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Bosch 17016 - Air / Fuel Ratio Sensor
Product Overview
Ensure your Mercedes-Benz runs efficiently with the premium-quality Bosch 17016 Air / Fuel Ratio Sensor. Engineered to meet or exceed OEM standards, this oxygen sensor plays a critical role in monitoring the air-fuel mixture in your vehicle's engine, contributing to optimal performance and reduced emissions. Developed by Bosch, a trusted name in automotive components, this sensor is designed for durability and reliability, making it an ideal replacement part for your vehicle. Choose Bosch 17016 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch 17016 is equivalent to or replaces the following part numbers: 003 542 70 18, 0035427018.
Vehicle Compatibility
- Mercedes-Benz SLK55 AMG (2011–2016)
- Mercedes-Benz G550 (2011–2015)
- Mercedes-Benz C63 AMG (2011–2014)
- Mercedes-Benz S400 (2011–2013)
- Mercedes-Benz C300 (2010–2012)
- Mercedes-Benz GLK350 (2010–2012)
- Mercedes-Benz E350 (2009–2011)
- Mercedes-Benz S550 (2006–2011)
- Mercedes-Benz CLS550 (2007–2011)
- Mercedes-Benz ML350 (2006–2011)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fit™ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bosch 17016 Air / Fuel Ratio Sensor do?
The Bosch 17016 Air / Fuel Ratio Sensor measures the concentration of oxygen in the exhaust gases of your vehicle. This data is crucial for the engine control unit to adjust the air-fuel mixture for efficient combustion, which helps improve fuel efficiency and reduce harmful emissions.
How do I know if my Air / Fuel Ratio Sensor needs replacement?
Common signs of a failing oxygen sensor include poor fuel economy, engine misfires, rough idling, and the illumination of the check engine light. If you experience any of these symptoms, consider inspecting the Bosch 17016 for replacement.
Can I install the Bosch 17016 myself?
Yes, the Bosch 17016 can be installed as a DIY project, but it is important to follow safety precautions and consult a repair guide specific to your vehicle model for proper installation instructions.
What are the symptoms of a faulty Air / Fuel Ratio Sensor?
Symptoms of a faulty oxygen sensor may include decreased fuel efficiency, engine performance issues, and triggering of the check engine light. If your vehicle's check engine light is triggered, it may correspond to DTCs such as P0130, P0131, P0132, P0133, and P0134, indicating issues with the oxygen sensor circuit.
Why should I choose Bosch for my Air / Fuel Ratio Sensor needs?
Choosing Bosch ensures you receive a high-quality component that meets OEM specifications. Order Bosch 17016 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBosch
- ManufacturerBosch
- MPN17016
- Part TypeAir / Fuel Ratio Sensor
- OE Part Numbers68012050AA, 0035427018
- Cross Reference Numbers68012050AA
- FeaturesAutomotive Color / Finish : Steel
Automotive Item Weight (lbs) : 0.260145 lb
Connector Gender : Male
Connector Shape : Oblong
Grade Type : Regular
Heated : Yes
Hex Size (Oxygen Sensor) : 22 mm
Housing Material : Metal
Length (Sealing Surface To End Of Connector) : 21.3385826771654 in
Mounting Bracket Included : No
Mounting Type : Threaded
Overall Length : 22.5 in
Oxygen Sensor Type : Wide band
Prop 65 Warning Label Required? : No
Sensor Type : Heated
Terminal Gender : Male
Terminal Quantity : 6
Terminal Type : Blade
Thread Diameter : 18
Thread Size : 18
Universal Or Specific Fit : Specific
Wire Quantity : 5
Wiring Harness Included : Yes
Wiring Harness Length : 19.1732283464567
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2005 | Mercedes-Benz | SLK350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2006 | Mercedes-Benz | E350 | 4Matic (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2006 | Mercedes-Benz | E350 | Base (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2006 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2006 | Mercedes-Benz | C280 | 4Matic (3.0 V6 GAS) | Position: Upstream Right, Engine: 272.941 |
| 2006 | Mercedes-Benz | C280 | Luxury (3.0 V6 GAS) | Position: Upstream Right, Engine: 272.941 |
| 2006 | Mercedes-Benz | C350 | 4Matic (3.5 V6 GAS) | Position: Upstream Right, Engine: 272.970 |
| 2006 | Mercedes-Benz | C350 | Luxury (3.5 V6 GAS) | Position: Upstream Right, Engine: 272.970 |
| 2006 | Mercedes-Benz | C350 | Sport (3.5 V6 GAS) | Position: Upstream Right, Engine: 272.970 |
| 2006 | Mercedes-Benz | R350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2006 | Mercedes-Benz | SLK280 | Base (3.0 V6 GAS) | Position: Upstream |
| 2006 | Mercedes-Benz | SLK350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Position: Upstream, Position: Upstream Left, Engine: 273.961, Engine: 273.968 |
| 2007 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Position: Upstream, Position: Upstream Left, Engine: 273.961, Engine: 273.968 |
| 2007 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | CLS63 AMG | Base (6.3 V8 GAS) | Position: Upstream Left |
| 2007 | Mercedes-Benz | E63 AMG | Base (6.3 V8 GAS) | Position: Upstream Left |
| 2007 | Mercedes-Benz | ML63 AMG | Base (6.3 V8 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | R63 AMG | Base (6.3 V8 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | C280 | 4Matic (3.0 V6 GAS) | Position: Upstream Right, Engine: 272.941 |
| 2007 | Mercedes-Benz | C280 | Luxury (3.0 V6 GAS) | Position: Upstream Right, Engine: 272.941 |
| 2007 | Mercedes-Benz | C350 | 4Matic (3.5 V6 GAS) | Position: Upstream Right, Engine: 272.970 |
| 2007 | Mercedes-Benz | C350 | Luxury (3.5 V6 GAS) | Position: Upstream Right, Engine: 272.970 |
| 2007 | Mercedes-Benz | C350 | Sport (3.5 V6 GAS) | Position: Upstream Right, Engine: 272.970 |
