QuestionI have a 88 mercedes 300e with a s-6 and when at idle i get no heat, even though the blower is working,same with the air, but when driving down the road the functions properly,,,,,any help would be great thanks
AnswerHere is the best data I could gather for you.
You may want to join Tech Help:
http://www.mercedesshop.com/shopforum/forumdisplay.php?f=1
if you plan to DIY this repair.
87 300E climate control
http://www.mercedesshop.com/shopforum/showthread.php?p=158789#post158789
Any of these units could be your issue:
#1. Temperature Sensor - above mirror in roof
Sampler Blower Motor - For Temperature Sensor, Draws air from a specific location in vehicle, and relays information to Climate Control Unit.
#2. ACC Mono Valve
#3. Auxiliary Water Pump
#4. Climate Control Unit roughly $314.39 USD
PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1988 Mercedes Benz 300E
Part: ACC Mono Valve
Note: Heater Valve
With heating water feed in top of heater core. Electromagnetic heater valve.
Year: -3/1990
R3022-11894 ACC Mono Valve IN STOCK $146.02
http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=merc...
PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1988 Mercedes Benz 300E
Part: Auxiliary Water Pump
Note:
Chassis: -B 527022
G3050-13421 Auxiliary Water Pump Bosch IN STOCK $160.17
http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=merc...
Vehicle: 1988 Mercedes Benz 300E
Part: Climate Control Unit
-------------------------
Climate Control Unit
Remanufactured
Push-button assembly
Chassis: -A-573501
-------------------------
Climate Control Unit
Rebuilt : Fahrenheit
Push-button assembly
Calibrated in Fahrenheit. Chassis: A-573502-
--------------------------
Climate Control Unit
Rebuilt : Celsius
Push-button assembly
Calibrated in Celsius. Chassis: A-573502-
http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=merc...
