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Mercedes Benz C300 Engine Sensors

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7/8"(22mm) Flexible Oxygen Sensor Wrench

ES#240942 - FO-78 - 7/8"(22mm) Flexible Oxygen Sensor Wrench - The proper tool to remove difficult-to-reach oxygen sensors - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

The proper tool to remove difficult-to-reach oxygen sensors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240942
Mfg#:
FO-78
Ships on Dec 1, 2026
ON SALE!
$37.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Magnet - Priced Each

ES#2699766 - 2761560790 - Camshaft Adjuster Magnet - Priced Each - Two (2) to Four (4) Required Per Vehicle based on engine. Includes new seal. - Genuine Mercedes Benz - Mercedes Benz

Two (2) to Four (4) Required Per Vehicle based on engine. Includes new seal.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2699766
Mfg#:
2761560790
In Stock
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$57.00

This product was last offered at the strikethrough price on
11-02-2026

$53.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport

ES#3673911 - B8800066 - Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport - Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673911
Mfg#:
B8800066
In Stock
ON SALE!
$38.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Priced Each

ES#3422819 - 2769051000 - Camshaft Position Sensor - Priced Each - Monitors camshaft location - Genuine Mercedes Benz - Mercedes Benz

Monitors camshaft location

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
3422819
Mfg#:
2769051000
In Stock
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$60.00

This product was last offered at the strikethrough price on
10-07-2026

$55.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Tool - 22mm

ES#3673912 - B8800067 - Oxygen Sensor Tool - 22mm - 1/2" Drive - 7/8" x 6" - Extra Long - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

1/2" Drive - 7/8" x 6" - Extra Long 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673912
Mfg#:
B8800067
In Stock
ON SALE!
$24.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster - Priced Each

ES#4498923 - 2721560000 - Camshaft Adjuster - Priced Each - Four (4) Required Per Engine - Genuine Mercedes Benz - Mercedes Benz

Four (4) Required Per Engine

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4498923
Mfg#:
2721560000
In Stock
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$69.00

This product was last offered at the strikethrough price on
11-02-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor Wiring Harness Protection Repair Kit

ES#4813378 - 2769051000KT - Camshaft Position Sensor Wiring Harness Protection Repair Kit - Four (4) Camshaft position sensors for M276 non-turbo, M278, M152, and M157 engine applications, camshaft sensors commonly leak oil onto the wiring harness. Includes replacement sensors and electronics spray for cleaning oil residue from harness. - Genuine Mercedes Benz - Mercedes Benz

Four (4) Camshaft position sensors for M276 non-turbo, M278, M152, and M157 engine applications, camshaft sensors commonly leak oil onto the wiring harness. Includes replacement sensors and electronics spray for cleaning oil residue from harness.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4813378
Mfg#:
2769051000KT
Ships in 3 Business Days
$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thin Wall Oxygen Sensor Socket

ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket.

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
In Stock
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plug Housing - Camshaft Position Sensor

ES#1729173 - 2035453028 - Plug Housing - Camshaft Position Sensor - Does Not Include New Pins - Genuine Mercedes Benz - Mercedes Benz

Does Not Include New Pins

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1729173
Mfg#:
2035453028
Ships in 3 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor

ES#2608984 - 2730940948 - Mass Air Flow Sensor - Measures the amount of air entering your engine - Bosch - Mercedes Benz

Measures the amount of air entering your engine We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2608984
Mfg#:
2730940948
Ships in 2 Business Days
$128.99

This product was last offered at the strikethrough price on
05-07-2026

$114.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjuster Magnet - Priced Each

ES#4845614 - 2761560790 - Camshaft Adjuster Magnet - Priced Each - Two (2) to Six (6) Required Per Vehicle based on engine - URO - Mercedes Benz

Two (2) to Six (6) Required Per Vehicle based on engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4845614
Mfg#:
2761560790
Ships in 2 Business Days
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#2593475 - 2729050043 - Camshaft Position Sensor - Includes new o-ring - Bosch - Mercedes Benz

Includes new o-ring We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2593475
Mfg#:
2729050043
Ships in 2 Business Days
$44.99

This product was last offered at the strikethrough price on
05-07-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2588275 - 0035427018 - Oxygen Sensor - Priced Each - Used in different positions on several Mercedes-Benz models - Bosch - Mercedes Benz

Used in different positions on several Mercedes-Benz models We Price Match - Give Us A Call or Chat!
With OE Connector - Five (5) Wire Sensor With 530mm Wire Length - Wide Band Air / Fuel Ratio

Brand:
Bosch - Corporate Logo
ES#:
2588275
Mfg#:
0035427018
In Stock
$207.99

This product was last offered at the strikethrough price on
05-07-2026

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2070038 - 6429050000 - Crankshaft Position Sensor - Located in the bell housing on your engine - Genuine Mercedes Benz - Mercedes Benz

Located in the bell housing on your engine

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2070038
Mfg#:
6429050000
Ships in 4 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$52.00

This product was last offered at the strikethrough price on
11-02-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor - M276 / M278 / M157

ES#2549226 - 2789050209 - Oil Level Sensor - M276 / M278 / M157 - Genuine Mercedes-Benz engine oil level sensor for the 5.5L V8 AMG engine in the 2011 to 2016 models covered on this page. Part number 278-905-02-09. - Genuine Mercedes Benz - Mercedes Benz

Genuine Mercedes-Benz engine oil level sensor for the 5.5L V8 AMG engine in the 2011 to 2016 models covered on this page. Part number 278-905-02-09.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2549226
Mfg#:
2789050209
Ships in 4 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$400.00

This product was last offered at the strikethrough price on
11-02-2026

$371.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Sensors

Random check engine light got you down? It's probably a bad sensor! We have all the electrical sensors your engine needs to send information to your ECU so everything stays happy. Find it, fix it, and replace it with our OEM sensors or save some money with quality aftermarket sensors.

Let us help you find the parts that fit your Mercedes Benz

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Manufacturer names and/or part numbers are used only for identification purposes.

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