Symptom Diagnostics

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Find applicable complaint that matches vehicle symptom, see the following list:

Engine starts and accelerates poorly when cold. See Fig 1.
Engine does not start. See Fig 1.
Engine has uneven idle. See Fig 1.
Engine has insufficient output. See Fig 2.
Engine runs unevenly (shakes). See Fig 2.
Engine runs unevenly (misfiring). See Fig 2.
Engine surges after cold start. See Fig 2.
Transition failure during warm up. See Fig 2.
Transition failure when warm or increased fuel consumption. See Fig 2.
Engine bucks, jerks. See Fig 3.
EA is in "limp home" mode. See Fig 3.

Fig 1: Symptom Diagnostics (1 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Symptom Diagnostics (2 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Symptom Diagnostics (3 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.