Mercedes-Benz GL450 oil leak detected on garage floor on Mercedes-Benz GL450

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

Problem overview

Some Mercedes-Benz GL450 owners report experiencing oil leaks, which can arise from worn seals, deteriorating gaskets, or compromised oil pans. These leaks may be detected through drops of oil on the garage floor or oil stains underneath the vehicle during service. Common causes of these oil leaks include issues with oil system components and engine gaskets, which can lead to potential damage and safety hazards if not addressed promptly. It is crucial for owners to diagnose the root cause of the leak to ensure the vehicle's longevity and performance, as engine oil is essential for lubricating moving parts and preventing metal-on-metal friction. Consulting a professional mechanic or authorized service center is recommended for identifying and repairing the source of the leak.

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