fits e.g. Mercedes-Benz Slk (R170) (please check exact vehicle application) HELLA fuel pumps ensure a reliable supply of fuel to the engine, while having a ideal pumping capacity with a very low energy consumption. HELLA fuel pumps undergo rigorous stress tests during development and production: tested across a wide range of temperature and humidity conditions to ensure superior performance in any conditions. Plug and play full assembly product, that servs as an 1:1 replacement for the original part. Robust design, incorporating ideal quality materials to meet the highest production standards and ensuring the performance across the whole lifespan of the product Mounting instructions are available in the box. Always check the fuel system, before installing the enhanced pump.