The engine of the Mercedes E-Klasse is the beating heart of your car and essential for a smooth driving experience. Issues such as oil leaks, overheating, power loss, or smoke development in the Mercedes E-Klasse may indicate a faulty engine in the Mercedes E-Klasse. If the engine of your Mercedes E-Klasse is defective, you can opt for a refurbished or used engine for your Mercedes E-Klasse, which is a cost-effective and sustainable alternative to a new one.