Seems to be the same :

TRANSVERSE CONTROL ARM. .
2004 Mercedes SLK 320 Convertible.
Fits: 170447, 170449, 170465, 170466, 202022, 202023, 202024, 202029, 202033, 208374, 20847
Stock Code 1703300207 ; 2023304207
Manufacturer Mercedes Benz
Categories Suspension, Steering and Axles
Assemblies STEERING KNUCKLE AND CONTROL ARM

Product Assemblies
Image Name Description Product Application Notes
STEERING KNUCKLE AND CONTROL ARM Models:
SLK 230 KOMPRESSOR 01-04, SLK 32 AMG KOMPRESSOR 02-04, SLK 320 01-04
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Chassis:
170449/66E, 170449/68W, 170449/68X, 170465/66E, 170465/68W, 170465/68X, 170466/66E, 170466/68W, 170466/68X
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Required: 001
BOTTOM RIGHT

Product Fitment/Applications
Mercedes C 220 Sedan 1994, 1995, 1996
Mercedes C 230 KOMPRESSOR Sedan 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Mercedes C 230 Sedan 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Mercedes C 280 Sedan 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Mercedes C 43 AMG Sedan 1998, 1999, 2000
Mercedes C36 AMG Sedan 1993, 1994, 1995, 1996, 1997