Standard Ignition ABS Wheel Speed Sensor P/N:ALS451
Keep your Mercedes-Benz anti-lock brake and traction systems reading true with the Standard Ignition ABS Wheel Speed Sensor (manufacturer part number ALS1905). Mounted at the wheel, it monitors wheel rotation speed and sends that signal to the ABS control module, which the system uses to manage braking. It's a direct-fit replacement for the listed Mercedes-Benz applications, engineered specifically for Mercedes-Benz vehicles and tested on-vehicle for proper fit and correct integration with the electronic safety systems.
Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Fits 1992-1993 Mercedes-Benz 300SD, 300SE and 600SEL; 1993 600SEC; 1996 S320, S420 and S500; 1996-1999 S600; 1998-1999 CL500, CL600 and S500; and 1999 S420 (all engine variants). See the Buyer's Guide tab for the full list. Country of origin: Germany. Manufacturer part number ALS1905.
This part cross-references / interchanges with the following part numbers:
What does the ALS1905 sensor do?
It's an ABS wheel speed sensor. Mounted at the wheel, it monitors wheel rotation speed and sends that signal to the ABS control module, which the system uses to manage anti-lock braking and traction control.
Which vehicles does this sensor fit?
It's a direct-fit replacement for listed Mercedes-Benz models including the 1992-1993 300SD/300SE/600SEL, 1993 600SEC, 1996 S320/S420/S500, 1996-1999 S600, 1998-1999 CL500/CL600/S500 and 1999 S420. See the Buyer's Guide tab.
What are signs this wheel speed sensor may need replacing?
Signs may include an illuminated ABS warning light and disabled ABS or traction control. These can have other causes, so diagnose the fault first; if this sensor is the cause, ALS1905 replaces it.
Is mounting hardware included?
No, mounting hardware is not included. Consult the vehicle service information for the correct fasteners and whether they may be reused. OE-location grommets and wire clips are included on the harness.
How long is the harness and where is it made?
The harness is approximately 50.5 in (1295 mm) long and uses OE-style sealed connectors. Country of origin: Germany.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.