The 5th Generation (W221) Mercedes-Benz S-Class is known for its opulence, cutting-edge technology and exceptional performance. The W221 offers a refined and spacious interior with luxurious materials, advanced features and high-quality craftsmanship. While the W221 has generally been regarded as a reliable vehicle, some reported issues include:
Airmatic Problems: The air suspension system on the 5th generation Mercedes-Benz S-Class has failed at times, leaving the vehicle with no air suspension on either the front or rear, and the vehicle becomes unfit to drive. We recommend taking it to your local Mercedes-Benz service center.
Transmission Issues: Transmission-related problems are quite common with the W221 S-Class. These issues can range from hard shifting and jerking sensations to transmission fluid leaks.
Engine Issues: A ticking noise when the engine is cold may indicate premature camshaft wear, which is common in the Mercedes W221. Also, corrosion of the head bolt, which can cause disappearing coolant and an increased engine oil level. Get these checked out asap at your local Mercedes-Benz repair shop.
Battery Problems: A common electrical issue with the W221 is a failing auxiliary battery, which runs all the electronic interior features and systems. This is an easy fix, just replace the battery.
If your encounter any of these problems with your Mercedes-Benz W221 S Class sedan, your best course of action is to visit your nearby Mercedes-Benz service center for an evaluation. The helpful service professionals are committed to customer satisfaction and will quickly diagnose your vehicle’s issue and create a plan to implement the correct repairs to return your Mercedes to top form as quickly as possible.
Search for a local, independent Mercedes-Benz repair shop with Mercedes-Benz mechanics that have dealer-level expertise at a fraction of the expense.