Mercedes-Benz W163 stalls while driving and restarts only after cooling down
Why does a Mercedes-Benz W163 stall while driving and restart only after cooling down?
A typical cause is a sensor that tracks engine position: the crankshaft position sensor or the camshaft sensor. As the engine warms up, the faulty sensor loses its signal. A fault code may not necessarily be stored.
Where is the Mercedes-Benz W163 crankshaft sensor and is it hard to replace?
The sensor is at the rear of the engine near the transmission joint, on the driver's side. It is reached with the left front wheel removed and the inner fender liner taken off, so replacement is usually easy.
What should you take into account when replacing the Mercedes-Benz W163 sensor?
It is worth replacing the camshaft sensor connector at the same time, because it can crumble in the heat and breaks easily when unplugged. The fault should be confirmed with a diagnostic tool before replacing parts.
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