The verdict
If you bought a new car, light truck, or motorcycle in Maryland and the same problem keeps coming back, this law is designed for you. The hard part is not proving the defect exists. It is proving you crossed the legal threshold while the clock was still running, which is why your paper trail matters more than the broken part itself.
The thresholds, by the numbers
Maryland's lemon law sets specific triggers. You do not need to satisfy all of them at once. Hitting any single qualifying condition within the coverage window can make the vehicle a lemon.
| Threshold | What it means |
|---|---|
| Coverage window | Defect must arise and be reported within 15 months of delivery or 15,000 miles, whichever comes first. |
| Same-defect repairs | A reasonable number of attempts, commonly understood as 4 or more, at the same unresolved problem. |
| Safety defect repairs | Fewer attempts may qualify for serious braking or steering defects that risk death or injury. |
| Days out of service | 30 or more cumulative days in the shop for warranty repairs counts on its own. |
| Written notice | You must notify the manufacturer or dealer in writing and give a final chance to repair. |
| Eligible vehicles | New cars, light trucks, multipurpose vehicles, and motorcycles registered in Maryland. |
The 30-day clock is the trigger drivers forget. If your car has been in the shop repeatedly for a slow electrical gremlin or a recurring P0420 catalytic converter code, the downtime can add up to a qualifying lemon even before you hit four separate repair visits.
What counts as a qualifying defect
The defect has to substantially impair the use, value, or safety of the vehicle. Cosmetic gripes and normal wear do not qualify. A rattle that annoys you is not a lemon. A transmission that slips into limp mode on the highway almost certainly is.
- Substantial impairment. Stalling, brake failure, a transmission that will not hold gear, or a persistent no-start condition all clearly impair use or safety.
- Covered by warranty. The problem must fall under the manufacturer's express warranty, not abuse, neglect, or an aftermarket modification you installed.
- Not caused by you. If the dealer can show the failure came from skipped maintenance or a collision, the claim collapses. Keep your service records clean.
If you are not sure whether your symptom is serious enough to be substantial impairment, get the underlying cause identified first. Knowing whether that warning light is a sensor or a failing component changes how strong your case is.
The buyback and replacement process
Once your vehicle qualifies, the manufacturer must, at your choice in most cases, replace the car with a comparable one or refund what you paid. The math on a refund is where people get surprised, so walk through it before you negotiate.
What a refund typically includes
- The full purchase price, including most taxes, title, and registration fees you paid.
- Certain finance and incidental charges tied to the purchase.
- Reimbursement of the documented costs you incurred from the defect.
What gets deducted
- A reasonable allowance for the miles you drove before the first repair attempt for the defect. The earlier you reported the problem, the smaller this deduction.
- Damage you caused that is unrelated to the defect.
The steps in order
- Gather every repair order showing the same defect and the dates the car was in the shop.
- Send written notice to the manufacturer and allow the final repair opportunity required by law.
- If the manufacturer runs a state-certified arbitration program, you may have to use it first. It is generally free and faster than court.
- If arbitration fails or none applies, you can pursue your remaining legal remedies, often with attorney fees recoverable when you win.
Common mistakes that sink Maryland claims
- Reporting verbally and trusting the dealer to log it. If it is not on a dated repair order, it may as well not have happened. Get paper every visit.
- Letting the warranty window lapse. The 15-month, 15,000-mile clock does not pause while you wait and hope. Report early.
- Accepting a repair as final without testing it. Drive the car and confirm the fix held before you close out a visit.
- Skipping written manufacturer notice. Many claims fail not because the car is fine, but because the owner never gave the manufacturer the formal final chance the statute requires.
- Assuming a used car is covered. The lemon law focuses on new vehicles in the early window. A separate Maryland used-car warranty rule and your manufacturer warranty may still help, but it is a different path.
Before you accept any repair quote in this process, it is worth checking whether the price is fair. Run the estimate through our repair quote checker so you know the dealer is not padding work that should be warranty-covered anyway.
Should you pursue a claim? A quick framework
Use this to decide whether your situation is worth the effort.
- Strong case: New vehicle, defect inside 15 months or 15,000 miles, four or more documented same-defect visits or 30+ days down, written notice sent. Pursue it.
- Borderline case: Inside the window but only two or three repair attempts, or downtime near but under 30 days. Keep documenting and send written notice now to preserve the clock.
- Weak case: Outside the window, a used car with no separate warranty, or a defect that does not substantially impair the vehicle. Lemon law likely will not help, but warranty or goodwill repair might.
TL;DR
The Maryland lemon law covers new vehicles when a serious defect appears within 15 months or 15,000 miles and the manufacturer cannot fix it after a reasonable number of attempts, often four or more, or 30 cumulative days out of service. Qualifying owners can get a refund or a comparable replacement, with a deduction for miles driven before the first repair attempt. Your repair orders and written notice are the case. Document everything, report early, and confirm the defect is real before you file.