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: here is how …

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) measures the oil level, the oil temperature, and the …

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 that is what you have, start with the 722.9 7G-Tronic problems and fluid …

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 engine air filters on these models, and both sit on …

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 on a Mercedes-Benz C-Class W203. This guide covers the 2001 to 2007 C-Class W203: C230, C240, C280, C320 and C55 AMG. Check the bulb type for your model year before ordering parts. Replace the failed bulb to clear the Lamp Defective warning …

Step-by-step instructions on replacing the valve cover gaskets on the Mercedes-Benz M112 V6, fitted to the C-Class, CLK, E-Class, ML, S-Class and SLK. The full application list and part numbers are at the foot of this page. When the valve cover gasket leaks oil, it drips on the exhaust manifold. …