Notes on actual value screens - AH07.00-P-3000-02WA
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.
ME-SFI fuel injection and ignition system with hand-held tester or with STAR DIAGNOSIS
Refer to the relevant index in the appropriate Diagnosis Manual Volume 1 - 5 regarding the possible faults in the subsystem.
| HHT (HHT-WIN) actual value screen | Possible symptoms, applications or if no fault is stored regarding |
|---|---|
| Test idle speed, emissions test | Regarding engine complaints Emissions test based on alternative method |
| Test, adjust engine | Operational check Check of idle speed control subsystem |
| Engine cold start | Engine does not start Engine difficult to start |
| Engine warming-up phase | Regarding engine complaints in warming-up phase |
| Driving (testing engine output) | When roller driving on roller dynamometer or on the road Poor acceleration Poor output High fuel consumption |
| Cruise control | Regarding cruise control complaints |
| Drive authorization | Engine does not start |
| Smooth engine running | Regarding engine complaints (engine mechanical systems, engine timing) |
| Compression test | Engine vibrates Engine difficult to start Engine has blue exhaust when started Poor output |
| Tests/inspections performed | After rectifying a fault |