Back to 2002 Mercedes-Benz SL

2002 MERCEDES-BENZ SL

3.0L I6RWDAUTOMATICgas
Repairs0Labor593Torque3477Fluid7DTC698Battery1Maintenance0Recalls0
P1300high severityPowertrain

Crankshaft Position Sensor Left Malfunction

on 2002 Mercedes-Benz SL 3.0L I6 · RWD

What this code means

The ECU detected a malfunction in the crankshaft position sensor on the left bank. Mercedes V-engines use dual crankshaft sensors, and this sensor provides timing information for the left cylinder bank.

Symptoms

  • Check Engine Light
  • Engine may not start
  • Rough running
  • Intermittent stalling
  • Misfires

Common causes

  • Faulty crankshaft position sensor
  • Damaged sensor wiring
  • Corroded connector
  • Tone wheel contamination or damage
  • Sensor air gap incorrect

Diagnostic steps

  1. Test sensor signal with oscilloscope
  2. Inspect sensor wiring and connector
  3. Check tone wheel condition
  4. Verify sensor air gap
  5. Swap with known-good sensor

Repair notes

Replace the crankshaft position sensor on the left bank.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →