I had time on my hands so checked all three variations of the SL350.
You do need to check if both your current front and rear pads have wear sensors. The Part numbers are different for those with and without the sensor.
I'm only copying what the EPC I have says, so the anomaly I have bolded and marked with a
*
You can check yourself to confirm my findings here
Mercedes parts catalog. Spare parts catalog EPC Online.
webautocats.com
230.456 Model.
Front A 00 442 005 20 with wear sensor.
A 00 442 080 20 without sensor.
Rear A 00 542 025 20 with wear sensor
A 00 642 001 20 without sensor
230.458 Model
Front A 00 442 090 20 with wear sensor *
A 00 442 080 20 without sensor
Rear A 00 642 001 20 without sensor
230.467 Model
Front A 00 442 005 20 with wear sensor
A 00 442 090 20 without sensor *
Rear A 00 642 001 20 without sensor
If you order the pads from MB Newcastle, using your full Vin# will ensure you get the correct pads.
www.ebay.co.uk
Home page for all things to look after your car.
www.sytner.co.uk
Hope that helps.