Compatible with Mercedes Benz A Class hatchback MK2 W169 (2004-2012) Durable material Made from high quality material with high strength and elasticity Resistant to breaking or deformation Tested for strength, durability, stone chip resistance, traffic safety, and long term durability Multifunction Improves air flow and helps reduce interior heat when parked Minimizes dirt on the side window and improves visibility Reduces wind noise for a quieter ride Blocks rain, snow, dust and mud while letting fresh air circulate Helps eliminate musty odors inside the cabin Easy to install No tools required No drilling or body damage Secures with 3M tape Prepare the window surface by cleaning dust and moisture, align, and stick Practical use scenarios Parked in hot sun to lower interior temperature Driving in rain or snow to deflect rain while maintaining ventilation In dusty or muddy environments to reduce dirt on windows and preserve visibility