ar2000z9274ab

Testing and repair work: Passenger cars: Engine cooling system

Type ar · topic 20.00 · version 2004 · 2020-07-07

Applies to: ENGINE 274

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.00 General

Also applies to engines/gearboxes: 274 ***

AR20.00-Z-9274AB

Testing and repair work: Passenger cars: Engine cooling system

07.07.2020

ENGINE

274

Drain/fill coolant of auxiliary circuit

Engine 274.9 in model 167

AR20.00-P-0010MRM

Drain/fill high-voltage battery cooling system coolant

Engine 274.9 in model 213.050/053/054/153/155/253

AR20.00-P-0020MRD

Remove/install high-voltage battery circuit heat exchanger

Engine 274.9 in model 253.354/954

AR20.00-P-0210LVH

Remove/install shutoff valve

Engine 264 in model 213, 238, 257 except code B01 (48V technology) Engine 274 in model 213, 238

AR20.00-P-0300MRH

Remove/install shutoff valve

ENGINE 264, 274 ...

AR20.00-P-0300MRI

Remove/install shutoff valve

Engine 274.9 in model 167

AR20.00-P-0300MRM

Inspect cooling system for leaks

ENGINE 177, 264, 274, 276, 626, 642, 651, 654, 656 ...

AR20.00-P-1010LW

Inspect cooling system for leaks

ENGINE 274 ...

AR20.00-P-1010MR

Check engine cooling system for leaktightness

Engine 264, 274 in model 167

AR20.00-P-1011MRK

Check engine cooling system for leaktightness

ENGINE 177, 264, 274, 642, 654 ...

AR20.00-P-1011OLC

Check high-voltage battery cooling system for leaktightness

Engine 274.9 in model 213.050/053/054/153/155/253

AR20.00-P-1013MRD

Drain/pour in coolant

Engine 177, 274.9, 276.8, 626, 651 in model 205 Engine 274.9, 276.8, 651 in model 253

AR20.00-P-1142LW

Drain/pour in coolant

Engine 274 in model 172, 204, 207, 212, 218

AR20.00-P-1142MR

Drain/pour in coolant

Engine 274.9 in model 167

AR20.00-P-1142MRM

Drain/fill high-voltage battery cooling system coolant

Engine 274.9 in model 253.353/354/953/954

AR20.00-P-1147LVH

Drain/fill high-voltage battery cooling system coolant

Engine 274 in model 205.047/053/054/147/247/253

AR20.00-P-1147LWH

Remove oil from cooling and heating system

Engine 274.9 in model 205, 253 Engine 651 in model 205, 253

AR20.00-P-1250OLD

Remove/install electric coolant pump of auxiliary circuit

Engine 274.9 in model 167

AR20.10-P-0003MRM

Remove/install high-voltage battery cooling system coolant pump

Engine 274.9 in model 213.050

AR20.10-P-0020MRD

Remove/install coolant pump

Engine 274 in model 204, 207

AR20.10-P-1271MR

Remove/install coolant pump

Engine 274.9 in model 213.048/049/148 Engine 274.9 in model 238.348/448

AR20.10-P-1271MRD

Remove/install coolant pump

Engine 274 in model 172

AR20.10-P-1271MRE

Remove/install coolant pump

ENGINE 274 ...

AR20.10-P-1271MRS

Remove/install coolant pump high-voltage battery circuit

Engine 274.9 in model 253.354/954

AR20.10-P-1274LVH

Remove/install electric coolant pump

ENGINE 274 ...

AR20.10-P-1281MRA

Remove/install electric coolant pump

Engine 274.9 in model 213 (except 213.048/049/148) Engine 274.9 in model 238 (except 238.348/448)

AR20.10-P-1281MRD

Remove/install electric coolant pump

Engine 274.9 in model 172

AR20.10-P-1281MRE

Remove/install electric coolant pump

Engine 274.9 in model 167

AR20.10-P-1281MRM

Remove/install coolant thermostat

ENGINE 274 in MODEL 204, 207

AR20.10-P-2460MR

Remove/install coolant thermostat

Engine 274.9 in model 205 Engine 274.9 in model 253

AR20.10-P-2460MRA

Remove/install coolant thermostat

Engine 274 in model 172

AR20.10-P-2460MRE

Remove/install coolant thermostat

ENGINE 274 in MODEL 212 without CODE 924 (Bivalent natural gas drive) ENGINE 274 in MODEL 218

AR20.10-P-2460MRS

Remove/install coolant thermostat

Engine 274.9 in model 213 Engine 274.9 in model 238

AR20.10-P-2461MRD

Remove/install coolant thermostat

Engine 274.9 in model 167

AR20.10-P-2461MRM

Remove/install coolant radiator of auxiliary circuit

Engine 274.9 in model 167

AR20.20-P-0012MRM

Remove/install high-voltage battery cooling system heat exchanger

Engine 274.9 in model 213.050

AR20.20-P-0020MRD

Remove/install high-voltage battery cooling system cooler

Engine 274.9 in model 213.050/053/054/153/155/253

AR20.20-P-0030MRD

Remove/install radiator

ENGINE 274 in MODEL 207

AR20.20-P-3865ECM

Remove/install radiator

ENGINE 274.9 in MODEL 212 with CODE 924 (Provision for natural gas operation)

AR20.20-P-3865MRC

Remove/install radiator

Engine 264, 274 in model 167

AR20.20-P-3865MRK

Remove/install radiator

Engine 274, 642, 654 in model 213

AR20.20-P-3865OLC

Remove/install radiator unit

Engine 274.9 in model 167

AR20.20-P-3871MRM

Remove/install upper radiator shutters

Engine 264, 274 in model 167 with code 9U7 (Aerodynamic measure package control code)

AR20.20-P-3882MRK

Remove/install high-voltage battery cooler

Engine 274 in model 205.047/147/247, 253.354/954

AR20.20-P-3885LWH

Remove/install coolant line

ENGINE 274 ...

AR20.20-P-7441MRA

Remove/install coolant line

Engine 274.9 in model 172

AR20.20-P-7441MRE

Remove/install coolant pipe

Engine 274.9 in model 213 (except 213.048/049/148) Engine 274.9 in model 238 (except 238.348/448)

AR20.20-P-7450MRD

Remove/install coolant pipe

Engine 274.9 in model 167

AR20.20-P-7450MRM

Remove/install high-voltage battery cooling system expansion reservoir

Engine 274.9 in model 213.050

AR20.30-P-0020MRD

Remove/install coolant expansion reservoir

Engine 264, 274 in model 167

AR20.30-P-4949MRK

Remove/install expansion reservoir

ENGINE 264, 274, 276, 642, 651, 654, 656 ...

AR20.30-P-4950LW

Remove/install high-voltage battery cooling system expansion reservoir

Engine 274.9 in model 205.047/147/247 Engine 274.9 in model 253.354/954

AR20.30-P-4953LWH

Remove/install fan unit

ENGINE 156, 271, 272, 273, 274, 276, 278, 642, 646, 651 ...

AR20.40-P-5050CW

Remove/install fan unit

ENGINE 156, 271, 272, 273, 274, 642, 651 ...

AR20.40-P-5050EW

Remove/install fan unit

Engine 274.9, 276.8, 651 in model 205

AR20.40-P-5050LWB

Remove/install fan unit

Engine 274.9 in model 167

AR20.40-P-5050MRM

Remove/install fan unit

Engine 264 in model 213 Engine 264, 274.9, 642, 654 in model 238

AR20.40-P-5050OLA

Remove/install fan unit

Engine 274.9, 276.8, 642, 651 in model 253

AR20.40-P-5050RF

Referenced documents