What is the difference between liqui moly 5171 and 5169? i have a mercedes 320e bluetec

It's a 2-part system - the 5169 is applied first by spray nozzle and the 5171 is applied secondly as an activator. Its used for the DPF filter. Depending on your year of E320, it may or may not have a DPF filter.

is this something you put in your gas tank or is a wash like you have to take off the filter

You have to spray into the filter directly. Look on their web site. They have instructional videos

How would i use this on my 2010 6.4 F250?

Just write in YouTube ... there is a full explanation..

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Liqui Moly 5171 Pro-Line Diesel Particulate Filter Purge (500 ml)

Product ID: 76205512

Details

Brand
Liqui Moly
Item Form
Liquid
Item Volume
500
Material Feature
Free of (GMOs)
Material Type Free
Silicone Free
Number of Items
1

⛽Optimizes fuel consumption

⚙️500 ml precision formula

🛠️No assembly, easy application

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₩63576

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Clear your DPF, clear your path to peak performance!

FUEL EFFICIENCY BOOSTER - Reduces fuel consumption by maintaining optimal exhaust flow.
PLUG PLAY CONVENIENCE - Ready-to-use 500 ml bottle with no assembly required—just pour and go.
RELIABLE DIRT SEPARATION - Ensures high-level particulate removal for longer filter life and fewer costly repairs.
COST EFFECTIVE DPF MAINTENANCE - Avoid expensive replacements with a professional-grade aftermarket solution.
UNLOCK PEAK ENGINE PERFORMANCE - Restores power by efficiently clearing clogged DPFs for smooth rides.

Liqui Moly 5171 Pro-Line Diesel Particulate Filter Purge is a 500 ml high-efficiency formula designed to unclog diesel particulate filters, enhancing engine performance and fuel economy. Easy to use with no assembly required, it offers reliable dirt separation and extends the service interval, making it a cost-effective alternative to expensive DPF replacements.

Specifications

ASIN	B00GLA9SGA
Brand	Liqui Moly
Brand Name	Liqui Moly
Contains Liquid Contents?	Yes
Customer Reviews	4.4 out of 5 stars 466 Reviews
Global Trade Identification Number	04100420051715, 04100420201127
Included Components	1 Purge
Item Form	Liquid
Item Volume	500 Millilitres
Item Weight	16.91 Ounces
Manufacturer	Liqui Moly
Material Feature	Free of genetically modified organisms (GMOs)
Material Features	Free of genetically modified organisms (GMOs)
Material Type Free	Silicone Free
Model Number	20112
Number of Items	1
Part Number	20112
Scent	Unscented
Size	500 ml (Paquete de 1)
Special Features	cleanup
Specific Uses For Product	Engine
Surface Recommendation	Metal

Reviews

C**R

30.10.2024

N**T

3.08.2025

A**Y

8.06.2023

M**I

1.01.2024

M**N

21.11.2025

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