Date registered: Jan 2004
Vehicle: '03 SL500, '03 SL55, '97 SL320, (2) '91 300SL, (2) '91 500SL, '00 S500 -- all for sale
Location: Atlanta, USA
Mentioned: 13 Post(s)
Quoted: 572 Post(s)
I don't know the cost of a replacement module. I'd take a look at the wheel speed sensor at the left-rear wheel and look for damage to the wiring. If you have the WIS you will find there are electrical tests for the sensor.