Mercedes-Benz C230 vacuum line issue causing starting problems and fog lights malfunction on Mercedes-Benz C230

Submitted by Giltgp75 · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz C230 owners report experiencing starting problems due to vacuum line issues, which can lead to intermittent starting failures. These vacuum line problems can significantly impact the vehicle's engine function, necessitating prompt attention. Additionally, some owners encounter multifaceted starting issues that may involve electrical problems with the gear selector or other factors, particularly if the car starts and then dies shortly after. Furthermore, malfunctioning fog lights have been reported, often as a symptom of broader electrical malfunctions common in the C230. To ensure proper vehicle operation and prevent further complications, it is recommended that owners consult a qualified mechanic or Mercedes-Benz service center for diagnosis and repairs if they experience these issues.

2 people reported this problem
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Mercedes-Benz C230 vehicles with this problem

1 model year affected
Average mileage: 99,000 miles
(99,000 - 99,000)

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