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Bosch SR0503X Starter Motor
Reliable Starter for Mercedes-Benz Vehicles
The Bosch Starter (Remanufactured) SR0503X is designed to provide dependable starting power for select Mercedes-Benz models. Engineered to meet original equipment specifications, this 12-volt starter ensures consistent performance for your C300, C350, E300, E350, and GLK350 vehicles.
- Voltage: 12V for standard automotive electrical systems
- Power Rating: 1.7 kW for efficient engine cranking
- Mounting Bolt Hole Quantity: 2 for secure installation
- Nose Cone Material: Aluminum with a closed nose design
- Starter Rotation: Clockwise to match OEM requirements
- Solenoid Attached for integrated operation
- Tooth Quantity: 10 for proper engagement with flywheel
- Remanufactured unit with OE recommendation
About the Bosch Starter (Remanufactured) Product Line
The Bosch Starter (Remanufactured) line offers remanufactured starters that meet original equipment manufacturer standards. These starters undergo a thorough rebuilding process to restore functionality and reliability, making them a practical replacement option for Mercedes-Benz vehicles requiring a starter that aligns with factory specifications.
Detailed Product Description
This Bosch SR0503X starter features a durable aluminum nose cone with a closed nose type, enhancing protection against environmental elements. The unit operates at 12 volts with a power rating of 1.7 kW, providing sufficient torque to crank engines efficiently. Its clockwise rotation and 10-tooth pinion gear ensure compatibility with the flywheel of Mercedes-Benz C300, C350, E300, E350, and GLK350 models. The starter includes an attached solenoid for seamless engagement but does not come with mounting hardware or shims, so these should be sourced separately if needed.
Common Applications and Issues Addressed
- Replacement for faulty or worn-out starters in Mercedes-Benz C300, C350, E300, E350, and GLK350
- Resolves engine cranking problems such as slow or no start
- Addresses starter solenoid failures with integrated solenoid design
- Fixes issues related to damaged or stripped starter teeth
- Improves starting reliability in vehicles experiencing intermittent starting difficulties
Installation Notes and Tips
- Ensure compatibility with your specific Mercedes-Benz model and engine type before installation
- Verify that mounting hardware and shims are available as they are not included
- Follow manufacturer torque specifications for the two mounting bolts to avoid damage
- Check electrical connections and battery condition to ensure optimal starter performance
Quality Assurance and Warranty
This Bosch remanufactured starter is recommended by original equipment manufacturers and undergoes rigorous testing to meet quality standards. While specific warranty details may vary, Bosch remanufactured starters typically come with a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.
| Brand | Bosch |
|---|---|
| Part Number | SR0503X |
| Position | Starter (Remanufactured) |
| Cases Per Pallet (ORLY) | 125 |
| Mounting Bolt Hole Quantity | 2 |
| Mounting Hardware Included | No |
| Mounting Shims Included | No |
| New Or Remanufactured | Remanufactured |
| Nose Cone Material | Aluminum |
| Nose Cone Type | Closed Nose |
| OE Recommendation | Yes |
| Original Equipment Manufacturer Names | BO |
| Power Rating | 1.7 |
| Solenoid Attached | Yes |
| Starter Finish | Aluminum |
| Starter Rotation | Clockwise |
| Tooth Quantity | 10 |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2016 | Mercedes-Benz | E350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2015 | Mercedes-Benz | C350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2015 | Mercedes-Benz | E350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2015 | Mercedes-Benz | GLK350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2014 | Mercedes-Benz | C300 | 3.5L | V6 | N/A | Starter (Remanufactured) | |||
| 2014 | Mercedes-Benz | C350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2014 | Mercedes-Benz | E300 | 3.5L | V6 | N/A | with Start/Stop Feature; Starter (Remanufactured) | |||
| 2014 | Mercedes-Benz | E350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2014 | Mercedes-Benz | GLK350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2013 | Mercedes-Benz | C300 | 3.5L | V6 | N/A | Starter (Remanufactured) | |||
| 2013 | Mercedes-Benz | C350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2013 | Mercedes-Benz | E300 | 3.5L | V6 | N/A | with Start/Stop Feature; Starter (Remanufactured) | |||
| 2013 | Mercedes-Benz | E350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2013 | Mercedes-Benz | GLK350 | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2012 | Mercedes-Benz | E350 | AWD | 3.5L | V6 | FLEX | N/A | Starter (Remanufactured) | |
| 2012 | Mercedes-Benz | E350 | Wagon | 3.5L | V6 | N/A | Starter (Remanufactured) | ||
| 2012 | Mercedes-Benz | E350 | Coupe | AWD | 3.5L | V6 | N/A | Starter (Remanufactured) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.