Mercedes-Benz B250e sudden loss of drive possibly due to coolant leak with 15000 repair estimate on Mercedes-Benz B250e

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz B250e owners report experiencing sudden loss of drive due to potential coolant leaks, which can significantly impact vehicle performance and drivability. Reports indicate that repair costs for addressing coolant leaks can reach up to $15,000. Owners emphasize the importance of diagnosing the source of the leak promptly, as failure to do so may lead to further damage to the vehicle. Additionally, it is recommended to check for other related issues that could arise from the coolant leak, such as problems with the transmission or electrical systems. Many owners advise consulting a professional mechanic or a Mercedes-Benz specialist for accurate diagnosis and repair, as attempting to fix complex problems without sufficient expertise can result in complications. Given the high repair estimates, obtaining multiple quotes from reputable repair shops or authorized service centers is often suggested. Addressing coolant leaks quickly is crucial for maintaining the performance and safety of the Mercedes-Benz B250e, and regular maintenance is key to preventing such issues.

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