W203 (2000-2007)

How to Reset the Mercedes-Benz Instrument Cluster Service Reminder This guide shows how to reset the instrument cluster message that says “Service A B Exceeded by XXXXX Miles.” There are two ways to reset the service reminder interval. Use the steering wheel buttons to open the instrument cluster service menu. …

What Happened Recently, I had a check engine light for the O2 sensor on a Mercedes-Benz. The car also sounded like it had an exhaust leak. After getting the car up on the lift, I discovered that the catalytic converter was separated. I received a couple of quotes, one for …

This guide shows you how to: Replace the serpentine (Poly V) belt Replace the belt tensioner Replace the idler pulley Remove the belt as the first step for an alternator replacement or an A/C compressor job Which Engines and Models This applies to the M112 V6 and M113 V8 engines, …

Are you wondering whether your Mercedes-Benz has bad engine mounts? Here is a simple way to check whether the engine mounts are worn or damaged. A common symptom of a worn engine mount is excessive cabin vibration while the vehicle is stopped in Drive. Before You Start This procedure requires …

This video shows how to remove the steering wheel and airbag on most Mercedes-Benz cars. With the steering wheel off, the clock spring is easy to replace too; the full procedure is in our airbag, steering wheel, clock spring and turn signal switch guide. Tools Required Flathead screwdriver. Torx set. …

Early M272 engines can suffer premature wear of the balance shaft sprocket. As the sprocket teeth wear, camshaft timing can drift relative to the crankshaft, causing a check engine light, rough running, and Mercedes fault codes 1200 or 1208. A stretched timing chain can cause similar faults, but it is …

So let’s say you are driving down the road on a beautiful summer day in your Mercedes-Benz. All your windows are rolled down and the sunroof is wide open. All of a sudden: what’s that nasty smell? Quick! Close all those windows and the sunroof. As you struggle to push …

How to Open the Mercedes-Benz Hidden Menu Close the driver’s door and turn the ignition to position 1. Display the speed or outside temperature in the instrument cluster. Press the cluster reset button three times. When the service menu appears, use the steering wheel buttons to scroll through the available …