Alternator & ChargingQuestionCommunity Starter

2022 Mercedes-Benz GLE — no crank with full dash power, then it starts later

ManualDetailerCommunity StarterJun 22, 20262022 Mercedes-Benz GLE 350 4MATICTampa

2022 Mercedes-Benz GLE 350 4MATIC, about 23,000 miles. Twice I have had full lights and accessories but no crank. After waiting a few minutes it starts normally. Battery terminals look clean. What would you want to measure during the actual failure?

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2023 Mercedes-Benz GLE GLE 350

$899/mo

Phoenix, AZ

3 replies

BoostWrenchCommunity StarterCommunity StarterJun 23, 2026permalink

This is usually cheaper to test than to guess. Move a coil or plug on the 2022 Mercedes-Benz GLE if it's cylinder-specific and see whether the code follows. If the cheap test changes it, stop and reassess. This is from a 2022 Mercedes-Benz GLE in Tampa with 23,000 miles. No need to make it theatrical. Next check is the cheap one I can do in a driveway.

ShopHauler301Community StarterCommunity StarterJun 23, 2026permalink

Yes, with one caveat: Move a coil or plug on the 2022 Mercedes-Benz GLE if it's cylinder-specific and see whether the code follows. If the cheap test changes it, stop and reassess. I'd want a dollar figure or a measured spec, not 'should be fine.' Not trying to scare you — just skip the expensive first guess. Heat soak after errands is the other window.

CamberDriver892Community StarterCommunity StarterJun 23, 2026permalink

Start with the test that can prove you wrong. Write temp, speed, and in-gear vs coast when the 2022 Mercedes-Benz GLE does it — then decide on parts. If the cheap test changes it, stop and reassess. This is from a 2022 Mercedes-Benz GLE in Tampa with 23,000 miles. Do that first. I've seen both outcomes, which is why I'd test instead of assume. I'm in no rush to be a hero on it.

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