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Mercedes Benz C300 Engine Parts & Accessories

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Engine Coolant Temperature Sensor

ES#5374235 - 2219055600 - Engine Coolant Temperature Sensor - Environmental Air Catalyst Sensor on Radiator Only - Bremmen Parts - BMW Mercedes Benz MINI

Environmental Air Catalyst Sensor on Radiator Only 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374235
Mfg#:
2219055600
Ships on Feb 24, 2027
ON SALE!
$113.59 USD
Free Shipping
on orders $49 and up

M272 / M273 Intake Manifold Repair Kit - Aluminum Upgrade

ES#2966527 - 2721402401R-PRM - M272 / M273 Intake Manifold Repair Kit - Aluminum Upgrade - Repair your swirl flap actuator and lever rather than replacing your M272/M273 intake manifold! - URO Premium - Mercedes Benz

Repair your swirl flap actuator and lever rather than replacing your M272/M273 intake manifold! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
2966527
Mfg#:
2721402401R-PRM
Ships in 1 Business Day
27% off MSRP

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

$335.99

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

$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Filter Kit

ES#3618793 - 2701800109 - Engine Oil Filter Kit - Must be replaced at each oil change. For M260, M264, M270, and M274 Engines. - Hengst - Mercedes Benz
ECS Tuning recommends this product.

Must be replaced at each oil change. For M260, M264, M270, and M274 Engines. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3618793
Mfg#:
2701800109
In Stock
$12.99

This product was last offered at the strikethrough price on
06-18-2026

$12.70 USD
Free Shipping
on orders $49 and up

Weistec Mercedes-Benz M276 DE 35 NA W.2 ECU Tune

ES#4732924 - 05-276-00216-9KT - Weistec Mercedes-Benz M276 DE 35 NA W.2 ECU Tune - Increase of +38 Horsepower, and +32 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts! - Weistec - Mercedes Benz

Increase of +38 Horsepower, and +32 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!

Brand:
Weistec - Corporate Logo
ES#:
4732924
Mfg#:
05-276-00216-9KT
In Stock at Vendor
$1399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Pump

ES#4636472 - 0001405185 - Air Pump - Connects to the combination valves in the engine bay, Secondary Air Injection Pump - URO - Mercedes Benz

Connects to the combination valves in the engine bay, Secondary Air Injection Pump 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4636472
Mfg#:
0001405185
In Stock
$138.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each

ES#2609112 - 0041594903 - Spark Plug - Priced Each - Used on several Mercedes-Benz engines - Bosch - Mercedes Benz

Used on several Mercedes-Benz engines We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2609112
Mfg#:
0041594903
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose

ES#4338188 - 2101 - 12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose - ECS - Audi BMW Volkswagen Mercedes Benz

10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4338188
Mfg#:
2101
In Stock
ON SALE! SAVE 25%
$33.99

This product was last offered at the strikethrough price on
06-13-2026

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4043114 - 2742000115 - Thermostat Assembly - Keep the coolant flowing with a properly functioning thermostat - Bremmen Parts - Mercedes Benz

Keep the coolant flowing with a properly functioning thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4043114
Mfg#:
2742000115
In Stock
ON SALE! SAVE 16%
$155.99

This product was last offered at the strikethrough price on
10-08-2026

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Weistec Mercedes-Benz M276 DE 35 NA W.1 ECU Tune

ES#4732923 - 05-276-00215-8KT - Weistec Mercedes-Benz M276 DE 35 NA W.1 ECU Tune - Increase of +29 Horsepower, and +23 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications! - Weistec - Mercedes Benz

Increase of +29 Horsepower, and +23 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!

Brand:
Weistec - Corporate Logo
ES#:
4732923
Mfg#:
05-276-00215-8KT
In Stock at Vendor
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Service Kit

ES#5457249 - 256070560080KT6 - Fuel Injector Service Kit - Includes all 4 injectors with installation kits. For all M270, M274, M260, M264, M133, and M139 engine applications. - Assembled By ECS - Mercedes Benz

Includes all 4 injectors with installation kits. For all M270, M274, M260, M264, M133, and M139 engine applications. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457249
Mfg#:
256070560080KT6
In Stock at Vendor
$1309.99

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

$1248.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Service Kit

ES#4464214 - 2762001301KT - Water Pump Service Kit - Includes everything needed to replace your water pump. Price includes a $46.15 refundable core charge. - Genuine Mercedes Benz - Mercedes Benz

Includes everything needed to replace your water pump. Price includes a $46.15 refundable core charge.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4464214
Mfg#:
2762001301KT
Back Ordered
$1248.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Engine Oil Filter Kit - Priced Each

ES#2090579 - 2761800009 - Engine Oil Filter Kit - Priced Each - Includes all o-rings needed for installation. For M276 Engine applications. Some M278 Engines has mixed installation of the filter elements, check your filter prior to ordering. - Genuine Mercedes Benz - Mercedes Benz

Includes all o-rings needed for installation. For M276 Engine applications. Some M278 Engines has mixed installation of the filter elements, check your filter prior to ordering. There was mixed installation of the filter elements on this vehicle. Check the filter element in the vehicle before replacing. Also see # 278 180 00 09.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
2090579
Mfg#:
2761800009
In Stock
4% off MSRP

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

$23.50

This product was last offered at the strikethrough price on
10-05-2026

$22.50 USD
Free Shipping
on orders $49 and up

M276 Valve Cover Reseal Kit

ES#5456807 - M276RSKT - M276 Valve Cover Reseal Kit - Reseal your leaking M276 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seal. - Genuine Mercedes Benz - Mercedes Benz

Reseal your leaking M276 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seal.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
5456807
Mfg#:
M276RSKT
In Stock
$395.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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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