<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-05-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001757715</issuerCik>
        <issuerName>Mohawk Group Holdings, Inc.</issuerName>
        <issuerTradingSymbol>MWK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001778022</rptOwnerCik>
            <rptOwnerName>Chaouat-Fix Mihal</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MOHAWK GROUP HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>37 EAST 18TH STREET, 7TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10003</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Product Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12069</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>192799</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The restricted shares of common stock were granted pursuant to the Issuer's 2019 Equity Plan (the &quot;2019 Equity Plan&quot;) due to certain forfeitures of shares previously granted pursuant to the 2019 Equity Plan to current employees of the Issuer. In the event of a forfeiture of shares granted under the 2019 Equity Plan, such shares are automatically reallocated to the remaining participants in the 2019 Equity Plan in proportion to the number of shares covered by outstanding awards granted under the 2019 Equity Plan that each such remaining participant holds.</footnote>
        <footnote id="F2">Comprised solely of shares of restricted common stock granted pursuant to the 2019 Equity Plan that are subject to vesting. The shares of restricted common stock shall vest in three equal installments on each of June 14, 2020, December 14, 2020, and June 14, 2021.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joseph A. Risico as attorney-in-fact for Mihal Chaouat-Fix</signatureName>
        <signatureDate>2020-12-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