| 2007 | Mercedes-Benz | E350 | 4Matic (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2007 | Mercedes-Benz | E350 | Base (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2007 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Position: Upstream, Engine: 273.960 |
| 2007 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Position: Upstream, Engine: 273.960 |
| 2007 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | R350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | ML320 | CDI (3.0 V6 DIESEL) | Position: Upstream |
| 2007 | Mercedes-Benz | SLK280 | Base (3.0 V6 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | SLK350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | CL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2007 | Mercedes-Benz | GL320 | CDI (3.0 V6 DIESEL) | Position: Upstream |
| 2008 | Mercedes-Benz | C300 | 4Matic Luxury (3.0 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | C300 | 4Matic Sport (3.0 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | C300 | Luxury (3.0 V6 FLEX) | Position: Upstream |
| 2008 | Mercedes-Benz | C300 | Sport (3.0 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | C350 | Sport (3.5 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | CL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | CLS63 AMG | Base (6.3 V8 GAS) | Position: Upstream Left |
| 2008 | Mercedes-Benz | E350 | 4Matic (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2008 | Mercedes-Benz | E350 | Base (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2008 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Position: Upstream, Engine: 273.960 |
| 2008 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Position: Upstream, Engine: 273.960 |
| 2008 | Mercedes-Benz | E63 AMG | Base (6.3 V8 GAS) | Position: Upstream Left |
| 2008 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Position: Upstream, Position: Upstream Left, Engine: 273.961, Engine: 273.968 |
| 2008 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Position: Upstream, Position: Upstream Left, Engine: 273.961, Engine: 273.968 |
| 2008 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | SLK280 | Base (3.0 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | SLK350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | ML320 | CDI (3.0 V6 DIESEL) | Position: Upstream |
| 2008 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | ML63 AMG | Base (6.3 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | R350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | R350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | GL320 | CDI (3.0 V6 DIESEL) | Position: Upstream |
| 2008 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2008 | Mercedes-Benz | C63 AMG | Base (6.3 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | SLK300 | Base (3.0 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | SLK350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | CL550 | 4Matic (5.5 V8 GAS) | Position: Upstream Left |
| 2009 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | CLS63 AMG | Base (6.3 V8 GAS) | Position: Upstream Left |
| 2009 | Mercedes-Benz | E350 | 4Matic (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2009 | Mercedes-Benz | E350 | Base (3.5 V6 GAS) | Position: Upstream, Engine: 272.964 |
| 2009 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Position: Upstream, Engine: 273.960 |
| 2009 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Position: Upstream, Engine: 273.960 |
| 2009 | Mercedes-Benz | E63 AMG | Base (6.3 V8 GAS) | Position: Upstream Left |
| 2009 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Position: Upstream, Position: Upstream Left, Engine: 273.961, Engine: 273.968 |
| 2009 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Position: Upstream, Position: Upstream Left, Engine: 273.961, Engine: 273.968 |
| 2009 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | ML63 AMG | Base (6.3 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | R350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | R350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | GL320 | Bluetec 4Matic (3.0 V6 DIESEL) | Position: Upstream |
| 2009 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | C63 AMG | Base (6.3 V8 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | C300 | 4Matic Luxury (3.0 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | C300 | 4Matic Sport (3.0 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | C300 | Luxury (3.0 V6 FLEX) | Position: Upstream |
| 2009 | Mercedes-Benz | C300 | Sport (3.0 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | C350 | Sport (3.5 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | ML350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2009 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Position: Upstream Left |
| 2010 | Mercedes-Benz | GLK350 | 4Matic (3.5 V6 GAS) | Position: Upstream |
| 2010 | Mercedes-Benz | GLK350 | Base (3.5 V6 GAS) | Position: Upstream |
| 2010 | Mercedes-Benz | E350 | 4Matic (3.5 V6 GAS) | Position: Upstream, Engine: 272.977, Engine: 272.988 |
| 2010 | Mercedes-Benz | E350 | Base (3.5 V6 GAS) | Position: Upstream, Engine: 272.977, Engine: 272.988 |
| 2010 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Position: Upstream |
| 2010 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Position: Upstream |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.
Product questions
- Jan 22, 2026, 18:24
I’m looking for bank 2 sensor 1 air fuel ratio sensor. I see there are two different options listed and it seems like the main difference is the length of the wiring. Which one is correct for bank 2?
Jan 23, 2026, 04:51Hello Kenneth,
Please let us know what car you have (VIN number) so we can offer the correct one.
Thank you for your assistance.














