As the name suggests, Autel MaxiScan MS300 is an economically low cost Diagnostic Scan Tool that is used as a code reader for American, European as well as Asian vehicles sold after 1996. And rightly so, this scan tool is  OBDII compliant. Autel MaxiScan MS300 scan tool offers no luxurious features and fits good for those who are on a strict budget. With a basic screen and powerful code detection unit, Autel MaxiScan MS300 can prove to be a best buy.

Who It’s For / Who Should Buy These

  • plusPassionate car owners who is looking to self-diagnose their car
  • plusCar owners whose vehicle is at least OBD-II complaint
  • plusIndividuals who loves DIY projects
  • plusNot for extreme professional use
  • plusA vehicle owner whose car is not OBD-II complaint or less will find it this scan tool a waste of money
  • plusPeople looking for only basic functionality in a scan code may opt for it


Buyer’s Guide

Why Should You Buy Autel MaxiScan MS300?

Autel MaxiScan MS300 CAN Diagnostic Scan Tool is really wonderful product to have in many ways.

  • arrow-rightHighl​y affordable: Having several functional features apart from a good user interface, this scan code tool is unbelievably affordable.
  • arrow-rightWide acceptance: Any OBD scanner has high acceptance worldwide and having Autel Maxiscan MS300 is an advantage since it is OBDII compliant.

Things To Consider

Autel Maxiscan MS300 is highly easy to use. It is equivalently safe. What a buyer must consider before buying scanner tool is check its compliance rate and acceptability worldwide. With Autel MaxiScan MS300 scoring good on this, it is recommended. Next, one should check the various technical aspects of a scanner like the protocols it follows, additional features, software updates if any, etc. With Autel MaxiScan MS300 is question, it fits the bill in most of the cases, whereas there is no software update on it. Also, being a highly affordable unit, this scan tool does not have luxurious additional features. It obeys CAN protocols and OBDII protocols.

Pricing & Purchasing Details

The scanner, given its compatibility and features is surprisingly pretty cheap. It is not going to be heavy on your pocket and is available on a number of e commerce sites including amazon and ebay. These sites provide discounts on the sites from time to time making your purchase more fruitful. This scan tool is completely affordable and is duly packed with all the necessary features.

Presenting the Product

Product Image


The Autel MaxiScan MS300 scan tool is the automotive do it yourself. The little obd2 scanner will let you read the codes collected by the computer that cause the check engine light to light up on your dashboard. This device will save you trips to the mechanic where you have to pay high fees to find out what is wrong with your vehicle. All you are required to do is follow the instructions and simply hook the machine up to the computer terminal which is under the dashboard of your vehicle.

Product Information

  • square-oBrand: Autel
  • square-oItem Weight: 8.8 ounces
  • square-oProduct Dimensions: 6.3 x 2 x 9.1 inches
  • square-oOrigin: China
  • square-oItem model number: MS300
  • square-oBatteries: Lithium ion batteries required.
  • square-oExterior: Metallic Finish
  • square-oManufacturer Part Number: MS300
  • square-oFolding: No
  • square-oVoltage: 12 volts


Features & Benefits

  • square-oClear easy-to-read LCD display
  • square-oReads & Erase any code
  • square-oHighly affordable for basic code detection and diagnosis
  • square-oCompact body design for maximum portability
  • square-oRequires no additional assembly, comes with a built-in 16-pin OBD connector
  • square-oIt will clear up the codes after scanning so that the check engine light will not be on anymore
  • square-oIt will also give you a status on your vehicle’s emission by lighting up the corresponding LED
  • square-oThe multilingual menu allows the device to be more user compatible
  • square-oThe fact that it uses the car’s electrical usage as a source of battery is beneficial in cases of long runs or drives as the user may not necessarily remember to update the batteries

Pros & Cons



  • plusDisplays error code for most of the cars that is OBD-II compliant
  • plusIt can delete/erase codes
  • minusNo real-time monitoring
  • minusNo built-in library of codes for quick search
  • minusNot possible to get a software update on this tool
  • minusDisplayed codes can not be sent for printing

Social Proof

  • chevron-rightAfter an exhaustive analysis on the reviews for this product, it was found that the majority of the user reviews were positive and the users of this product were happy after the buy. A review rating on a leading e-commerce website Amazon rates this product at 4 stars with over 5,607 user reviews on it.
  • chevron-rightIn one of the reviews, a query was put up by the user if the scan code could be used to remove airbag warning indication. While the initial response was an unfortunate no, you can alternatively use a OBD-II with SRS module to see airbag codes. WIth such a simple addition, you can save a lot of money since it is very difficult to see airbag codes on a handheld that is so affordable as this one. Autel MaxiScan MS300 is definitely a product that is worth buying. 

Alternative Choices

It isn’t necessary that you always like what you see, there could be some factor which made you dislike the product. It could be the ergonomics or some missing feature or the rate. But do not worry as here we are going to show you three more products which vary in feature and price

Alternative Choice #1:Autel AL519 OBD ll Scan Tool with Mode 6

This Autel product allows the user to use all the modes of the OBD2 test compliance. It comes with a built in speaker as well. The product comes with a patented One Click I/M button and a TFT lcd screen as well. Compared to the other products this is relatively costlier but given the features in the product it is undoubtedly worth the price.

Alternative Choice #2:Autel MaxiScan MS309 CAN OBD2 Diagnostic Scanner

This Autel product is yet another one from its line and is as good as the other. The ergonomics and features of it are similar to the rest but what makes it stand apart is the additional buttons on the device which allow for an easy navigation. It comes with a software which lets you tackle the diagnostic problems with easy solutions and allows you to save cost that way.

Alternative Choice #3:Innova 3100j Diagnostic Code Reader

The Innova 3100j Diagnostic Code Reader gives a quick diagnosis. It offers fundamental engine diagnostics, letting you easily choose it to help diagnose your engine problems. This device from Innova has simple ergonomics and quickly and efficiently diagnoses the issue and provides simple troubleshooting solutions for it.

Autel AL519 OBD ll Scan Tool

Autel MaxiScan MS309 CAN OBD2 Diagnostic Scanner

Innova 3100j Diagnostic Code Reader

Product Dimensions

70.9 x 31.5 x 102.4 inches

9.7 x 6.5 x 2.2 inches

10 x 8 x 1.5 inches


Red and White

Red and White

Green and Black


2 pounds

8.8 ounces

1.2 pounds






Autel MaxiScan MS300 is a highly compact and functional scan code reader for vehicles that are OBD-II compliant. It scans code as well as erases it when required. It is good diagnostic tool for personal vehicles. People often start worrying whenever they see that the check engine light is one and then are stuck taking rounds of the mechanic to figure out why it is on and what needs to be fixed. The scanner lets you diagnose the problem and also shows the troubleshooting steps and directions.

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