The Brakes Went Out on My Rental Car. Here’s What I Learned About What’s Covered (and What Isn’t).

Most of us have assumptions about rental cars — assumptions that may or may not be realistic.

One of mine was that if the rental car was unsafe to drive, the rental company would step in and fix it. I have elite status with Avis, I’d paid with a premium credit card, and so I figured that a genuine safety problem was the one situation everybody would agree to resolve.

Then I found out that wasn’t the case.

And I learned that lesson on a mountain road in Guatemala with brakes that didn’t work properly. What I assumed was covered wasn’t — not by the rental company and not by my card. Here’s exactly what happened, why nobody paid to fix it, and what I learned about the surprising gaps in rental car coverage.

What Happened on the Way to Lake Atitlán

I recently drove about 3 hours from Guatemala City to Lake Atitlán, and the last stretch into San Marcos was steep, hilly, and full of tight switchbacks. Somewhere along the way, the brakes started grinding and making an awful noise. I felt like I was standing on the brake pedal to control the car, and there were a few moments when it genuinely felt like the brakes were about to give out entirely.

That is a bad feeling anywhere. On a mountain road, it’s a lot worse.

I have elite status with Avis, so I figured this would be a quick fix. My mentality was simple: The rental company would obviously want to make sure the car was safe to drive. Honestly, I wasn’t looking for a handout or trying to game anything. I just wanted a vehicle that would stop when I pressed the brake pedal, especially before driving down those same mountain roads to return it a week later.

Over the next few days, I went back and forth with Avis a bunch. I sent photos. I ran test drives to answer their specific questions. And I asked what seemed like the most reasonable question in the world: Did they have a mechanic anywhere near Lake Atitlán who could take a look and tell me whether the car was safe to drive back?

The answer surprised me.

Avis acknowledged that the brakes might not be great. The answer I kept running into, however, was that nothing was covered because I hadn’t purchased their insurance when I picked up the car — not an inspection, any repairs, or a mechanic’s opinion on whether the car was safe.

Even framing it as a safety issue didn’t change the outcome.

I Turned to My Card Issuer and Hit Another Wall

My next thought was the coverage that comes with the card I used to pay: The American Express Premium Car Rental Protection plan, which kicks in when you enroll for the perk and then pay with an eligible card. Surely a car with failing brakes qualified for something after paying with my Platinum Card^® from American Express.

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The Amex Platinum card reigns supreme for luxury travel, offering the best airport lounge access plus generous statement credits, and elite status.

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Unfortunately, it didn’t. The Amex Platinum card’s coverage, like most credit card rental protection, is built around damage to the vehicle and theft of the vehicle — a crash, a break-in, a stolen car, etc. A mechanical or safety problem that develops while you’re driving isn’t usually covered. The friendly phone agent read through the policy, looking for a loophole, but there wasn’t one.

That left me with 3 options, and none of them were great:

1. Do nothing and keep driving a car I didn’t trust.
2. Find a mechanic myself, pay out of pocket for the inspection and any repairs, and take on the headache of authorizing work on a car that wasn’t mine.
3. Pay Avis $150 to bring me a replacement vehicle.

I paid the $150.

It was the fastest way to get a car I actually trusted, and it let me avoid the unsafe driving situation I was worried about. But it stuck with me, because I went into this situation assuming a safety problem would be the 1 thing everyone wanted to resolve. Instead, I paid to solve it myself.

After reaching out to Avis in the U.S., I confirmed that the process wouldn’t be any different (hear your complaint, determine what’s covered) than it was in Guatemala.

What Rental Car Coverage Usually Doesn’t Include

My brake situation is 1 specific example, but it points to a bigger lesson: Rental coverage is much narrower than most people think. Credit card protection is usually just damage-and-theft coverage on the body of the car. Almost everything people mentally file under “rental car insurance” falls elsewhere, costs extra, or doesn’t exist at all.

Here are some of the gaps that surprise people the most:

• Mechanical and safety problems: As I learned, failing brakes, a dying transmission, or a general breakdown aren’t covered by your card; it’s damage-and-theft coverage.
• Tires and windshield: These are frequently excluded, even under a policy that says it covers vehicle damage. Amex’s terms, for example, carve out tire damage that isn’t tied to a covered accident or theft.
• Liability: Credit card coverage typically pays for the rental car itself, not injuries to other people or damage to their vehicle or property. Many renters assume insurance includes this, and it usually doesn’t.
• Your stolen belongings: Coverage applies to the car, not to the laptop, camera gear, or luggage inside it.
• Roadside events: A flat tire, dead battery, lockout, running out of fuel, or needing a tow generally fall under a separate paid roadside plan, not your collision waiver. Even then, roadside often covers labor, not the cost of the new tire itself.
• Loss-of-use, administrative, and diminished-value fees: When a car is actually damaged, the rental company bills these back to you, and cards frequently exclude them or pay only part of them.
• Excluded vehicles and countries: Coverage often disappears for trucks, exotic vehicles, campers, older vehicles, and rentals in certain countries. Always check with the issuer.

It’s also worth noting that renting from a familiar U.S. brand abroad doesn’t guarantee U.S. policies. Many international locations are separate licensees operating under their own local terms, so the goodwill and coverage you’d expect back home don’t necessarily follow you on vacation.

Final Thoughts

The short version of my story: I hit a scary brake problem in a rental with elite status in my pocket and a premium card behind the purchase. Neither the agency nor my card covered the cost of a safety issue, and in the end, I paid $150 to swap the car.

The things you assume are covered may not be covered at all. Plenty of other situations, like a liability claim or a serious accident accompanied by loss-of-use and diminished-value charges, can add up. And if you do have problems with a rental car, document everything. It can help you get out of a $1,367 bill for a car you only drove for 5 minutes.