Mercedes-Benz ML320 will not start despite turning over and power to other systems on Mercedes-Benz ML320

Submitted by Heart 9b1aac · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz ML320 owners report experiencing starting issues despite having power to other systems, which can be attributed to several potential causes. A common reason is a dead battery, which may lack sufficient power to turn the starter motor necessary for engine ignition. Additionally, a faulty starter motor can prevent the engine from turning over when the ignition key is engaged. Some owners have also encountered problems with completely blocked catalytic converters, which can obstruct airflow and hinder starting. Ignition coil failures are another reported issue, where bad coils may lead to difficulties in starting or rough engine performance. Furthermore, complications with the air conditioning system, including faulty blowers, compressor issues, low freon levels, or malfunctioning electric motors, have been noted to affect the vehicle's starting capability. It is recommended that owners check these components and seek professional assistance if the problem persists.

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