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Your Vehicle 1981 Mercedes Benz 300CD Base Coupe 123.153 L5 3.0L

1981 Mercedes Benz 300CD Base Coupe 123.153 L5 3.0L Engine Service & Maintenance Parts

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ES#4381727 - 29505KT - Octanium Unleaded - Octanium Unleaded is formulated to provide the biggest octane boost  up to 7 numbers.
Safe for Catalytic converters and emissions equipment. - VP Racing Fuels - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Octanium Unleaded is formulated to provide the biggest octane boost – up to 7 numbers. Safe for Catalytic converters and emissions equipment. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
VP Racing Fuels - Corporate Logo
ES#:
4381727
Mfg#:
29505KT
Ships in 5 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3448116 - 2044 - Touring High Tech Diesel Engine Oil (15w-40) - 5 Liter - All-year oil designed especially for diesel engines - Liqui-Moly - Mercedes Benz

All-year oil designed especially for diesel engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3448116
Mfg#:
2044
In Stock at Vendor
2% off MSRP

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

$58.99

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

$57.99 USD
Free Shipping
ES#3676652 - 0020940404 - Engine Air Filter - Priced Each - Filters the air before it enters your engine - Hengst - Mercedes Benz
ECS Tuning recommends this product.

Filters the air before it enters your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3676652
Mfg#:
0020940404
In Stock at Vendor
ON SALE!
$46.99

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

$43.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2626365 - 57703 - Pig Mat And Dispenser Combo Pack - Includes a three pack of 60 sheet Pig Mat rolls and a free magnetic dispenser! - New Pig - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes a three pack of 60 sheet Pig Mat rolls and a free magnetic dispenser! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
New Pig - Corporate Logo
ES#:
2626365
Mfg#:
57703
Ships in 4 Business Days
$86.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2142836 - ZXG051 - Coolant/Antifreeze - 1 Gallon - Can be used in place of many "factory approved" coolants - Zerex - Mercedes Benz MINI

Can be used in place of many "factory approved" coolants affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
2142836
Mfg#:
ZXG051
In Stock at Vendor
$28.99

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

$27.99 USD
Free Shipping
on orders $49 and up
ES#5374159 - 20020-0010-99 - Hightec SYNTH RS SAE 0W-40 - 1 Liter - High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO). - ROWE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Meets Mercedes-Benz Specification 229.3

Brand:
ROWE - Corporate Logo
ES#:
5374159
Mfg#:
20020-0010-99
Ships in 7 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
ES#4137423 - CL-1 - ITG Foam Air Filter Cleaning Fluid CL1 - Used to clean the filter - ITG Air Filters  - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Used to clean the filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ITG Air Filters  - Corporate Logo
ES#:
4137423
Mfg#:
CL-1
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4609123 - 38560 - Stanadyne Lubricity Fuel Additive - 16oz - Ideal for very dry or "winter blend" fuels such as #1 diesel - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Ideal for very dry or "winter blend" fuels such as #1 diesel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Stanadyne - Corporate Logo
ES#:
4609123
Mfg#:
38560
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
ES#1897108 - 11104 - Engine Oil (0w-40) - 1 Quart - A fully synthetic ester formula that offers excellent wear protection across a wide range of operating conditions - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A fully synthetic ester formula that offers excellent wear protection across a wide range of operating conditions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
1897108
Mfg#:
11104
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
ES#4424159 - CTA4326 - 6pc. Oil Filter Wrench Kit With Stand - 6-piece oil filter wrench set with stable, secure and permanent stand. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

6-piece oil filter wrench set with stable, secure and permanent stand. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4424159
Mfg#:
CTA4326
In Stock
$149.99 USD
Free Shipping
on orders $49 and up
ES#4883029 - 101-0258 - Replacement Fuel Filter Element - Dual Open 6 Micron - Filter for Inline Fuel Filter AN8 Single In/Out unit - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Filter for Inline Fuel Filter AN8 Single In/Out unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883029
Mfg#:
101-0258
Ships in 7 Business Days
$52.99

This product was last offered at the strikethrough price on
01-22-2026

$49.99 USD
Free Shipping
on orders $49 and up
ES#3999018 - 20252 - Complete Diesel System Cleaner - 500ml / 16.9oz - Don't let today's pump fuel kill your diesel's injection system - Treats up to 25 Gallons of Diesel - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Don't let today's pump fuel kill your diesel's injection system - Treats up to 25 Gallons of Diesel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3999018
Mfg#:
20252
In Stock at Vendor
30% off MSRP

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

$22.95

This product was last offered at the strikethrough price on
05-03-2026

$15.99 USD
Free Shipping
on orders $49 and up
ES#4907861 - 2044204 - Touring High Tech Diesel Specialoil (15w-40) - 5 Liter - Mineral based all-season motor oil, ideal for high mileage diesel vehicles - Liqui-Moly - Mercedes Benz

Mineral based all-season motor oil, ideal for high mileage diesel vehicles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4907861
Mfg#:
2044204
Ships on Jun 30, 2026
$34.99 USD
Free Shipping
on orders $49 and up
ES#3612639 - 0001802509KT4 - W123 & W126 Diesel Oil Change Kit 15w-40 - Everything you need to perform an engine oil service - Shell - Mercedes Benz

Everything you need to perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Shell - Corporate Logo
ES#:
3612639
Mfg#:
0001802509KT4
Ships in 1-2 days
$139.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3610441 - 0001802509KT3 - W123 & W126 Diesel Oil Change Kit 15w-40 - Everything you need to perform an engine oil service - Liqui-Moly - Mercedes Benz

Everything you need to perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3610441
Mfg#:
0001802509KT3
Ships in 1-2 days
ON SALE!
$147.30

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

$136.74 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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

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