Locked out at 11pm near Heathrow. They were with me in 25 minutes, no damage, cheaper than the dealer quoted. Genuine lifesavers.
James M.
Hounslow · Emergency Unlock
London-wide · FBS3 · FBS4 · IR · Smart Key · AMG · EQ · Sprinter ///
Mercedes Key Replacement London. From £240.
Mobile Mercedes key replacement across Central, West, North-West London and the City. Every chassis from W203 to current S-class, plus AMG, EQ EV and Sprinter/Vito commercial.
30-min response
West London
Fully insured
Public & PI
Non-destructive
Industry standard
Dealer-level kit
AutoTuner · Autel
Fixed quotes
Before we attend
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Fixed price confirmed before we attend · No-damage entry · Dealer-grade key programming
No spam · No obligation · Fixed pricing confirmed before we attend
Professional. Mobile. Trusted.
StageMyCar covers every London postcode for Mercedes key replacement — FBS3 IR keys on older W203, W211, W164 and Vito (£240-£320), and FBS4 smart keys on W205, W213, X253, X167 and current Sprinter (£320-£480). Dealer pricing in London routinely exceeds £600-£950 — even more for AMG and EQ models. We attend driveways in Hampstead, underground bays in Mayfair, City of London office car parks, Canary Wharf reserved bays, and every postcode from W1 to NW10. Engineers carry dealer-grade FBS4 hardware and OEM-spec blanks for every generation.
- Central London — Mayfair, Kensington, Chelsea
- West London — Chiswick, Acton, Hammersmith
- North-West London — Wembley, Harrow, Hampstead
- The City & Canary Wharf by arrangement
- FBS3 IR keys (W211 / W164 / W203 / Vito) — £240+
- FBS4 smart keys (W205 / W213 / X253) — £320+
- Sprinter W906 / W907 commercial keys
- AMG / EQ EV smart keys
- All-keys-lost on site, dealer-grade hardware
- 12-month warranty · fully insured
Payment Assist · Official Partner
Spread the Cost with Payment Assist
On selected services over £250, you can split the total into 3 or 4 monthly payments with 0% APR available. A small deposit is paid on the day, then the remaining balance is collected in equal monthly instalments. No long forms, no waiting — applied on site before work begins.
- 0% APR available on selected services
- 3 or 4 equal monthly payments
- Deposit paid on the day
- Soft credit check — no impact at quote stage
- Decision in minutes, on site
- Available on jobs over £250
Finance subject to status and approval and provided by Payment Assist Ltd, authorised and regulated by the Financial Conduct Authority. 0% APR available on selected services. Terms, eligibility and final monthly figure confirmed at application. StageMyCar UK is an introducer appointed representative — we do not charge a fee for this service.
Example · Illustrative
£480 ECU Remap · 0% APR
3 payments
£120/mo
£120 deposit
4 payments
£96/mo
£96 deposit
Authorised & regulated by the FCA
Decision in minutes — apply on site
Subject to status & approval
Indicative example only. Final terms confirmed at application.
Frequently Asked Questions
How much is a Mercedes key replacement in London?+
From £240 (older FBS3 IR key — W203, W211, W164, Vito). FBS4 smart keys (W205, W213, X253, X167, current Sprinter) from £320-£480. Typically 50-60% less than a London Mercedes dealer.
Which Mercedes models do you cover?+
Every model from W203 C-class through to current S-class, plus AMG, EQ EV, Sprinter, Vito and V-Class commercial.
Where in London?+
Central, West, North-West and East London — including Mayfair, Kensington, Chelsea, Notting Hill, Chiswick, Acton, Wembley, Harrow, the City and Canary Wharf.
All-keys-lost on FBS4?+
Yes — handled on site with dealer-grade hardware. Typically 120-180 mins. Saves the £700-£950 dealer alternative.
Will it affect my warranty?+
No — adding or replacing a key uses the same security path Mercedes dealers use. No DTCs, no modules altered.
Guarantee?+
12-month parts and labour, fully insured, 36 verified 5-star Google reviews.
★ 5.0 / 5 · 36 Google reviews
Trusted by drivers across West London
StageMyCar UK is a mobile auto locksmith and ECU specialist serving West London, the M4 corridor, Heathrow, Slough, Reading and surrounding areas. Fixed-price quotes, DBS-checked engineers, fully insured, 7 days a week. Call 07312 826380 for an instant quote.