Autobuze Mercedes Citaro Euro 4 dotate cu sistem de numarare al calatorilor au urmatoarele autobuze repartizate astfel autobazelor:
Autobaza Nordului (18 autobuze): 4600, 4601, 4605, 4606, 4607, 4608, 4612, 4613, 4614, 4615, 4619, 4620, 4621, 4623, 4624, 4625, 4626, 4651.
Autobaza Militari (13 autobuze): 4652, 4655, 4656, 4657, 4665, 4668, 4670, 4671, 4672, 4674, 4675, 4677, 4753.
Autobaza Titan (10 autobuze): 4654, 4658, 4660, 4662, 4663, 4664, 4666, 4673, 4676, 4678.
Autobaza Alexandria (15 autobuze): 4679, 4688, 4689, 4691, 4694, 4695, 4697, 4701, 4702, 4703, 4708, 4709, 4717, 4719, 4731.
Autobaza Ferentari: (10 autobuze): 4616, 4649, 4681, 4682, 4683, 4684, 4685, 4686, 4736, 4740.
Autobaza Floreasca (9 autobuze): 4602, 4603, 4604, 4609, 4610, 4611, 4617, 4618, 4622.
Autobaza Pipera (16 autobuze): 4629, 4634, 4636, 4637, 4638, 4639, 4640, 4641, 4642, 4643, 4644, 4645, 4646, 4647, 4648, 4650.
Autobaza Obregia (7 autobuze): 4627, 4628, 4630, 4631, 4632, 4633, 4635.