Mercedes Sprinter Starter Motor – SEG | NCV3 3.0L OM642 | #000906240283 (2010–2022)

A failed starter motor on a NCV3 Sprinter means the van doesn't move — and on a commercial vehicle running a tight schedule, a no-start event is an immediate operational problem with real downstream costs. This is the SEG Automotive new starter motor for NCV3 Sprinters equipped with the 3.0L OM642 diesel engine, sold as a brand-new unit with no core charge required, a direct replacement that restores reliable high-torque engine cranking.

What This Part Does

The starter motor is an electric motor that engages the engine's flywheel ring gear via a solenoid-actuated pinion gear and cranks the engine through its compression strokes until combustion begins. On the OM642, the starter must develop sufficient torque to overcome the engine's 18.0:1 compression ratio, particularly in cold conditions when diesel fuel atomization is less efficient and oil viscosity is higher. When the starter's brushes wear, its solenoid develops intermittent contact, or its armature overheats from repeated extended cranking attempts, the motor loses cranking torque — resulting in slow cranking, a single click on the key, or a complete no-start. SEG Automotive is the former Robert Bosch Starter & Generator division, supplying OEM starters to Mercedes-Benz.

Common Symptoms of a Failing Starter Motor

• Engine cranks slowly or sluggishly, particularly when cold
• Single loud click or rapid clicking when the key is turned with no engine rotation
• Starter engages intermittently — starts on some attempts but not others
• Grinding noise during cranking from worn pinion gear engagement
• Starter runs but fails to disengage after the engine fires

When to Replace

Replace when the starter is confirmed as the fault source after ruling out the battery, battery terminals, main ground connections, and starter relay. Always load-test the battery and voltage drop-test the starter circuit before condemning the starter.

NCV3 OM642 Specific — VIN Verification Required

This starter is for NCV3 and early VS30 Sprinters equipped with the 3.0L OM642 diesel engine. Always verify your engine code and VIN before ordering. Contact us and we'll confirm fitment before you buy.

Fitment

• 2010–2018 Mercedes-Benz Sprinter 2500 / 3500 – 3.0L OM642 (NCV3/W906)
• 2010–2018 Freightliner Sprinter 2500 / 3500 – 3.0L OM642 (NCV3)
• 2019–2022 Mercedes-Benz Sprinter 2500 / 3500 – 3.0L OM642 (VS30/W907)

✔ New unit — no core charge required
✔ Always load-test battery and check ground connections before replacing the starter

Part Numbers

• Mercedes OEM: 000906240283 / A000906240283 / 000-906-24-02-83
• Manufacturer: SEG Automotive — 0 001 115 051 / SR0815N
• SKU: 000906240283