[Method] Need key code to program fob for JK Motors 300SL MERC BENZ

820 views - Last reply: March 03, 2025
This topic is closed for new replies.
Alphamax
Member since April 2022 • 148 posts

Where's the key code stored on a JK Motors 300SL MERC BENZ for programming keys?

Posted on March 03, 2025
Adminbot
Staff Member • 1259 posts

Hello! We've developed a VIN-based tool to help you get your key code for the JK Motors 300SL MERC BENZ. Check it out here: VIN Key Code Generator.

Posted on March 04, 2025

Replies (3)

Ironman
Member • 5 posts

Following closely—this could be the fix I need for my JK Motors 300SL MERC BENZ.

March 04, 2025 Reply
Blackbelt
Member • 76 posts

This forum is more helpful than my dealer. Thanks from a JK Motors 300SL MERC BENZ owner.

March 05, 2025 Reply
Matrixfan
Member • 18 posts

I tried this with my JK Motors 300SL MERC BENZ but still no luck. Any suggestions?

March 06, 2025 Reply

Check the news !

Truck Nationals
🏎️ Local Meetup: Truck Nationals
A gathering for true gearheads and petrolheads

🗺️ Where: Shopping Mall Parking Lot
⏰ When: May 20 @ 10AM-7PM

Event features:
Tech Sessions | DIY Demonstrations

🔩 Forum Members: Who's going? Sound off in the comments! 👍

🔧 Performance Modding 101

👨‍🔧 Instructors:
• Restoration Pro Alex Petrov
• Paint Specialist Sarah Chen

🛠️ Hands-On Activities:
• Suspension geometry setup
• 4-hour intensive training
• Personal coaching

📝 Skills Covered:
Gear patterns | Bearing preload | Locker installation

🚗 May 10, 2026 at 9:00 AM (4-hour)

🔥 Free parts giveaway for all attendees!

Workshop: Performance Modding 101
Drivetrain Optimization Workshop

🔋 Drivetrain Optimization Workshop

🧰 Instructor: NASCAR Crew Chief Lisa Thompson

📱 Workshop Includes:
• Component selection guides
• 6-hour comprehensive hands-on training
• Turbo sizing | Intercooling | Wastegate control

📉 Bonus: 20% discount on performance parts

🔌 Next Session: May 10, 2026 at 3:00 PM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Pro Tip: Supporting mods (fuel system, cooling) are often needed for big power gains

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Lost Keys
Costs vary widely: Basic keys: $50-$150, Transponder keys: $150-$300, Smart keys/fobs: $200-$800, Dealership replacements typically cost 20-50% more than locksmiths. Emergency/lockout service adds $50-$150.
Key Tip: Newer cars often require dealer programming for first key replacement
Lost Keys
1) Contact a locksmith who specializes in automotive keys or your dealership 2) Provide proof of ownership (registration, title, ID) 3) They'll either cut new keys by code or reprogram your car's system 4) This is expensive ($200-$800) as the immobilizer may need resetting.
Key Tip: Consider key insurance for expensive smart keys
Cost & Options
You can buy fobs online, but: 1) Must match your exact model/year 2) Many still require professional programming 3) Cheap knockoffs may not work reliably. Some eBay/Amazon sellers offer programming instructions for DIY-friendly models.
Cost & Options
Some comprehensive auto policies cover key replacement, often with a deductible. Homeowner's insurance may cover keys lost away from home. Always check your policy details - coverage varies widely. Claims may increase your rates.
Cost & Options
Some comprehensive auto policies cover key replacement, often with a deductible. Homeowner's insurance may cover keys lost away from home. Always check your policy details - coverage varies widely. Claims may increase your rates.
Key Fact: Many cars can store up to 8 different key codes in memory

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Apr 26, 2026
Professional car key programming for most makes/models. We come to you! Transponder keys, fobs, and smart keys. Same-day service available. All work guaranteed.
Call: 969-517-5405
Immobilizer System Reset
$95+
Posted: May 1, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 649-203-2749
Smart Key Programming Special
$150
Posted: Apr 27, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 301-665-7614
Key Fob Case Replacement
$35
Posted: Apr 26, 2026
Cracked or damaged fob housing? We transfer your electronics to a new case. Multiple color options available. Most models in stock. 15-minute service.
Call: 456-309-6995
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 20, 2026

Lost Key Solution Roadshow

by Fob Fixers
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
May 25, 2026

Car Security Certification Course

by The Key Lab
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
May 3, 2026

Dealer-Level Programming Workshop

by The Key Lab
Comprehensive guide to troubleshooting and resetting immobilizer systems in modern vehicles
Workshop
May 18, 2026

VIN Decoding Workshop

by VIN Decoder Pros
Learn how to extract key codes from VIN numbers and decode vehicle security information

Need immediate service? Call our 24/7 hotline: 1-800-KEY-HELP

Want to list your key service? Join our provider network

Last posts on the forum