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Your Vehicle 1978 Mercedes Benz 300CD Base Coupe 123.153 L5 3.0L

1978 Mercedes Benz 300CD Base Coupe 123.153 L5 3.0L Service & Maintenance Parts

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ES#3514662 - 2002KT - Super Diesel Additive - 300mL - Reduces wear of fuel pump while improving engine performance and emissions - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Reduces wear of fuel pump while improving engine performance and emissions 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! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514662
Mfg#:
2002KT
In Stock
ON SALE! SAVE 36%
$12.39

This product was last offered at the strikethrough price on
06-08-2026

$7.89 USD
Free Shipping
on orders $49 and up
ES#3514690 - 2032KT - Pro-Line Diesel Cleaner - 500mL - Cleans the injection system and combustion chamber while increasing cetane number - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Cleans the injection system and combustion chamber while increasing cetane number 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#:
3514690
Mfg#:
2032KT
In Stock
$17.19 USD
Free Shipping
on orders $49 and up
ES#3411516 - 2005lmKT - Diesel Purge - 500mL - Add to your fuel tank to keep your car operating flawlessly and as efficiently as possible - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Add to your fuel tank to keep your car operating flawlessly and as efficiently as possible 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! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3411516
Mfg#:
2005LMKT
In Stock
$12.25 USD
Free Shipping
on orders $49 and up
ES#2587915 - 001989680313 - Automatic Transmission Fluid - Priced Each - One (1) liter bottle which meets Mercedes specification 236.14. OEM Supplier! - Fuchs - Mercedes Benz Porsche

One (1) liter bottle which meets Mercedes specification 236.14. OEM Supplier! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuchs - Corporate Logo
ES#:
2587915
Mfg#:
001989680313
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
ES#4440225 - Q6880187 - Anti-Freeze / Coolant - 1 Gallon - Zerex G-48 Coolant - Genuine Mercedes Benz - Mercedes Benz

Zerex G-48 Coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mercedes-branded coolant is no longer available. This Zerex-branded coolant is the same coolant that is sold at the Mercedes dealer parts department.

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4440225
Mfg#:
Q6880187
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.

$29.99

This product was last offered at the strikethrough price on
02-19-2026

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3999012 - 20254 - Truck Series Diesel Performance and Protectant - 500ml / 16.9oz - Boost your cetane/performance and keep your injection system protected from today's pump fuel - Treats up to 25 Gallons of Diesel - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Boost your cetane/performance and keep your injection system protected from today's pump fuel - 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#:
3999012
Mfg#:
20254
In Stock
37% off MSRP

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

$18.95

This product was last offered at the strikethrough price on
06-11-2026

$11.99 USD
Free Shipping
on orders $49 and up
ES#2190054 - Q1460001 - Power Steering Fluid - Priced Each - One (1) Liter Bottle - Priced Each - Febi - Mercedes Benz

One (1) Liter Bottle - Priced Each affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2190054
Mfg#:
Q1460001
In Stock
$21.99

This product was last offered at the strikethrough price on
04-20-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1611411 - 0009976232 - Screw Plug - Priced Each - M24x1.5 - Genuine Mercedes Benz - Mercedes Benz

M24x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1611411
Mfg#:
0009976232
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#523284 - 001989210310 - Automatic Transmission Fluid - Priced Each - One (1) Liter Bottle - Febi - Mercedes Benz

One (1) Liter Bottle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
523284
Mfg#:
001989210310
In Stock
$18.73

This product was last offered at the strikethrough price on
03-31-2026

$17.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2764976 - MM0DP1215B - Magnetic Engine Oil Drain Plug M12x1.5 - Capture harmful particles to prevent wear - Mishimoto - Mercedes Benz MINI

Capture harmful particles to prevent wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764976
Mfg#:
MM0DP1215B
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
$46.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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#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#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
$147.30

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

$143.94 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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 Jul 8, 2026
$34.99 USD
Free Shipping
on orders $49 and up

More About Service & Maintenance Parts

Good maintenance should never be viewed as an expense. It is an investment that maintains the value and dependability of your car, extends its service life, and increases its resale value. Affordable fluids and filters are all here, with many tutorials demonstrating how easy it is to keep your car running strong.

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