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Home >> Mercedes Benz >> 1999 >> C280 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panels - C230 & C280 >> System Tests >> Test 17: ASR Lamp Malfunction

Test 17: ASR Lamp Malfunction

Disconnect Anti-Lock Brake System (ABS) control module harness connector. See Figure . Using a jumper wire, ground terminal No. 10 at ABS control module harness connector. Start engine and let idle. If ASR indicator lamp does not illuminate, check wiring and bulb. If wiring and bulb are okay, replace electronic circuit board. If ASR indicator lamp illuminates, repair ASR system.