Manufacturer Part Number: A2134300530. However, it may not fit your car due to the many differences with specification and changes on model years. The best and the easiest way to quickly check if the part is right for you is to compare part numbers.
Walker 273-20032 Exhaust Gas Temperature Sensor Fits Mercedes CLS CLS 350 CDI
Starter Battery 019 90Ah 800A CCA 12V T1 L5 Fits Mercedes CLS CLS 350 CDI
JUUDDENPARTS 2Pcs ALS395 ABS Wheel Speed Sensor, Replacement for Mercedes Benz CLS E-Class 280 300 350 500 320 CDI 350 CDI C219 55 AM.G 63 AM.G Coupe 2004-2010, Replaces 5S11043 2115401217
CONTROL UNIT LIGHTS FITS: MERCEDES-BENZ CLS 350 /CLS 63 AMG /CLS 500 /CLS 500
CONTROL UNIT LIGHTS FITS: MERCEDES-BENZ CLS SEDAN GRANDE CLS 350 /CLS 250 CDI
RELAY GLOW PLUG SYSTEM FITS: MERCEDES-BENZ CLS SEDAN GRANDE CLS 250 CDI / BLU