A guide to MCC 7538: Automotive service shops (non-dealer)

Learn about MCC 7538 for auto shops, its impact, and how to verify it. Download JIM for iOS/Android. Take phone payments in seconds for a low 1.99% fee.

WRITTEN BY

Mar 25, 2026

—

2 min read time

Merchant Category Code (MCC) 7538 is a classification used by the International Organization for Standardization (ISO) to identify automotive service shops not affiliated with car dealerships. This category encompasses a wide range of transactions for businesses offering general auto repair, from routine maintenance to more complex mechanical work. The code also applies to specialty services, including body shops, automotive painters, and shops that handle upholstery or transmission repairs.

Which businesses fall under MCC 7538?

MCC 7538 applies to a broad range of automotive service establishments:

General Auto Repair Shops: These shops provide a wide array of services, from oil changes to engine diagnostics. Well-known examples include national chains like Midas and Meineke Car Care Center.
Auto Body and Paint Shops: These businesses specialize in repairing vehicle exteriors after collisions and applying fresh paint. Companies like Maaco and Caliber Collision operate under this classification.
Tire Sales and Service Centers: Establishments that focus on selling, mounting, and balancing tires use this code. Think of retailers such as Discount Tire or Les Schwab Tire Centers.
Transmission Repair Specialists: Shops dedicated to servicing and rebuilding vehicle transmissions fall into this category. AAMCO is a prominent example of a transmission-focused service center.
Automotive Glass Repair: This includes businesses that repair or replace windshields, windows, and mirrors. Safelite AutoGlass is a widely recognized company in this specific field.
Upholstery and Interior Repair: These specialty shops restore or customize a vehicle's interior, including seats, carpets, and headliners. They often operate as independent local businesses.

Business implications of MCC 7538

Payment networks including Visa, Mastercard, American Express, and Discover use MCC 7538 to categorize transactions, which affects several aspects of business operations. These networks evaluate the risk level of a business based on its MCC. For automotive shops under MCC 7538, this classification influences the interchange rates charged for processing credit card payments.

Beyond risk assessment and transaction fees, the MCC code serves other operational functions. It helps with expense management, financial analysis, and even shapes customer spending habits through reward programs. These factors demonstrate the code's broader impact on a business.

Expense tracking

Companies rely on MCC codes to automatically sort business expenses on credit card statements. For automotive services, this simplifies the process to identify and substantiate vehicle maintenance costs, which can be valuable for tax deductions related to business-use vehicles.

Financial analysis

Businesses use MCC data to analyze spending patterns with precision. By isolating transactions under MCC 7538, financial teams can track automotive repair costs, forecast future maintenance expenses, and manage departmental budgets more effectively against actual expenditures.

Compliance and auditing

Consistent application of MCC 7538 creates a clear audit trail for financial verification. This standardized data allows auditors to quickly confirm that expenses align with company policy and regulatory requirements.

Rewards and customer behavior

Credit card issuers use MCCs to determine eligibility for rewards, such as bonus points on automotive spending. This can influence a customer's choice of repair shop, as they may prefer businesses where they can maximize their card benefits.

How to verify your business's MCC

Automotive service shop owners should confirm their MCC classification to allow for proper transaction processing and avoid customer confusion regarding rewards eligibility. If you find your business is incorrectly classified, for example, an auto repair shop coded as a gas station, contact your payment processor immediately to request reclassification.

Here's how to verify if your MCC classification is set up correctly:

Contact Your Payment Processor: Your merchant services provider assigned the MCC during account setup. To verify your classification, contact their customer service team or review the details in your original merchant agreement documents.
Review Processing Statements: Your monthly merchant statements typically display the assigned MCC. Look for the four-digit code in the account information or business profile section to confirm how your transactions are categorized.
Check with Your Acquirer: The acquiring bank or financial institution that processes your payments maintains the MCC in their system. Their merchant support team can confirm your current classification upon request.
Test Transaction Method: Some merchants run a small test transaction on a personal credit card and check the statement to see how it appears. This method is less reliable than direct confirmation from your processor.

