Bosch SR0503N Starter
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Bosch
 Starter (New)

Bosch SR0503N Starter

Brand Bosch SR0503N
Voltage 12
Power Rating 2
Mounting Bolt Hole Quantity 2
Nose Cone Material Aluminum
Nose Cone Type Closed nose
Starter Rotation Clockwise
Mounting Hardware Included No
Mounting Shims Included No
Solenoid Attached Yes
Tooth Quantity 10
New Or Remanufactured New
OE Recommendation Yes
Original Equipment Manufacturer Names Bo
Product Length 9.76378 in
Starter Finish Aluminum
Product line Starter (New)
Fits Mercedes-Benz · 17 vehicles

OE recommended. New starter built for dependable replacement performance.

Aluminum nose cone. Lightweight construction with a closed nose for added protection.

Integrated solenoid. Simplifies installation with the solenoid already attached.

Cross-references 2769062400 for the same application. See all 1.

$522.56Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $522.56
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Bosch Starter for Mercedes-Benz Applications

The Bosch SR0503N is a new 12-volt starter built for select Mercedes-Benz vehicles, including E350, C350, GLK350, C300, and E300 applications. It uses a clockwise rotation, a closed aluminum nose cone, and an attached solenoid to support reliable engine cranking in daily driving conditions.

Key Features

  • 12-volt starter with 2.0 power rating
  • Clockwise starter rotation
  • Closed nose design with aluminum nose cone and aluminum finish
  • Solenoid attached for a direct replacement layout
  • 10-tooth drive gear
  • Two mounting bolt holes
  • New unit with OE recommendation

Product Line Details

Bosch Starter (New) components are part of Bosch's premium starter line, engineered and tested for consistent starting performance and dependable operation. The SR0503N follows that product line focus with OE-style construction for Mercedes-Benz starting systems.

Detailed Description

This Bosch SR0503N starter is a direct-fit electrical starting component for 2012-2016 Mercedes-Benz E350, 2013-2015 Mercedes-Benz C350, 2013-2015 Mercedes-Benz GLK350, 2013-2014 Mercedes-Benz C300, and 2013-2014 Mercedes-Benz E300 with Start/Stop Feature. It is a new starter assembly with an attached solenoid, 10-tooth drive, and aluminum nose cone construction. The OE recommendation and Bosch engineering make it a practical replacement for restoring dependable engine start performance on Mercedes-Benz E350 and related models. This part cross-references Bosch 2769062400 for the same application.

What This Starter Helps Address

  • Slow or weak engine cranking
  • No-crank conditions when the ignition is engaged
  • Intermittent starting caused by starter wear
  • Starter noise related to drive gear or internal component wear
  • Starting system failure on Mercedes-Benz E350, C350, GLK350, C300, and E300 vehicles

Installation Notes and Tips

Verify vehicle fitment by year, model, and engine configuration before installation. This starter uses two mounting bolt holes and does not include mounting hardware or shims. Confirm the clockwise rotation and 10-tooth drive match the original unit before replacement. For Mercedes-Benz E300 applications, confirm the vehicle is equipped with the Start/Stop feature listed in the fitment data.

Quality Assurance

Bosch designs, builds, and tests this starter for performance and reliability. The SR0503N is a new OE-recommended replacement starter for select Mercedes-Benz starting systems.

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
2016Mercedes-BenzE350—AWD3.5LV6—N/AStarter (New)
2015Mercedes-BenzC350—AWD3.5LV6—N/AStarter (New)
2015Mercedes-BenzE350—AWD3.5LV6—N/AStarter (New)
2015Mercedes-BenzGLK350—AWD3.5LV6—N/AStarter (New)
2014Mercedes-BenzC300——3.5LV6—N/AStarter (New)
2014Mercedes-BenzC350—AWD3.5LV6—N/AStarter (New)
2014Mercedes-BenzE300——3.5LV6—N/Awith Start/Stop Feature; Starter (New)
2014Mercedes-BenzE350—AWD3.5LV6—N/AStarter (New)
2014Mercedes-BenzGLK350—AWD3.5LV6—N/AStarter (New)
2013Mercedes-BenzC300——3.5LV6—N/AStarter (New)
2013Mercedes-BenzC350—AWD3.5LV6—N/AStarter (New)
2013Mercedes-BenzE300——3.5LV6—N/Awith Start/Stop Feature; Starter (New)
2013Mercedes-BenzE350—AWD3.5LV6—N/AStarter (New)
2013Mercedes-BenzGLK350—AWD3.5LV6—N/AStarter (New)
2012Mercedes-BenzE350—AWD3.5LV6FLEXN/AStarter (New)
2012Mercedes-BenzE350CoupeAWD3.5LV6—N/AStarter (New)
2012Mercedes-BenzE350Wagon—3.5LV6—N/AStarter (New)
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2769062400