VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
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Fast Response Locksmith

2007 Mercedes-Benz S-Class
Key Replacement - Save vs Dealer in Ventura County

Fast Response | 15-25 Min Arrival

Available
2007 Mercedes-Benz S-Class Remote Head Key
Remote Head Key

Time matters when you need a car key. Our technicians are dispatched quickly with everything needed to cut and program your replacement key on the spot. No delays, no runaround.

CA BSIS LICENSE LCO#6792
15-25 Min Arrival Key Done Fast No Waiting Days
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Stranded without a 2007 Mercedes-Benz S-Class key? EZ Car Keyz Santa Barbara CA can help
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Stranded without a 2007 Mercedes-Benz S-Class key? EZ Car Keyz Santa Barbara CA can help
Key specialists
15-25 Min Arrival
Our mobile unit is dispatched immediately
Fixed pricing
No Appointment Needed
Walk-up service available 7 days a week
Fast mobile service
Quick Turnaround
Most keys completed in under 45 minutes on-site
805 Special
10% OFFCODE:EZ-805-2026

🔥 Same-day key and a discount 🔥

Fast service plus instant discount
REDEEM (805) 790-8162

2007 Mercedes-Benz S-Class
Key Options

Dealer-grade key for a fair, honest price

Remote Head Key
Most popular Mercedes-Benz key typeMost Popular
2007 Mercedes-Benz S-Class Remote Head Key IYZ-3312
FCC IDIYZ-3312Part #5WK47283Buttons4BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Emergency 2007 Mercedes-Benz S-Class key fob made from scratch by EZ Car Keyz Santa Barbara CA
Skip the Dealer Markup
Professional key, honest rate
Emergency 2007 Mercedes-Benz S-Class key fob made from scratch by EZ Car Keyz Santa Barbara CA
🔧 PRO TIP
The 2007 S-Class (W221) runs Mercedes FBS3 infrared key security. Your chrome SmartKey is typically the IYZ-3312 or KR55WK49031, both using an HU64 emergency blade and a single CR2025. The key talks to the EIS/EZS (Electronic Ignition Switch, module A2215451508 on most W221 builds). If the dash throws "Key not recognized" or the steering lock motor grinds without releasing, don't assume the worst. A dying CR2025 can mimic an EIS failure. Swap the battery first, then call.
Related services: Ignition Repair · Smart Key

One Hour vs One Week

Time is money - see why customers skip the dealer

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
Back on the road before the dealer even calls back
Book Service (805) 790-8162

2007 Mercedes-Benz S-Class Remote Head Key Replacement - Fast, Affordable & Professional

Got a call from someone near the Santa Barbara Museum of Art in Santa Barbara. Both keys to his 2007 S-Class were gone. Not stolen, just lost somewhere between a weekend trip and unpacking. He'd already called the dealer and got the rundown: tow it in, wait for a key to be ordered, come back in a week or two.

He did not like that plan.

I pulled up, opened the W221 without a mark using standard locksmith entry, and got to work on the EIS. The FBS3 system on these cars stores key data in the EZS module, so I connected through the OBD port, read the EIS, and wiped the old key slots. Cut a fresh HU64 blade on the portable machine right on the sidewalk, then wrote the new infrared key data to an open slot.

The part people don't expect is how quiet the moment is. You turn the key, the steering lock motor clicks and releases, the dash lights sweep, and it starts. He just stood there watching the tach settle at idle like he forgot what his own car sounded like.

Programmed a second key while I was there because I always push for a spare on these. All-keys-lost on a W221 twice is a headache nobody needs. He drove off, no tow truck involved, no week-long wait, for a fraction of what the dealer quoted him.

Save vs the Dealer on Your Mercedes-Benz S-Class Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (805) 790-8162 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Downtown Santa Barbara · Eastside Sb · Funk Zone · Hope Ranch

Mercedes-Benz S-Class Rapid Response, Done Right

Rapid response in the field

All keys lost service for 2007 Mercedes-Benz S-Class by EZ Car Keyz Santa Barbara CA
Remote Head Key | Rapid On-Site Service
2007 Mercedes-Benz S-Class | Ventura County
All keys lost service for 2007 Mercedes-Benz S-Class by EZ Car Keyz Santa Barbara CA
2007 Mercedes-Benz S-Class Remote Head Key
2007 Mercedes-Benz S-Class
Remote Head Key | Done in Minutes
Estimated arrival time to Santa Barbara
Fast Dispatch
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
Rapid Service Zone
805 Area
Same-Day Keys (805) 790-8162

Five Stars for Speed

Fast keys, happy customers

T
Tommy M.
Dec 2023
★★★★★

“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”

Yelp Review
A
Alexx C.
Dec 2025
★★★★★

“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”

Google Review
M
Mark F.
Feb 2024
★★★★★

“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”

Yelp Review
Watch real savings, real jobs62KFollowers
Locked out rescue review for 2007 Mercedes-Benz S-Class - EZ Car Keyz Santa Barbara CA
“Real savings, real reviews.”
Locked out rescue review for 2007 Mercedes-Benz S-Class - EZ Car Keyz Santa Barbara CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Mercedes-Benz S-Class Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to replace my 2007 Mercedes-Benz S-Class key?
Call a mobile locksmith before you call the dealer. Mercedes dealers typically quote high for a single W221 SmartKey, and that's before they add the programming appointment, diagnostic fee, and whatever the parts counter marks up on the chrome fob. With me, I come to you in Santa Barbara, cut the HU64 blade on site, program the IYZ-3312 through the OBD port, and test every function before I leave. No tow, no second visit, no separate line items for the shell, blade, and programming. You'll save a good chunk going this route.
How much more does all-keys-lost cost compared to adding a spare key?
Do aftermarket keys work on a 2007 Mercedes S-Class?
My W221 shows "Steering lock defective" and won't start. Is that the key or the car?
Can I start my 2007 S-Class with the emergency blade if the SmartKey battery dies?
Questions? Call (805) 790-8162

Mercedes-Benz S-Class Key Service Areas

Same-day dispatch across the region

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Lockout rescue coverage for 2007 Mercedes-Benz S-Class in Ventura County CA
Lockout rescue coverage for 2007 Mercedes-Benz S-Class in Ventura County CA
Stranded in Ventura County? We respond fast

Don’t see your city? Call us - we likely cover your area too!

SOS Call (805) 790-8162
Filmed on Location
Mercedes-Benz S-Class car key replacement video
113K+ Chose EZ Car Keyz

Get Your Mercedes-Benz S-Class Key Replaced Fast

Don't wait days at the dealer. We get you back on the road today. Available 7 days a week.

Locked out of your 2007 Mercedes-Benz S-Class? Get help from EZ Car Keyz Santa Barbara CA
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Available 6AM - 11:30PM | 7 Days a Week
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Car Key
Ventura County