A Practical Guide to the 2006-2016 Mercedes-Benz E350 Starter
If your E350 won't start, clicks, or cranks slowly, here's what you need to know before buying a new starter.
- Bosch and Valeo are OEM suppliers and the most reliable choice for a replacement starter.
- Before replacing the starter, inspect for oil leaks from the passenger-side valve cover, as this is a common cause of failure.
- Replacement is a difficult job, especially on 4Matic models, and is not recommended for most DIY mechanics.
- Check if your vehicle is affected by the starter current limiter recall (NHTSA 17V114000) if you have a 2015-2016 model.
Is Your E350 Starter Failing?
A no-start situation is one of the most common issues for any vehicle, but on the 2006-2016 E350, the starter can be a specific point of failure. Before you assume the worst, make sure your battery is fully charged and the terminals are clean. Many starter problems are actually due to a weak battery. If the battery is good, listen closely when you try to start the car for the following symptoms.
🎬 Watch: See and hear these 5 common starter failure symptoms.Common Failure Symptoms:
- Single Loud Click, No Crank: You turn the key, hear one sharp click from the engine bay, but the engine doesn't turn over. This often means the starter solenoid is engaging but the motor itself isn't spinning.
- Slow, Labored Cranking: The engine turns over much slower than usual, as if the battery is weak, even if it's fully charged. This can indicate high electrical resistance inside a worn-out starter motor.
- No Sound at All: If you turn the key and get complete silence (but your dashboard lights work), the issue could be the starter, the starter relay, or the ignition switch.
- Grinding or Whining Noise: A high-pitched grinding or whining sound during or after cranking can mean the starter gear is not engaging correctly with the flywheel or is failing to retract. This can cause damage to the flywheel, so it should be addressed immediately.
- Smoke or Burning Smell: Smoke from under the hood when trying to start is a critical sign. It can indicate the starter is overheating due to a short circuit or excessive cranking. Do not attempt to start the vehicle further.
Check for Oil Leaks First!
A very common cause of premature starter failure on the E350's V6 engine is an oil leak from the valve cover gaskets. The starter is located directly below the passenger-side cylinder head. Dripping oil can soak the starter, causing electrical shorts and ruining the internal components. If you replace the starter without fixing the oil leak, the new part will likely fail again.
Choosing a New Aftermarket Starter
When it comes to electrical components on a Mercedes-Benz, quality matters. Using a low-quality part can lead to repeat failures and leave you stranded again. Here’s how the available aftermarket brands generally stack up for your E350.
Tier 1: OEM & OEM-Equivalent Brands
- Bosch: As an Original Equipment Manufacturer (OEM) for Mercedes-Benz, a new Bosch starter is functionally identical to the part your car came with from the factory. They are built to high standards and are the most reliable choice for longevity.
- Valeo: Like Bosch, Valeo is another OEM supplier for Mercedes-Benz. Their quality is considered equivalent to a genuine Mercedes part and is a top-tier choice.
Tier 2: Reputable Aftermarket Brands
- Remy: Remy is a well-known brand in the aftermarket, offering both new and remanufactured starters. While generally considered a decent mid-grade option, owner experiences can be mixed, with some reporting long life and others premature failures.
Tier 3: Economy Brands
- WAI Global, BBB Industries, Vemo: These brands offer a more budget-friendly option. WAI Global promotes its parts as being tested to OEM specifications. However, user reviews for economy brands are often inconsistent. These can be a viable choice if budget is the primary concern, but they may not offer the same long-term reliability as an OEM-tier part.
Don't Forget the Starter Relay
Before replacing the entire starter, it's wise to check the starter relay. This small, inexpensive part can fail and mimic the symptoms of a bad starter, specifically a 'no-click, no-crank' situation. Consulting a diagram for your model year will show its location in the engine bay fuse box.
🎬 Watch: This diagnostic guide helps you troubleshoot a no-crank situation.Cost of Replacing an E350 Starter
The cost can vary significantly based on the part you choose and who does the work. The job is labor-intensive, which drives up the cost for professional installation.
| Item | Estimated Cost |
|---|---|
| New Aftermarket Starter | $102 - $442 |
| New OEM Starter (Bosch/Valeo/Genuine Mercedes) | $350 - $900+ |
| Shop Labor | $185 - $450 |
| Total Professional Replacement (Aftermarket Part) | $287 - $892 |
| Total Professional Replacement (OEM Part) | $535 - $1,350+ |
Frequently Asked Questions
Is there a recall on the 2006-2016 E350 starter?
Yes, there is a significant safety recall (NHTSA Campaign ID: 17V114000) for some 2015-2017 models, which may include late-production 2015-2016 E350s. The issue involves a starter current limiter that can overheat during repeated start attempts, creating a fire risk. The fix is a free dealer-installed fuse. You should contact a Mercedes-Benz dealer with your VIN to see if your vehicle is affected and if the recall work has been performed.
Can I replace the starter myself?
This is a difficult job for a DIY mechanic. The starter is located in a very tight space on the passenger side of the engine. On 4Matic (AWD) models, the job is even harder and may require removing exhaust components. Special tools like E-Torx sockets (E14) are required. If you are not an experienced mechanic with the right tools and a vehicle lift, this job is best left to a professional.
Is the starter different for 4Matic (AWD) vs. RWD models?
While the starter part itself is often the same, the replacement procedure is more complex on 4Matic models due to the front axle and other drivetrain components obstructing access. This can increase labor time and cost. Always confirm the part fitment for your specific drivetrain when ordering.
My car has an ECO Start/Stop function. Does it use a different starter?
Yes, vehicles equipped with the ECO Start/Stop feature often use a more robust, heavy-duty starter designed for the increased number of start cycles. It is critical to purchase the correct starter for your vehicle's specific options. Using a standard starter on a car with ECO Start/Stop will lead to very rapid failure.
Helpful Videos
Technical Specifications
OEM Part Numbers: A0061510501 0061510501 A0061515901 0061515901 A2769062500 2769062500 A2769062400 2769062400
The 2006-2016 E350 uses a 12V starter with a clockwise rotation. Power ratings are typically between 1.1kW and 1.4kW. The specific part number varies between the W211 (2006-2009) and W212 (2010-2016) generations, and also depends on options like the ECO Start/Stop function. Always verify the correct part number with your vehicle's VIN before ordering.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Mercedes-Benz E350:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your E350 Starter Failing?
- Common Failure Symptoms:
- Check for Oil Leaks First!
- Choosing a New Aftermarket Starter
- Tier 1: OEM & OEM-Equivalent Brands
- Tier 2: Reputable Aftermarket Brands
- Tier 3: Economy Brands
- Don't Forget the Starter Relay
- Cost of Replacing an E350 Starter
- Frequently Asked Questions
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