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Mercedes-Benz Specialist
Mercedes-Benz Key Programming — EIS, Add Key & All Keys Lost
Mercedes EIS key programming, add-key, all-keys-lost and ESL emulator work. Postal service UK-wide, mobile service across Wolverhampton and the West Midlands.
Add Key — what we need
- EIS (ignition switch)
- One existing working key
- Optional blade cutting to your lock code
All Keys Lost — what we need
- FBS4 (W205+, W213+, W222+, W447, VS30): EIS + engine ECU
- FBS3 / early (W202–W212): EIS only
- V5C and photo ID for ownership proof
ESL / steering-lock emulator
- Optional add-on to any key job — £100 inline
- Standalone fitting £180 (part + labour + coding)
- Solves the classic 'key won't turn / no crank' steering-lock failure
Postal & mobile
- Postal service UK-wide — send the EIS (and ECU on FBS4)
- Mobile service across the West Midlands
- Tracked return post, coding and testing included
Mercedes key programming prices
| Service | Price | What's needed |
|---|---|---|
| Add Key (postal, including blade cutting) | £180 | EIS + one working key required |
| Add Key (postal, no blade cutting) | £165 | Key shell / blade supplied by you |
| Second key (same visit or same postal job) | £90 | 50% discount on the add-key price |
| All Keys Lost — 1 key | £200 | EIS required; ECU also required on FBS4 |
| All Keys Lost — 2 keys | £300 | Both keys coded and tested together |
| Mobile service (West Midlands) | Location-dependent | Quoted on postcode before booking |
| ESL / steering-lock emulator — inline add-on | £100 | Added to an existing key job |
| ESL / steering-lock emulator — standalone | £180 | Part + labour + coding |
Prices are guide prices including coding and testing. Mobile visits are quoted on your postcode. Postal jobs are turned around the day the parts land wherever possible.
Wolverhampton base • West Midlands mobile • UK-wide postal
We are based in Wolverhampton and travel to Birmingham, Walsall, Dudley, West Bromwich, Cannock, Telford for mobile Mercedes key work. Anywhere else in the UK, post the modules in and we return them programmed and tested.
Choose your EIS group
MCCoding — technical reference
Immobiliser signal chain
- Sheet
- MCC-KEY-01
- Scale
- NTS
A key is only a key when every module in this chain agrees. That is what programming actually does.
Key fob & transponder: Remote buttons plus a chip that answers the car's challenge — the part that has to be married to the vehicle.
Blank keys are not keys
A cut blade opens doors. Starting the engine needs the transponder written into the car's key list.
All keys lost is a data job
With no working key we read the immobiliser data out, calculate the key, then write a fresh one in.
Spares are cheaper before the panic
Adding a spare while one key still works is a short job. Losing the last key is a much bigger one.
Coding keeps the car standard
Keys, comfort access and remote functions are coded to your build, not bodged with generic settings.
Overview
Mercedes key work is decided by the ignition switch (EIS / EZS) and the immobiliser generation behind it. FBS3 and earlier cars hold key data in the EIS, so all-keys-lost can be solved from that module alone. FBS4 cars pair the EIS with the engine ECU, so both modules are needed. We identify which applies from your registration first, tell you exactly what to remove or bring, then programme, code and test before anything goes back in the car.
What's included
- Full EIS key programming (all supported generations)
- Add-key service — EIS + one working key
- All-keys-lost — EIS, plus ECU on FBS4
- ESL / steering-lock emulator fitting
- Key blade cutting to lock code
- Second key at 50% discount
- Postal service UK-wide
- Mobile service across the West Midlands
Step-by-step
- Step 1Send your registration
We confirm the EIS group, FBS generation and whether the engine ECU is needed.
- Step 2Post the parts or book mobile
Postal UK-wide, or a mobile visit across Wolverhampton and the West Midlands.
- Step 3Programming & coding
Keys written to the EIS, ECU re-synchronised on FBS4, ESL emulator fitted if required.
- Step 4Test & return
Start, crank and remote functions tested, then tracked return post or on-site handover.
Supported vehicle brands
- W202
- W203
- W204
- W205
- W211
- W212
- W213
- W220
- W221
- W222
- Sprinter
- Vito
- Viano
- VS30
- W447
Common faults we resolve
- All keys lost — no spare available
- Key turns but the car will not crank (ESL failure)
- Only one key left and no backup
- Worn key blade or failing remote buttons
- Immobiliser warning on start
- Second-hand EIS or ECU needs pairing
Benefits
- Fixed guide prices, no call-out surprises
- FBS3 and FBS4 both covered
- Cars and vans, including fleet batches
- Existing keys keep working
- Postal turnaround usually same day parts land
- Wolverhampton base, West Midlands mobile
Pricing
Add key from £165 postal (£180 including blade cutting), second key £90, all keys lost from £200 (£300 for two keys), ESL emulator £100 as an add-on or £180 standalone. Mobile visits quoted on postcode.
Service area
Based in Wolverhampton. Mobile across the West Midlands. Modules and ECUs accepted by post UK-wide.
- Wolverhampton
- West Midlands
- Birmingham
- Walsall
- Dudley
- West Bromwich
- Cannock
- Telford
Why choose ManCarCoding
- Automotive electronics specialists — not a general garage
- Wolverhampton base, mobile across the West Midlands
- Dealer-level tooling, bench and boot-mode capability
- Backups taken before any read or write
- Written report on every diagnostic session
- Trade rates for garages and body shops
Frequently asked questions
What do you need for a Mercedes add-key service?
The EIS (Electronic Ignition Switch) and one existing working key. Blade cutting is optional and included in the £180 postal price.
What is required for Mercedes all keys lost?
On FBS4 cars (W205, W213, W222, W447, VS30 and late W204) we need the EIS and the matching engine ECU. On older FBS3 and early systems (W202 to W212) the EIS alone is enough.
How do I know if my Mercedes is FBS3 or FBS4?
As a rule, cars up to around 2009 are FBS3 or earlier, and W205 onwards are FBS4. The W204 spans both. Send us the registration and we confirm which applies before anything is removed.
What does the ESL emulator do?
It replaces a failed electronic steering lock (ELV) that stops the key turning or the car cranking. £100 as an add-on to a key job, or £180 as a standalone service including the part, labour and coding.
Do you offer a postal Mercedes key service?
Yes — UK-wide. Post the EIS (plus the ECU on FBS4 all-keys-lost jobs) and we programme, test and return them tracked.
Is the second key cheaper?
Yes. A second key coded on the same job is half price at £90.
Wolverhampton & West Midlands
Do you cover mercedes key programming in Wolverhampton?
Yes. Wolverhampton is our base. Mercedes key programming is carried out mobile at your address or at the workshop, usually same or next day.
Which areas outside Wolverhampton do you travel to?
Mobile cover across the West Midlands — Birmingham, Walsall, Dudley, West Bromwich, Cannock and Telford. Modules and ECUs are also accepted by post UK-wide.
Are you an automotive electronics specialist or a general garage?
Automotive electronics only — keys, immobilisers, ECU cloning, coding and diagnostics. No bodywork, no guesswork.