CDI engine characteristics - AH07.16-P-0001-02IA
WARNING: This page does not describe the selected car, but rather 202 other vehicles, including the 2020 Mercedes-Benz SLC300, 2020 Mercedes-Benz SL550, 2020 Mercedes-Benz SL450, 2020 Mercedes-Benz GLA250, and 2019 Mercedes-Benz SLC300. However, it is still accessible from the selected car via links, so may be relevant.
Engine 646, 647, 648
| CDI-2 | CDI-3 |
|---|---|
| -- | Quantity control valve (Y94) |
| -- | Fuel temperature sensor (B50) |
| Pneumatically controlled charge pressure control | Right electric charge pressure positioner (Y100/1) |
| Pneumatically controlled EGR valve | Left electric charge pressure positioner (Y27/9) |
| Electric heater booster (N33/2) (water circuit) | PTC heater booster (same as model 163 M-class) |
| Mechanical fuel pump | Electric fuel pump (M3) in tank |
| -- | Pressure sensor downstream of air cleaner (B28/5) |
| -- | Hot film MAF sensor with intake air temperature sensor (B2/5b1) |
| -- | Inlet port shutoff (M55) not applicable for engine 648 |
| Injection pressure max. 1350 bar | Injection pressure max. 1600 bar |
| High pressure control through pressure regulator valve (Y74) | High pressure control through flow control valve (Y94) and pressure regulator valve (Y74) |