Is there a pre heater on a Mercedes Benz W124 300D?
They are for a 6 cylinder diesel but are still relevant. The w124, at least 90 – 93 have a diesel fuel pre-heater. It’s also present on, at least some, of the w126 from the 80s. I do not recall it on my w123.
How is a coolant heater used in a car?
The heater draws in cold engine coolant, then heats it and pumps it back to the vehicle‘s engine and HVAC system. In extreme climates, you can use this heater with additional accessories to warm the fuel and keep it from gelling. Heat output range: 45,000 – 104,000 BTU/h (13.1 – 30.0 kW)
Which is the best coolant heater on the market?
Fuel saving and low energy consumption make a valuable contribution to both cost-savings and environmental protection. The Webasto DBW Series features the most robust heaters on the market. The heater draws in cold engine coolant, then heats it and pumps it back to the vehicle‘s engine and HVAC system.
How does a fuel pre heater on a Mercedes work?
There seem to be two components. On the driver side of the block, below the IP is a thermostat. It diverts fuel that is below 25 C to a heat exchanger. If the fuel is already warmer than 25 C it is not heated. I have two questions –
They are for a 6 cylinder diesel but are still relevant. The w124, at least 90 – 93 have a diesel fuel pre-heater. It’s also present on, at least some, of the w126 from the 80s. I do not recall it on my w123.
How much does it cost to repair a Mercedes 300D?
Plan on spending about $500 if the cruise control isn’t working correctly. Also, be aware that they require valve adjustments every 15K miles (about $150 each). Expect to spend in the $5-10K range for a good driver (not a show car), and don’t be surprised if it costs you about $1000 per year for the usual “old car nits.”
There seem to be two components. On the driver side of the block, below the IP is a thermostat. It diverts fuel that is below 25 C to a heat exchanger. If the fuel is already warmer than 25 C it is not heated. I have two questions –
What should I know about my Mercedes 300D?
Good compression is paramount on a diesel engine. These cars use vacuum extensively. The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off. Fortunately the vacuum system is (relatively) easy to diagnose and repair.