMG C43 and AMG C63)
- CLA
- CLE
- CLS
- E-Class
- S-Class (including Maybach S-Class)
- SL / AMG SL
- SLC
- GLA
- GLB
- GLC
- GLE
- GLS
- G-Class (G550, G63 AMG, G65 AMG)
- AMG GT
- EQE / EQE SUV
- EQS / EQS SUV
What To Do If Your Mercedes-Benz Is A Lemon
To bring a Mercedes-Benz lemon law case, you’ll want to gather key documents and take a few steps:
- Contact The Barry Law Firm for a FREE consultation.
- Collect all repair orders (request them from a certified dealership if needed).
- Gather your warranty, purchase or lease agreement, and registration.
- Save all communication with the dealership and manufacturer.
- Document every problem with your vehicle, including dates and symptoms.
- Keep receipts for related costs, such as towing or rental cars.
Not sure whether to act yet? Here’s what to do when your car is recalled.
How California’s 2025 Lemon Law Changes Affect Mercedes-Benz Owners
California updated its lemon law for vehicles delivered new on or after January 1, 2025, through AB 1755 and SB 26. Mercedes-Benz has opted in to the new system, which means Mercedes-Benz owners now have to follow specific steps — including a written pre-suit notice — before filing certain claims.
A few things to know:
- You must generally file within 1 year after your written warranty expires or within 6 years from the vehicle’s delivery date, whichever is later.
- If you request a buyback or replacement, an opted-in manufacturer must respond within 30 days.
- Because Mercedes-Benz is opted in, timing matters — missing a deadline or a required step can delay or complicate your claim.
Learn more about the time limits for filing a California lemon law claim, and don’t wait to get your case reviewed.
Mercedes-Benz Lemon Law: Frequently Asked Questions
Does a Mercedes-Benz recall mean my car is a lemon? No. A recall by itself does not make your Mercedes a lemon. But if the repairs keep failing, the fix takes too long, or the same problem never goes away, your vehicle may qualify under California’s Song-Beverly Consumer Warranty Act.
What Mercedes-Benz models are being recalled? Recent Mercedes-Benz recalls span the C-Class, E-Class, S-Class, GLC, GLE, GLS, G-Class, and the EQE and EQS electric models, covering issues such as faulty 80-amp fuses, transmission wiring harness defects, fuel pump shutdowns, and emergency-call (eCall) software problems.
How many repair attempts before my Mercedes qualifies as a lemon in California? As a general benchmark, a Mercedes-Benz may qualify after four or more repair attempts for the same defect, or after 30 or more cumulative days out of service, typically within the first 18 months or 18,000 miles. Serious safety defects can qualify with fewer attempts.
What if my Mercedes warranty ran out after my first repair? You may still have rights if the problem first appeared while the vehicle was under warranty. Good documentation showing when the defect began is important to support your claim.
Do I have to pay a Mercedes-Benz lemon law attorney? No. Under California’s lemon law, the manufacturer pays the attorney fees if the claim succeeds. The Barry Law Firm does not charge you fees for a Mercedes-Benz lemon law case.
Mercedes-Benz Lemon Law Resources
- California Lemon Law: an overview
- How to determine if your vehicle is a lemon
- How to file a lemon law claim in California
- Lemon law requirements and qualifications in California
- California Buyback Calculator
- Who pays lemon law attorney fees in California?
- Browse lemon law claims by manufacturer
Talk to California’s Premier Lemon Law Firm Today
Contact The Barry Law Firm today if you believe your Mercedes-Benz has turned out to be a lemon. Mercedes-Benz USA has deep pockets and a legal team whose job is to fight these claims — our experienced team understands exactly what you’re going through and will stand up to them at every step.
We’ve helped thousands of consumers across California, and you won’t pay us out of pocket — when you win, the manufacturer pays your attorney fees. Don’t wait: call or contact us online today for a FREE consultation to find out if your new, certified pre-owned, or used Mercedes-Benz qualifies.
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