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Remapping

Custom Tuning for All Modern Petrol and Diesel EFI Vehicles. Every Remap is a one, no off the shelf tuning!

VAG Tuning

Audi, VW, Seat, Skoda, Bentley, Lamborghini & Ducati Performance Tuning

BMW & MINI Tuning

BMW, Rolls & MINI Performance Tuning
South Wales leading Independent BMW and Mini Experts

Ford Tuning

Tuning for Ford Vehicles
Ford Custom - Ranger - ST - RS - Cosworth

Gearbox Tuning

DSG, DCT and Automatic Gearbox Tuning

Classic & Vintage Tuning

Rolling Road Tuning for Classic and Vintage Car and Vans. From Carbs to Injection Pumps we're happy to help

Motorsport Tuning

Tuning for Motorsport and Standalone ECUs

Dyno Sessions

Our braked dyno is available for Power Runs, Quarter Mile Tests and available with full datalogging capabilities for daily hire.

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  We offer a wide range of services to keep your vehicle running performing at its best
- Emission Control
  
  DPF, EGR & AdBlue Solutions
  
  DPF Removal
  
  Adblue Delete
  
  EGR Repairs
  
  CAT Deletes
- Carbon Cleaning
  
  Walnut Blasting
  
  Ultrasonic Cleaning
  
  Steam Cleaning
  
  Upgrade Fitting
  
  Motorsports Services
- Free Fault Assessment
  
  Engine Check Over
  
  Vehicle Servicing
  
  Gearbox Servicing
  
  Brake Disc Skimming
  
  Carb Servicing
- ECU Testing
  
  Injector Testing
  
  Advanced Diagnostics
  
  Coding/Programming
  
  Immobiliser Faults
  
  Engine Rebuilds
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MERCEDES-BENZ

Select a model series

44 available

MERCEDES-BENZ A / A BERLINE 4 generations View generations
MERCEDES-BENZ AMG GT 4-DOOR COUPÉ 1 generation View generations
MERCEDES-BENZ AMG GT COUPÉ / ROADSTER 4 generations View generations
MERCEDES-BENZ B-CLASS 3 generations View generations
MERCEDES-BENZ C-CLASS 6 generations View generations
MERCEDES-BENZ CITAN 3 generations View generations
MERCEDES-BENZ CL 3 generations View generations
MERCEDES-BENZ CLA 5 generations View generations
MERCEDES-BENZ CLA EQ 1 generation View generations
MERCEDES-BENZ CLC 1 generation View generations
MERCEDES-BENZ CLE 1 generation View generations
MERCEDES-BENZ CLK 1 generation View generations
MERCEDES-BENZ CLS 5 generations View generations
MERCEDES-BENZ E / E COUPÉ / ALL TERRAIN 7 generations View generations
MERCEDES-BENZ EQA 1 generation View generations
MERCEDES-BENZ EQB 1 generation View generations
MERCEDES-BENZ EQC 1 generation View generations
MERCEDES-BENZ EQE 1 generation View generations
MERCEDES-BENZ EQS 2 generations View generations
MERCEDES-BENZ EQT 1 generation View generations
MERCEDES-BENZ EQV 1 generation View generations
MERCEDES-BENZ G-CLASS 3 generations View generations
MERCEDES-BENZ GL 2 generations View generations
MERCEDES-BENZ GLA 4 generations View generations
MERCEDES-BENZ GLB 3 generations View generations
MERCEDES-BENZ GLB EQ 1 generation View generations
MERCEDES-BENZ GLC / GLC COUPÉ 3 generations View generations
MERCEDES-BENZ GLC EQ 1 generation View generations
MERCEDES-BENZ GLE / GLE COUPÉ 3 generations View generations
MERCEDES-BENZ GLK 2 generations View generations
MERCEDES-BENZ GLS 3 generations View generations
MERCEDES-BENZ MAYBACH 3 generations View generations
MERCEDES-BENZ ML 4 generations View generations
MERCEDES-BENZ R 1 generation View generations
MERCEDES-BENZ S-CLASS 5 generations View generations
MERCEDES-BENZ SL 4 generations View generations
MERCEDES-BENZ SLC 1 generation View generations
MERCEDES-BENZ SLK 2 generations View generations
MERCEDES-BENZ SPRINTER 5 generations View generations
MERCEDES-BENZ T 1 generation View generations
MERCEDES-BENZ V 3 generations View generations
MERCEDES-BENZ VIANO 1 generation View generations
MERCEDES-BENZ VITO 5 generations View generations
MERCEDES-BENZ X 1 generation View generations

