Mercedes-Benz's Port Injector Testing, Cleaning, and Resealing Service

Optimize your Mercedes-Benz’s performance with our Port Injector Testing, Cleaning, and Resealing Service, designed for convenience and precision. Ship your injectors to LaCorte Automotive, and we’ll handle the rest, ensuring they’re restored to like-new condition.

What’s Included:
Comprehensive Testing:
Each injector is thoroughly tested for flow rate, spray pattern, and response time using advanced equipment to diagnose any issues.

Professional Cleaning:
Ultrasonic cleaning removes stubborn carbon deposits and impurities, restoring optimal injector performance.

High-Quality Resealing:
Injectors are resealed with premium-grade materials to ensure reliability and prevent leaks.

Detailed Spec Sheet:
Receive a complete performance report with before-and-after metrics, including flow rates and spray patterns.

How It Works:
Ship Your Injectors to Us: Follow our shipping instructions to send your injectors safely to our facility.

We Test, Clean, and Reseal: Our expert technicians restore your injectors and prepare them for peak performance.

We Ship Them Back: Your injectors, along with the detailed spec sheet, are returned ready to install.

Mercedes-Benz Engines with Port Fuel Injection (EFI / MPI / CIS-E / KE-Jetronic)

4-Cylinder Engines
M102 2.0L–2.3L EFI (190E, W201)
M111 1.8L–2.3L MPI (C180, C200, E200, SLK230)
M115 / M121 Carb > EFI conversions (W114/W115 classics)
M166 / M166 EVO (A-Class W168)

6-Cylinder Engines
M103 3.0L EFI (300E, 300CE, 300TE – W124/W126)
M104 2.8L–3.2L EFI (E280, E320, S320, SL320 – W124/W140/R129)
M112 2.4L–3.7L EFI (C240, E320, ML320, CLK320, SLK320)
M110 2.8L DOHC EFI or KE-Jetronic (280E, 280CE – W123/W126)
M130 2.8L EFI (280SE – classic mechanical injection)

8-Cylinder Engines
M116 3.5L–4.5L EFI (350SE, 450SEL, R107 SL)
M117 5.0L–5.6L EFI (500SEC, 560SEL, 500SL – W126/R107)
M119 4.2L–5.0L EFI (400E, 500E, S500, SL500 – W124/W140/R129)
M113 4.3L–5.4L EFI (E430, S430, CLK430, E55 AMG, ML55 AMG)

12-Cylinder Engines
M120 6.0L V12 EFI (600SEL, S600, SL600 – W140/R129)
M137 5.8L V12 EFI (S600, CL600 – early 2000s)

High-Performance AMG & Motorsport
M113K 5.4L Supercharged EFI (E55 AMG, CLS55 AMG, SL55 AMG)
M119.974 6.0L AMG (500E 6.0 AMG, limited production cars)
Pre-merger AMG builds based on M103, M104, M117, M119 (W124, W126, R129 AMG cars)

Diesel Engines (Mechanical Injection — Not supported in this service)
For OM615, OM617, OM603 mechanical diesels, use our diesel-specific injector rebuild service.

Restore lost power, eliminate misfires, and enhance fuel efficiency with our professional injector service. Contact us today for shipping instructions and to schedule your service.