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
Reading · RG1-RG31 · FBS3 · FBS4 · Mobile ///
Mercedes Key Replacement Reading. From £229.
Mobile Mercedes keys cut and programmed at your driveway across Reading. FBS3 and FBS4 all done on-site.
30-min response
West London
Fully insured
Public & PI
Non-destructive
Industry standard
Dealer-level kit
AutoTuner · Autel
Fixed quotes
Before we attend
Instant Tailored Quote
Get An Instant Auto Locksmith Quote
Enter your reg & postcode. Tick any extras — we'll send a tailored quote via WhatsApp in minutes.
Which service do you need?
Bundle & save — add related services
0/600
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.
Lost or broken your Mercedes key in Reading? We cover every Mercedes from A-class through S-class plus AMG, EQ, Vito and Sprinter — FBS3 and FBS4 immobiliser systems all programmed on-site. Mobile across every RG postcode.
- Spare keys from £229
- Lost-all-keys from £349
- A, B, C, E, S, CLA, GLA, GLC, ML, Vito, Sprinter
- AMG, EQ, Maybach covered
- FBS3 / FBS4 done on the van
- Mobile to your driveway · same day
- 45-60 min to Reading from Staines HQ
- 40-50% cheaper than Mercedes dealer
- 12-month warranty
- Reading, Tilehurst, Caversham, Woodley, Earley
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 in Reading?+
Spare FBS3: £229-£329. Spare FBS4: £299-£399. Lost-all-keys: £349-£599 depending on model.
Do you cover all RG postcodes?+
Yes — RG1 to RG31 including Tilehurst, Caversham, Woodley, Earley, Burghfield.
How long from Staines to Reading?+
45-60 minutes. Same-day service in almost all cases.
FBS4 keys done on-site?+
Yes — we have full FBS4 / EZS programming on the van, no dealer recovery needed.
Cheaper than Mercedes Reading dealer?+
Yes — Mercedes dealer typically charges £600-£1,200 plus recovery. We're 40-50% cheaper.
★ 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.