✅ Fixed
Read ABS code: right rear wheel speed sensor fault. Cleaned sensor tip and tone ring with wire brush — corrosion buildup causing false fault. Light went off after cleaning. No sensor replacement needed.
Mercedes-Benz GLC 2021 ABS warning light on
Mercedes-Benz
GLC
2021
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⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
⚠️ Drive with Caution
Safety Impact
Indirect risk — worth monitoring, not urgent
Urgency Level
🟡 Monitor Closely
Mercedes-Benz GLC 2021 ABS warning light illuminated. ABS system may not function in emergency braking. No other issues. 137024 km. This fault code is stored when the engine control unit detects a specific fault condition. Common causes include sensor failures, wiring faults, and component wear. Always read additional fault codes before replacing parts — multiple codes together provide a clearer diagnosis. Clear the code after repair and test drive to confirm the fault does not return.
🔍 Symptoms
📍 ABS warning light on
📍 Mercedes-Benz GLC
⚙️ Possible Causes
ABS warning light on
Mercedes-Benz GLC
Possible: Read ABS code: right rear wheel speed sensor fault. Cleaned sensor tip and tone ring with wire brush — corrosion buildup causing false fault. Light went off after cleaning. No sensor replacement needed.
Onarım / Çözüm
Based on 64 driver confirmations
⚠️ Yanlış Teşhis mi?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Mercedes-Benz GLC 2021 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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