How to choose a reliable payment service provider

Your MCC 7538 classification affects interchange rates and processing requirements. Since payment processors handle these transactions differently, selecting the right one is important. Variations in pricing, settlement speeds, and support impact your bottom line. Consider the following factors when you evaluate providers for your auto shop.

Transparent pricing: A provider with a simple, flat-rate structure avoids complex interchange-plus or tiered models. The JIM tap-to-pay app for iPhone and Android charges 1.99% per transaction with no setup costs, monthly fees, or premium card surcharges, making expense forecasting straightforward.
Payment method support: Your processor should accept all major credit cards, like Visa, Mastercard, and Discover, plus digital wallets like Apple Pay and Google Pay to meet customer expectations.
Fast fund access: Quick access to funds improves cash flow. This allows you to cover immediate expenses common in auto repair, such as restocking inventory, making supplier payments, or meeting payroll without delay.
Security: Choose a processor that protects customer data with end-to-end encryption. Top providers use tokenization for every transaction, so sensitive card numbers are never stored on your device or in your system.
Reporting: Modern processors offer more than basic statements. For example, JIM's AI assistant provides sales reports and transaction history through a chat interface, which helps you monitor business performance.

Streamline payments with JIM

JIM offers automotive service shop owners a straightforward payment solution. With the JIM tap-to-pay app, you can turn your iPhone or Android phone into a payment terminal without extra hardware. JIM uses NFC technology to accept contactless payments on your device. You pay a flat 1.99% per transaction with no setup costs, monthly fees, or variable rates for premium cards.

You can also send payment links for remote work (like collecting a deposit for parts), which cost 4.99% + $0.30 per sale. After a transaction, your funds are available instantly on a JIM Visa Prepaid Card. Add this card to Apple Pay or Google Pay to use your money immediately for business purchases.

Frequently Asked Questions

Question

What is Merchant Category Code 7538?

Merchant Category Code 7538 is a four-digit classification number assigned to automotive service shops by payment networks and the ISO. It identifies transactions for general auto repair, body shops, and tire centers not affiliated with car dealerships. Payment processors use this code to set interchange fees, create financial reports, and manage cardholder reward programs.

Is Merchant Category Code 7538 high-risk?

Payment processors classify MCC 7538 as a standard-risk category. This classification stems from its moderate chargeback rates and the common card-present nature of transactions in auto repair shops. As a result, businesses under this code benefit from favorable interchange rates, unlike high-risk industries that face higher processing fees and stricter account underwriting.

Can a business have multiple MCC codes?

A merchant account typically receives one primary MCC that reflects its main business activity. However, businesses with distinctly separate revenue streams can maintain multiple merchant accounts, each with a different code. For example, a large gas station classified under MCC 5541 might also operate a full-service auto repair shop on the premises. That repair shop could have a separate merchant account with the MCC 7538 designation to categorize its distinct service transactions accurately.

What happens if my MCC code is wrong?

An incorrect MCC code creates several problems. Customers who expect credit card rewards on automotive expenses might not receive them, a factor that could influence their decision to return for future service. Your business could also face improper interchange rates, which means you either overpay on transaction fees or get unearned discounts that violate payment network rules. This misclassification ultimately affects both customer satisfaction and your financial stability.

Can merchants choose their MCC code?

Merchants do not have the freedom to choose their own MCC code. Instead, payment processors assign the classification based on a business's primary source of revenue, in accordance with ISO standards and payment network rules. If a business owner finds that their assigned code does not accurately reflect their operations, they can contact their processor to request a reclassification. This action aligns the code with the company's actual business model.

How does MCC 7538 affect my payment processing costs?

Your MCC 7538 classification directly influences the interchange rates you pay on every credit card transaction. Automotive service shops typically fall into a moderate-risk category, so their rates are lower than high-risk industries but higher than low-risk businesses like grocery stores. The exact impact on your bottom line depends on your processor's pricing model, as some pass these variable rates directly to you.

For example, an interchange-plus model means your costs fluctuate with each card type, while flat-rate processors like JIM absorb the variability and charge you a consistent fee regardless of card type.