Product: Side Marker Lamp — Fits CClass W204 (2008–2011) Key benefits Direct fit for CClass W204 2008–2011: Designed to match the original side marker location and electrical connection for these model years. Please verify your vehicle model before . Reliable replacement for the factory lamp: Replaces the original side marker using the same function and mounting points. Builtin CANbus controller: Integrates with the vehicle's onboard computer to prevent warning lights or error messages. Brighter, safer illumination: Superbright LED bulbs provide a stronger, more noticeable light source than the original bulb, improving visibility to other drivers and helping reduce the risk of side collisions. Simple installation: Installation is straightforward. No instruction manual is included. Features and performance Function: Side marker lamp that signals vehicle presence and improves lateral visibility. Compatibility: Specifically for CClass W204 model years 2008–2011. Confirm fitment before ordering. Performance: output LEDs deliver greater brightness and fast turnon compared with incandescent markers, increasing visibility in lowlight and daytime conditions. Electrical: Builtin CANbus controller prevents onboard computer errors commonly caused by LED replacements. Practical use scenarios Night driving on highways or rural roads: The brighter LED marker makes the vehicle more visible from the side to oncoming traffic and overtaking vehicles. Lane changes and turns in urban traffic: Enhanced side illumination helps other drivers and pedestrians notice your vehicle sooner when changing lanes or signaling turns. Lowlight parking and curbside visibility: Improves the vehicle's visibility when parked on streets or in poorly lit areas, reducing the chance of accidental contact. Notes Confirm compatibility with your CClass W204 (2008–2011) before . Instruction sheet is not included; professional installation is recommended if you are not familiar with automotive lighting replacement.