[Fixed] Need key code to program fob for MercedesBenz Citan 109 CDI 5

365 views - Last reply: May 22, 2025
This topic is closed for new replies.
Cosmicray
Member since May 2023 • 91 posts

How to get the factory key code for my MercedesBenz Citan 109 CDI 5 to make keys?

Posted on May 22, 2025
Adminbot
Staff Member • 1198 posts

Hello! We've developed a VIN-based tool to help you get your key code for the MercedesBenz Citan 109 CDI 5. Check it out here: VIN Key Code Generator.

Posted on May 23, 2025

Replies (5)

Quicksilver
Member • 48 posts

Exactly what I was looking for to fix my MercedesBenz Citan 109 CDI 5.

May 23, 2025 Reply
Bigfoot
Member • 93 posts

I tried this with my MercedesBenz Citan 109 CDI 5 but still no luck. Any suggestions?

May 24, 2025 Reply
Quantumfizz
Member • 52 posts

I’m in the same boat with my MercedesBenz Citan 109 CDI 5. This looks promising.

May 25, 2025 Reply
Whiterabbit
Member • 43 posts

I need this so bad for my MercedesBenz Citan 109 CDI 5. Subscribed!

May 26, 2025 Reply
Steelwolf
Member • 63 posts

Hope this method is better than the last one I tried on my MercedesBenz Citan 109 CDI 5.

May 27, 2025 Reply

Check the news !

Off-Road & 4x4 Jamboree
🚗 Local Meetup: Off-Road & 4x4 Jamboree
A casual meet for all makes and models

📍 Where: Shopping Mall Parking Lot
📅 When: May 23 @ 10AM-8PM

Event features:
Show 'n Shine | Dyno Challenge | Parts Swap

🔧 Forum Members: Let us know if you're bringing your project car! 👋

🧰 Detailing Like a Pro

👨‍🏫 Instructors:
• Master Technician Carlos Rodriguez (20+ years experience)
• Restoration Pro Alex Petrov

🔌 Hands-On Activities:
• Ceramic coating application
• 6-hour intensive training
• Personal coaching

📅 Skills Covered:
Harness installation | Fire suppression | Weight balance

🚙 May 12, 2026 at 10:00 AM (6-hour)

✨ Network with fellow gearheads during breaks!

Workshop: Detailing Like a Pro
Data Logging & Analysis Bootcamp

🏁 Data Logging & Analysis Bootcamp

🔧 Instructor: NASCAR Crew Chief Lisa Thompson

💻 Workshop Includes:
• Live dyno tuning demonstrations
• 4-hour intensive hands-on training
• Suspension geometry | Weight transfer | Damping rates

📈 Bonus: Access to tuning parameter database

⏱️ Next Session: May 3, 2026 at 10:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Insight: Suspension mods should match your intended use (street vs track)

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

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

Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Key Tip: Replace key fob batteries every 1-2 years as preventative maintenance
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Security Systems
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
Security Systems
Some systems reset by: 1) Disconnecting battery for 15+ minutes 2) Using original keys in specific sequences 3) Professional diagnostic reset. Consult your manual - procedures vary. Persistent issues may require dealer-level tools.
Key Fact: The average driver will lose 1-2 car keys during ownership

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Apr 28, 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: 830-443-7623
Transponder Key Duplication
$65+
Posted: Apr 25, 2026
Get spare keys made before you lose yours! Cuts and programs most transponder keys on the spot. Cheaper than dealerships. 15+ years experience.
Call: 358-506-4067
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: 674-521-2154
Dealer Alternative Key Service
40% Less
Posted: Apr 22, 2026
Same quality as dealership without the markup. We have the same programming tools but charge significantly less. All major European, Asian, and domestic brands.
Call: 709-671-6048
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 19, 2026

Key Fob Repair Training

by Mobile Key Tech
Solutions for when all keys are lost - from code pulling to immobilizer resets
Seminar
May 11, 2026

Immobilizer System Seminar

by VIN Decoder Pros
Step-by-step instruction for repairing common key fob issues including button and circuit problems
Seminar
Apr 30, 2026

Mobile Key Programming Clinic

by Immobilizer Experts
Hands-on experience with the newest transponder key cloning and programming equipment
Workshop
May 22, 2026

Mobile Key Programming Clinic

by VIN Decoder Pros
Hands-on experience with the newest transponder key cloning and programming equipment

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