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All Our Services
DPF Diagnostics
DPF Delete Wales
AdBlue Diagnostics
AdBlue Delete Wales
EGR Diagnostics
O2 Sensor Deletes
Walnut Blasting
ECU Testing and Repairs

Latest News

Audi TT 177HP > 254HP No "tested on another car" or "dyno developed" o...
BMW TCM Software Update Customer requested we flash their gearbox to t...
Adblue Light? DPF or EGR Issue? Come for a Free Code Scan and Assessme...
81HP Gain with our Custom Dyno Created Stage 1 tune for this Mini Copp...
𝗖𝗜𝗧𝗥𝗢𝗘𝗡 𝗥𝗘𝗟𝗔𝗬 𝗜𝗡 𝗟𝗜𝗠𝗣 𝗠𝗢𝗗𝗘 - 𝗕𝗔𝗗 𝗧𝗨𝗡𝗘 𝗘�...
VW Caddy - Custom Dyno Stage 1 £100 Off - Never a better time to get a...
Just for fun, whom can tell me what make and model of car this engine...
𝗠𝗜𝗡𝗜 𝗥𝟱𝟲 𝗖𝗢𝗢𝗣𝗘𝗥 𝗦 • 𝗦𝗧𝗔𝗚𝗘 𝟯 • 𝟯𝟬𝟱𝗛𝗣 𝗥𝗔𝗖𝗘...
𝗠𝗘𝗥𝗖𝗘𝗗𝗘𝗦 𝗖𝟰𝟯 𝗔𝗠𝗚 • 𝟰𝟭𝟵𝗛𝗣 Not bad at all if we do sa...
Porsche Custom Stage 1 and Adblue/SCR Off Why settle for an off the sh...

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Technical Resources

Technical Resources for Tuners
DTC Error Codes
HP Calculators
Pressure Calculators
MAF Tester
FRF and SGO to BIN Converter
File Service

Common Issues

BMW N55 Issues
VAG 2.0 TFSI Issues

More Articles

The Benefits of Upgrading an Intercooler on a Diesel Engine
Tuned in Rhondda or South Wales and the Car Doesn't Feel Right?
VW CAY 1.6 TDI Engines
Why VW GDI Injectors Go Bad
Why is Llandow Tuning the Best Tuning Centre in Wales?
DPF Tuning, Exhaust Temperatures and Why Bad Diesel Mapping Destroys Engines
BootMod3, MHD and Off-the-Shelf BMW Tuning
Bridgend Tuning
What is an O2/Lambda Sensor?
The Risks of Mobile Tuners

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© 2026 Llandow Tuning Ltd - Llandow Tuning and Jorgensen Tuning are trading styles of Llandow Tuning Ltd.

Llandow Tuning specialises in vehicle modifications. Our work often involves altering a vehicle from its factory specifications, typically for motorsport or fast road use.
All modifications and tuning are carried out at the owner's risk. Customers should fully understand and accept these risks before work begins.
Dyno and rolling road use is at the owner's risk. Any damage caused to the dyno, dyno cell, or due to fluid spills must be paid for before the vehicle is released.
It is the customer's responsibility to ensure the vehicle is ready for tuning/dyno time and free from fluid leaks unless otherwise agreed in writing beforehand.
GDPR Policy - All work is conducted under the assumption that the customer has read and agreed to our Terms and Conditions and reviewed our FAQ section, which addresses the most common queries.