W203 (2000-2007)

This repair guide will show you how to replace the sway bar bushings and sway bar links at the front of a Mercedes-Benz C-Class W203 or a CLK-Class W209. Mercedes-Benz sway bar bushings and links typically need replacement around 100,000 miles. As they wear and tear, they tend to cause …

How to replace the alternator on a Mercedes-Benz. If your instrument cluster displays a warning such as ‘Battery/Alternator Defective. Visit the workshop,’ do not assume that the alternator needs to be replaced immediately. First, test the battery and charging system to confirm the cause of the warning. In this article, …

Is your Mercedes-Benz greeting you with an “SOS TeleAid not Activated” or “SOS Defective Please Visit Workshop” warning on your Instrument Cluster? Many early Mercedes-Benz TeleAid systems relied on legacy cellular technology that is no longer supported in the United States. As a result, some vehicles may display TeleAid-related warnings …

Below, you will find step-by-step instructions with pictures on removing and installing a new engine oil sensor on a Mercedes-Benz engine. Part numbers related to the oil level sensor are shown below; there could be more. The oil level sensor (B40) aims to measure the oil level, the oil temperature, …

This procedure applies to Mercedes-Benz models equipped with the 722.6 5 speed automatic transmission and a service dipstick tube. It does not apply to the 722.9 7 speed transmission, which uses a different fluid level procedure. If you were wondering, low transmission fluid could show the same symptoms as a …

Check the maintenance schedule for your specific model. Many Mercedes-Benz models in this range specify engine air filter replacement at about 40,000 miles or 4 years under normal conditions. Replace it sooner when driving in dusty conditions. There are two air filters in your Mercedes-Benz. They are both on the …

Easy step by step photo and video instructions for repairing a windshield rock chip or bullseye. Repairing a small windshield chip is a straightforward DIY job, even if this is your first time. So go ahead, do it all yourself; it’s easy.  It is better to repair a rock chip …

Learn how to replace the rear taillight bulbs. This DIY applies to: This guide covers 2001 to 2007 Mercedes-Benz C-Class W203 sedans. Check the bulb type for your model year before ordering parts. Replace the failed bulb to clear the Lamp Defective warning in the instrument cluster. Use the specified …

Step-by-step instructions on replacing the valve cover gasket on Mercedes-Benz V6 and V8 engines found on the E-Class, C-Class, ML-Class, and many other models. When the valve cover gasket leaks oil, it drips on the exhaust manifold. As the engine warms up, oil on the exhaust manifold burns, and the …