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1978 Mercedes Benz 300SD Base Sedan 116.120 L5 3.0L

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Your Vehicle 1978 Mercedes Benz 300SD Base Sedan 116.120 L5 3.0L
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1978 Mercedes Benz 300SD Base Sedan 116.120 L5 3.0L Service & Maintenance Parts

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Stanadyne Diesel Injector Cleaner Fuel Additive - 16oz

ES#4609126 - 43564 - Stanadyne Diesel Injector Cleaner Fuel Additive - 16oz - Formulated to prevent and eliminate Internal Diesel Injector Deposits commonly found in Common Rail and other types of injectors - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Formulated to prevent and eliminate Internal Diesel Injector Deposits commonly found in Common Rail and other types of injectors

Brand:
Stanadyne - Corporate Logo
ES#:
4609126
Mfg#:
43564
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up

Diesel Engine Treatment - 6-9 Quart Capacity

ES#3619900 - D8RVS - Diesel Engine Treatment - 6-9 Quart Capacity - A triboceramic treatment to restore and protect metal surfaces inside the engine - RVS Technology - Audi BMW Volkswagen Mercedes Benz Porsche

A triboceramic treatment to restore and protect metal surfaces inside the engine

Brand:
RVS Technology - Corporate Logo
ES#:
3619900
Mfg#:
D8RVS
Ships in 2 Business Days
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stanadyne Performance All Season Fuel Additive - 16oz

ES#4609124 - 38565 - Stanadyne Performance All Season Fuel Additive - 16oz - Protects your diesel engine and restores engine performance. Includes cold weather protection. - Stanadyne - Audi BMW Volkswagen Mercedes Benz Porsche

Protects your diesel engine and restores engine performance. Includes cold weather protection.

Brand:
Stanadyne - Corporate Logo
ES#:
4609124
Mfg#:
38565
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up

Glow Plug - Priced Each

ES#2992298 - 0001598301 - Glow Plug - Priced Each - Duraterm Glow Plug - Bosch - Mercedes Benz

Duraterm Glow Plug 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Eng: 12-014182-

Brand:
Bosch - Corporate Logo
ES#:
2992298
Mfg#:
0001598301
In Stock at Vendor
$22.90

This product was last offered at the strikethrough price on
02-14-2026

$15.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Line Fuel Filter - Priced Each

ES#1612440 - 0014776601 - In-Line Fuel Filter - Priced Each - With brass inserts - Genuine Mercedes Benz - Mercedes Benz

With brass inserts

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1612440
Mfg#:
0014776601
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up

Sealing Washer - Priced Each

ES#4684475 - 7603012110 - Sealing Washer - Priced Each - 12mm diameter copper crush washer - Vaico - Mercedes Benz

12mm diameter copper crush washer We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4684475
Mfg#:
7603012110
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit - Priced Each

ES#1602353 - 0001802509 - Oil Filter Kit - Priced Each - Includes all needed o-rings for installation - Genuine Mercedes Benz - Mercedes Benz

Includes all needed o-rings for installation

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1602353
Mfg#:
0001802509
Ships in 3 Business Days
9% off MSRP

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

$33.99

This product was last offered at the strikethrough price on
07-30-2026

$30.99 USD
Free Shipping
on orders $49 and up

Power Steering Fluid - Priced Each

ES#4921234 - 000989880309 - Power Steering Fluid - Priced Each - One (1) Liter Bottle - Priced Each - Genuine Mercedes Benz - Mercedes Benz

One (1) Liter Bottle - Priced Each

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4921234
Mfg#:
000989880309
In Stock
5% off MSRP

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

$20.00

This product was last offered at the strikethrough price on
07-30-2026

$18.99 USD
Free Shipping
on orders $49 and up

In-Line Fuel Filter - Priced Each

ES#8054 - 0014777901 - In-Line Fuel Filter - Priced Each - OE style with brass inserts - Hebmuller - Mercedes Benz

OE style with brass inserts

Brand:
Hebmuller - Corporate Logo
ES#:
8054
Mfg#:
0014777901
Back Ordered
$11.99 USD
Free Shipping
on orders $49 and up

Fuel Strainer

ES#1654295 - 1244700106 - Fuel Strainer - Includes new sealing o-ring - Genuine Mercedes Benz - Mercedes Benz

Includes new sealing o-ring

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1654295
Mfg#:
1244700106
Ships on Sep 11, 2026
Auto Notify
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

In-Line Fuel Filter - Priced Each

ES#2524075 - 0014777901 - In-Line Fuel Filter - Priced Each - Does not have OE style brass inserts - MTC - Mercedes Benz

Does not have OE style brass inserts

Brand:
MTC - Corporate Logo
ES#:
2524075
Mfg#:
0014777901
Ships in 5 Business Days
$1.99 USD
Free Shipping
on orders $49 and up

Hydraulic Fluid - Priced Each

ES#1609996 - 000989910310 - Hydraulic Fluid - Priced Each - One (1) Liter Container - Genuine Mercedes Benz - Mercedes Benz

One (1) Liter Container

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
1609996
Mfg#:
000989910310
Ships in 3 Business Days
4% off MSRP

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

$26.00

This product was last offered at the strikethrough price on
07-30-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit - Priced Each

ES#2747937 - 0001802509 - Oil Filter Kit - Priced Each - Includes all needed o-rings for installation - Mahle - Mercedes Benz

Includes all needed o-rings for installation

Brand:
Mahle - Corporate Logo
ES#:
2747937
Mfg#:
0001802509
In Stock at Vendor
$23.99

This product was last offered at the strikethrough price on
04-09-2026

$20.99 USD
Free Shipping
on orders $49 and up

Sealing Washer - Priced Each

ES#2723942 - 007603012110 - Sealing Washer - Priced Each - 12mm diameter copper crush washer - Victor Reinz - Mercedes Benz

12mm diameter copper crush washer

Brand:
Victor Reinz - Corporate Logo
ES#:
2723942
Mfg#:
007603012110
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit - Priced Each

ES#8052 - 6171800009 - Oil Filter Kit - Priced Each - Includes all needed o-rings for installation - Hengst - Mercedes Benz
ECS Tuning recommends this product.

Includes all needed o-rings for installation 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#:
8052
Mfg#:
6171800009
Ships in 1 day
$17.99 USD
Free Shipping
on orders $49 and up

In-Line Fuel Filter - Priced Each

ES#3676622 - 0014776401 - In-Line Fuel Filter - Priced Each - With 90 degree elbow - Hengst - Mercedes Benz
ECS Tuning recommends this product.

With 90 degree elbow 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#:
3676622
Mfg#:
0014776401
Ships in 7 Business Days
$2.34 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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Manufacturer names and/or part numbers are used only for identification purposes.

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