The part in detail:

Part B66359168 , B-Class Ribbed Mats - Beige

Type:B-Class Ribbed Mats - Beige

for manual and automatic transmission "Driver's mat including ""Mushroom-headed principle"" securing system "

The high-quality extremely durable double rep mats with non-slip back ensures total floor protection against wear & tear and dirt for your B-Class. Made specifically for the B-Class (245) only ensures it fits perfectly into every groove and curve and covers the entire footwell surface. Colour co-ordinated to match the interior of your vehicle with mushroom fitting on drivers mat to secure it in place. Set of 4 mats with Mercedes-Benz logo embossed on a small metal plate in lower left corner of front mats. Only for UK Delivery (delivered by Courier). For B-Class (W245) only. For automatic and Manual transmissions, for right hand drive vehicles 

Price: £67.99