Symptoms
ABS Brake Light stays on. This can often be accompanied by poor starting in 300SL’s.

Vehicle affected

SL107 (280sl, 300sl, 350sl, 380sl, 420sl, 450sl, 500sl, 560sl)
This problem is especially common on 300SL’s.

Diagnosis

• This is generally due to a dirty or faulty ABS sensor
• Damaged and corroded sensor cable.

300sl only -You find that your ABS light is on or will not go out in conjunction with poor starting. This is a common problem, that we have seen enough to be able to rectify it quickly and inexpensively.

The Cure

After testing various relays and the ABS ECU, clean or replace the offending cable or sensor.

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