CLS C219 04-10. CLK C209 02-09. CLK Convertible A209 02-10. Item: Air Filter. Filter type:Filter Insert. Specification of this Air Filter. OE/OEM Reference Part Number:53040025. The only way to be 100% sure that the part will fit your vehicle is to check the part number (OEM Number) on your original unit matches one of the above.
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